diff options
124 files changed, 933 insertions, 481 deletions
diff --git a/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt index 9e9008f8fa32..efaeec8961b6 100644 --- a/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt +++ b/Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt @@ -118,6 +118,9 @@ of the following host1x client modules: See ../reset/reset.txt for details. - reset-names: Must include the following entries: - dc + - nvidia,head: The number of the display controller head. This is used to + setup the various types of output to receive video data from the given + head. Each display controller node has a child node, named "rgb", that represents the RGB output associated with the controller. It can take the following diff --git a/Documentation/devicetree/bindings/panel/chunghwa,claa101wa01a.txt b/Documentation/devicetree/bindings/panel/chunghwa,claa101wa01a.txt new file mode 100644 index 000000000000..f24614e4d5ec --- /dev/null +++ b/Documentation/devicetree/bindings/panel/chunghwa,claa101wa01a.txt @@ -0,0 +1,7 @@ +Chunghwa Picture Tubes Ltd. 10.1" WXGA TFT LCD panel + +Required properties: +- compatible: should be "chunghwa,claa101wa01a" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/Documentation/devicetree/bindings/panel/samsung,ltn101nt05.txt b/Documentation/devicetree/bindings/panel/samsung,ltn101nt05.txt new file mode 100644 index 000000000000..ef522c6bb85f --- /dev/null +++ b/Documentation/devicetree/bindings/panel/samsung,ltn101nt05.txt @@ -0,0 +1,7 @@ +Samsung Electronics 10.1" WSVGA TFT LCD panel + +Required properties: +- compatible: should be "samsung,ltn101nt05" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/MAINTAINERS b/MAINTAINERS index 31a046213274..6a6e4ac72287 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9231,6 +9231,7 @@ F: include/media/videobuf2-* VIRTIO CONSOLE DRIVER M: Amit Shah <amit.shah@redhat.com> +L: virtio-dev@lists.oasis-open.org L: virtualization@lists.linux-foundation.org S: Maintained F: drivers/char/virtio_console.c @@ -9240,6 +9241,7 @@ F: include/uapi/linux/virtio_console.h VIRTIO CORE, NET AND BLOCK DRIVERS M: Rusty Russell <rusty@rustcorp.com.au> M: "Michael S. Tsirkin" <mst@redhat.com> +L: virtio-dev@lists.oasis-open.org L: virtualization@lists.linux-foundation.org S: Maintained F: drivers/virtio/ @@ -9252,6 +9254,7 @@ F: include/uapi/linux/virtio_*.h VIRTIO HOST (VHOST) M: "Michael S. Tsirkin" <mst@redhat.com> L: kvm@vger.kernel.org +L: virtio-dev@lists.oasis-open.org L: virtualization@lists.linux-foundation.org L: netdev@vger.kernel.org S: Maintained @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 13 SUBLEVEL = 0 -EXTRAVERSION = -rc8 +EXTRAVERSION = NAME = One Giant Leap for Frogkind # *DOCUMENTATION* diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 739c3dfc1da2..34d5fd585bbb 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -171,7 +171,7 @@ void __init arm_dt_init_cpu_maps(void) bool arch_match_cpu_phys_id(int cpu, u64 phys_id) { - return (phys_id & MPIDR_HWID_BITMASK) == cpu_logical_map(cpu); + return phys_id == cpu_logical_map(cpu); } static const void * __init arch_get_next_mach(const char *const **match) diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c index d85055cd24ba..20d553c9f5e2 100644 --- a/arch/arm/kernel/perf_event_cpu.c +++ b/arch/arm/kernel/perf_event_cpu.c @@ -254,7 +254,7 @@ static int probe_current_pmu(struct arm_pmu *pmu) static int cpu_pmu_device_probe(struct platform_device *pdev) { const struct of_device_id *of_id; - int (*init_fn)(struct arm_pmu *); + const int (*init_fn)(struct arm_pmu *); struct device_node *node = pdev->dev.of_node; struct arm_pmu *pmu; int ret = -ENODEV; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 6eda3bf85c52..4636d56af2db 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -431,9 +431,10 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) instr2 = __mem_to_opcode_thumb16(instr2); instr = __opcode_thumb32_compose(instr, instr2); } - } else if (get_user(instr, (u32 __user *)pc)) { + } else { + if (get_user(instr, (u32 __user *)pc)) + goto die_sig; instr = __mem_to_opcode_arm(instr); - goto die_sig; } if (call_undef_hook(regs, instr) == 0) diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index bd3bf66ce344..c7de89b263dd 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -53,6 +53,7 @@ static void __init highbank_scu_map_io(void) static void highbank_l2x0_disable(void) { + outer_flush_all(); /* Disable PL310 L2 Cache controller */ highbank_smc1(0x102, 0x0); } diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index b39efd46abf9..c0ab9b26be3d 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -162,6 +162,7 @@ void __iomem *omap4_get_l2cache_base(void) static void omap4_l2x0_disable(void) { + outer_flush_all(); /* Disable PL310 L2 Cache controller */ omap_smc1(0x102, 0x0); } diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 1f7b19a47060..3e8f106ee5fe 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -229,7 +229,7 @@ void __init setup_dma_zone(const struct machine_desc *mdesc) #ifdef CONFIG_ZONE_DMA if (mdesc->dma_zone_size) { arm_dma_zone_size = mdesc->dma_zone_size; - arm_dma_limit = __pv_phys_offset + arm_dma_zone_size - 1; + arm_dma_limit = PHYS_OFFSET + arm_dma_zone_size - 1; } else arm_dma_limit = 0xffffffff; arm_dma_pfn_limit = arm_dma_limit >> PAGE_SHIFT; diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 9ed155ad0f97..271b5e971568 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -641,10 +641,10 @@ load_ind: emit(ARM_MUL(r_A, r_A, r_X), ctx); break; case BPF_S_ALU_DIV_K: - /* current k == reciprocal_value(userspace k) */ + if (k == 1) + break; emit_mov_i(r_scratch, k, ctx); - /* A = top 32 bits of the product */ - emit(ARM_UMULL(r_scratch, r_A, r_A, r_scratch), ctx); + emit_udiv(r_A, r_A, r_scratch, ctx); break; case BPF_S_ALU_DIV_X: update_on_xread(ctx); diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 572769727227..4cc813eddacb 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -229,7 +229,7 @@ extern void __iomem *__ioremap(phys_addr_t phys_addr, size_t size, pgprot_t prot extern void __iounmap(volatile void __iomem *addr); extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size); -#define PROT_DEFAULT (pgprot_default | PTE_DIRTY) +#define PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_DIRTY) #define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRE)) #define PROT_NORMAL_NC (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL_NC)) #define PROT_NORMAL (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL)) diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h index c75025f27c20..06b9bc7ea14b 100644 --- a/arch/mips/include/asm/cacheops.h +++ b/arch/mips/include/asm/cacheops.h @@ -83,6 +83,6 @@ /* * Loongson2-specific cacheops */ -#define Hit_Invalidate_I_Loongson23 0x00 +#define Hit_Invalidate_I_Loongson2 0x00 #endif /* __ASM_CACHEOPS_H */ diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h index 34d1a1917125..c84caddb8bde 100644 --- a/arch/mips/include/asm/r4kcache.h +++ b/arch/mips/include/asm/r4kcache.h @@ -165,7 +165,7 @@ static inline void flush_icache_line(unsigned long addr) __iflush_prologue switch (boot_cpu_type()) { case CPU_LOONGSON2: - cache_op(Hit_Invalidate_I_Loongson23, addr); + cache_op(Hit_Invalidate_I_Loongson2, addr); break; default: @@ -219,7 +219,7 @@ static inline void protected_flush_icache_line(unsigned long addr) { switch (boot_cpu_type()) { case CPU_LOONGSON2: - protected_cache_op(Hit_Invalidate_I_Loongson23, addr); + protected_cache_op(Hit_Invalidate_I_Loongson2, addr); break; default: @@ -357,8 +357,8 @@ static inline void invalidate_tcache_page(unsigned long addr) "i" (op)); /* build blast_xxx, blast_xxx_page, blast_xxx_page_indexed */ -#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize) \ -static inline void blast_##pfx##cache##lsize(void) \ +#define __BUILD_BLAST_CACHE(pfx, desc, indexop, hitop, lsize, extra) \ +static inline void extra##blast_##pfx##cache##lsize(void) \ { \ unsigned long start = INDEX_BASE; \ unsigned long end = start + current_cpu_data.desc.waysize; \ @@ -376,7 +376,7 @@ static inline void blast_##pfx##cache##lsize(void) \ __##pfx##flush_epilogue \ } \ \ -static inline void blast_##pfx##cache##lsize##_page(unsigned long page) \ +static inline void extra##blast_##pfx##cache##lsize##_page(unsigned long page) \ { \ unsigned long start = page; \ unsigned long end = page + PAGE_SIZE; \ @@ -391,7 +391,7 @@ static inline void blast_##pfx##cache##lsize##_page(unsigned long page) \ __##pfx##flush_epilogue \ } \ \ -static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page) \ +static inline void extra##blast_##pfx##cache##lsize##_page_indexed(unsigned long page) \ { \ unsigned long indexmask = current_cpu_data.desc.waysize - 1; \ unsigned long start = INDEX_BASE + (page & indexmask); \ @@ -410,23 +410,24 @@ static inline void blast_##pfx##cache##lsize##_page_indexed(unsigned long page) __##pfx##flush_epilogue \ } -__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16) -__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16) -__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16) -__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32) -__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32) -__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32) -__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64) -__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64) -__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64) -__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128) - -__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16) -__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32) -__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16) -__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32) -__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64) -__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128) +__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 16, ) +__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 16, ) +__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 16, ) +__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 32, ) +__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 32, ) +__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I_Loongson2, 32, loongson2_) +__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 32, ) +__BUILD_BLAST_CACHE(d, dcache, Index_Writeback_Inv_D, Hit_Writeback_Inv_D, 64, ) +__BUILD_BLAST_CACHE(i, icache, Index_Invalidate_I, Hit_Invalidate_I, 64, ) +__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 64, ) +__BUILD_BLAST_CACHE(s, scache, Index_Writeback_Inv_SD, Hit_Writeback_Inv_SD, 128, ) + +__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 16, ) +__BUILD_BLAST_CACHE(inv_d, dcache, Index_Writeback_Inv_D, Hit_Invalidate_D, 32, ) +__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 16, ) +__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 32, ) +__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 64, ) +__BUILD_BLAST_CACHE(inv_s, scache, Index_Writeback_Inv_SD, Hit_Invalidate_SD, 128, ) /* build blast_xxx_range, protected_blast_xxx_range */ #define __BUILD_BLAST_CACHE_RANGE(pfx, desc, hitop, prot, extra) \ @@ -452,8 +453,8 @@ static inline void prot##extra##blast_##pfx##cache##_range(unsigned long start, __BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, protected_, ) __BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, protected_, ) __BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I, protected_, ) -__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson23, \ - protected_, loongson23_) +__BUILD_BLAST_CACHE_RANGE(i, icache, Hit_Invalidate_I_Loongson2, \ + protected_, loongson2_) __BUILD_BLAST_CACHE_RANGE(d, dcache, Hit_Writeback_Inv_D, , ) __BUILD_BLAST_CACHE_RANGE(s, scache, Hit_Writeback_Inv_SD, , ) /* blast_inv_dcache_range */ diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 62ffd20ea869..49e572d879e1 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -237,6 +237,8 @@ static void r4k_blast_icache_page_setup(void) r4k_blast_icache_page = (void *)cache_noop; else if (ic_lsize == 16) r4k_blast_icache_page = blast_icache16_page; + else if (ic_lsize == 32 && current_cpu_type() == CPU_LOONGSON2) + r4k_blast_icache_page = loongson2_blast_icache32_page; else if (ic_lsize == 32) r4k_blast_icache_page = blast_icache32_page; else if (ic_lsize == 64) @@ -261,6 +263,9 @@ static void r4k_blast_icache_page_indexed_setup(void) else if (TX49XX_ICACHE_INDEX_INV_WAR) r4k_blast_icache_page_indexed = tx49_blast_icache32_page_indexed; + else if (current_cpu_type() == CPU_LOONGSON2) + r4k_blast_icache_page_indexed = + loongson2_blast_icache32_page_indexed; else r4k_blast_icache_page_indexed = blast_icache32_page_indexed; @@ -284,6 +289,8 @@ static void r4k_blast_icache_setup(void) r4k_blast_icache = blast_r4600_v1_icache32; else if (TX49XX_ICACHE_INDEX_INV_WAR) r4k_blast_icache = tx49_blast_icache32; + else if (current_cpu_type() == CPU_LOONGSON2) + r4k_blast_icache = loongson2_blast_icache32; else r4k_blast_icache = blast_icache32; } else if (ic_lsize == 64) @@ -580,11 +587,11 @@ static inline void local_r4k_flush_icache_range(unsigned long start, unsigned lo else { switch (boot_cpu_type()) { case CPU_LOONGSON2: - protected_blast_icache_range(start, end); + protected_loongson2_blast_icache_range(start, end); break; default: - protected_loongson23_blast_icache_range(start, end); + protected_blast_icache_range(start, end); break; } } diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h index f33113a6141e..70b3674dac4e 100644 --- a/arch/parisc/include/uapi/asm/socket.h +++ b/arch/parisc/include/uapi/asm/socket.h @@ -75,6 +75,6 @@ #define SO_BUSY_POLL 0x4027 -#define SO_MAX_PACING_RATE 0x4048 +#define SO_MAX_PACING_RATE 0x4028 #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index ac3c2a10dafd..555034f8505e 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -223,10 +223,11 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image, } PPC_DIVWU(r_A, r_A, r_X); break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; PPC_LI32(r_scratch1, K); - /* Top 32 bits of 64bit result -> A */ - PPC_MULHWU(r_A, r_A, r_scratch1); + PPC_DIVWU(r_A, r_A, r_scratch1); break; case BPF_S_ALU_AND_X: ctx->seen |= SEEN_XREG; diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 16871da37371..708d60e40066 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -368,14 +368,16 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg)); /* lhi %r4,0 */ EMIT4(0xa7480000); - /* dr %r4,%r12 */ - EMIT2(0x1d4c); + /* dlr %r4,%r12 */ + EMIT4(0xb997004c); break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K) */ - /* m %r4,<d(K)>(%r13) */ - EMIT4_DISP(0x5c40d000, EMIT_CONST(K)); - /* lr %r5,%r4 */ - EMIT2(0x1854); + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; + /* lhi %r4,0 */ + EMIT4(0xa7480000); + /* dl %r4,<d(K)>(%r13) */ + EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K)); break; case BPF_S_ALU_MOD_X: /* A %= X */ jit->seen |= SEEN_XREG | SEEN_RET0; @@ -385,16 +387,21 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg)); /* lhi %r4,0 */ EMIT4(0xa7480000); - /* dr %r4,%r12 */ - EMIT2(0x1d4c); + /* dlr %r4,%r12 */ + EMIT4(0xb997004c); /* lr %r5,%r4 */ EMIT2(0x1854); break; case BPF_S_ALU_MOD_K: /* A %= K */ + if (K == 1) { + /* lhi %r5,0 */ + EMIT4(0xa7580000); + break; + } /* lhi %r4,0 */ EMIT4(0xa7480000); - /* d %r4,<d(K)>(%r13) */ - EMIT4_DISP(0x5d40d000, EMIT_CONST(K)); + /* dl %r4,<d(K)>(%r13) */ + EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K)); /* lr %r5,%r4 */ EMIT2(0x1854); break; diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index 218b6b23c378..01fe9946d388 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -497,9 +497,20 @@ void bpf_jit_compile(struct sk_filter *fp) case BPF_S_ALU_MUL_K: /* A *= K */ emit_alu_K(MUL, K); break; - case BPF_S_ALU_DIV_K: /* A /= K */ - emit_alu_K(MUL, K); - emit_read_y(r_A); + case BPF_S_ALU_DIV_K: /* A /= K with K != 0*/ + if (K == 1) + break; + emit_write_y(G0); +#ifdef CONFIG_SPARC32 + /* The Sparc v8 architecture requires + * three instructions between a %y + * register write and the first use. + */ + emit_nop(); + emit_nop(); + emit_nop(); +#endif + emit_alu_K(DIV, K); break; case BPF_S_ALU_DIV_X: /* A /= X; */ emit_cmpi(r_X, 0); diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c index e09f0bfb7b8f..4b8e4d3cd6ea 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c +++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/ptrace.h> +#include <linux/syscore_ops.h> #include <asm/apic.h> @@ -816,6 +817,18 @@ out: return ret; } +static void ibs_eilvt_setup(void) +{ + /* + * Force LVT offset assignment for family 10h: The offsets are + * not assigned by the BIOS for this family, so the OS is + * responsible for doing it. If the OS assignment fails, fall + * back to BIOS settings and try to setup this. + */ + if (boot_cpu_data.x86 == 0x10) + force_ibs_eilvt_setup(); +} + static inline int get_ibs_lvt_offset(void) { u64 val; @@ -851,6 +864,36 @@ static void clear_APIC_ibs(void *dummy) setup_APIC_eilvt(offset, 0, APIC_EILVT_MSG_FIX, 1); } +#ifdef CONFIG_PM + +static int perf_ibs_suspend(void) +{ + clear_APIC_ibs(NULL); + return 0; +} + +static void perf_ibs_resume(void) +{ + ibs_eilvt_setup(); + setup_APIC_ibs(NULL); +} + +static struct syscore_ops perf_ibs_syscore_ops = { + .resume = perf_ibs_resume, + .suspend = perf_ibs_suspend, +}; + +static void perf_ibs_pm_init(void) +{ + register_syscore_ops(&perf_ibs_syscore_ops); +} + +#else + +static inline void perf_ibs_pm_init(void) { } + +#endif + static int perf_ibs_cpu_notifier(struct notifier_block *self, unsigned long action, void *hcpu) { @@ -877,18 +920,12 @@ static __init int amd_ibs_init(void) if (!caps) return -ENODEV; /* ibs not supported by the cpu */ - /* - * Force LVT offset assignment for family 10h: The offsets are - * not assigned by the BIOS for this family, so the OS is - * responsible for doing it. If the OS assignment fails, fall - * back to BIOS settings and try to setup this. - */ - if (boot_cpu_data.x86 == 0x10) - force_ibs_eilvt_setup(); + ibs_eilvt_setup(); if (!ibs_eilvt_valid()) goto out; + perf_ibs_pm_init(); get_online_cpus(); ibs_caps = caps; /* make ibs_caps visible to other cpus: */ diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 1673940cf9c3..775702f649ca 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1355,7 +1355,7 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) vcpu->arch.apic_base = value; /* update jump label if enable bit changes */ - if ((vcpu->arch.apic_base ^ value) & MSR_IA32_APICBASE_ENABLE) { + if ((old_value ^ value) & MSR_IA32_APICBASE_ENABLE) { if (value & MSR_IA32_APICBASE_ENABLE) static_key_slow_dec_deferred(&apic_hw_disabled); else diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 9ff85bb8dd69..9d591c895803 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -641,6 +641,20 @@ no_context(struct pt_regs *regs, unsigned long error_code, /* Are we prepared to handle this kernel fault? */ if (fixup_exception(regs)) { + /* + * Any interrupt that takes a fault gets the fixup. This makes + * the below recursive fault logic only apply to a faults from + * task context. + */ + if (in_interrupt()) + return; + + /* + * Per the above we're !in_interrupt(), aka. task context. + * + * In this case we need to make sure we're not recursively + * faulting through the emulate_vsyscall() logic. + */ if (current_thread_info()->sig_on_uaccess_error && signal) { tsk->thread.trap_nr = X86_TRAP_PF; tsk->thread.error_code = error_code | PF_USER; @@ -649,6 +663,10 @@ no_context(struct pt_regs *regs, unsigned long error_code, /* XXX: hwpoison faults will set the wrong code. */ force_sig_info_fault(signal, si_code, address, tsk, 0); } + + /* + * Barring that, we can do the fixup and be happy. + */ return; } diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 26328e800869..4ed75dd81d05 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -359,15 +359,21 @@ void bpf_jit_compile(struct sk_filter *fp) EMIT2(0x89, 0xd0); /* mov %edx,%eax */ break; case BPF_S_ALU_MOD_K: /* A %= K; */ + if (K == 1) { + CLEAR_A(); + break; + } EMIT2(0x31, 0xd2); /* xor %edx,%edx */ EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ EMIT2(0xf7, 0xf1); /* div %ecx */ EMIT2(0x89, 0xd0); /* mov %edx,%eax */ break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ - EMIT3(0x48, 0x69, 0xc0); /* imul imm32,%rax,%rax */ - EMIT(K, 4); - EMIT4(0x48, 0xc1, 0xe8, 0x20); /* shr $0x20,%rax */ + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; + EMIT2(0x31, 0xd2); /* xor %edx,%edx */ + EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ + EMIT2(0xf7, 0xf1); /* div %ecx */ break; case BPF_S_ALU_AND_X: seen |= SEEN_XREG; diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c index 2ada505067cc..eb5d7a56f8d4 100644 --- a/arch/x86/vdso/vclock_gettime.c +++ b/arch/x86/vdso/vclock_gettime.c @@ -178,7 +178,7 @@ notrace static int __always_inline do_realtime(struct timespec *ts) ts->tv_nsec = 0; do { - seq = read_seqcount_begin_no_lockdep(>od->seq); + seq = raw_read_seqcount_begin(>od->seq); mode = gtod->clock.vclock_mode; ts->tv_sec = gtod->wall_time_sec; ns = gtod->wall_time_snsec; @@ -198,7 +198,7 @@ notrace static int do_monotonic(struct timespec *ts) ts->tv_nsec = 0; do { - seq = read_seqcount_begin_no_lockdep(>od->seq); + seq = raw_read_seqcount_begin(>od->seq); mode = gtod->clock.vclock_mode; ts->tv_sec = gtod->monotonic_time_sec; ns = gtod->monotonic_time_snsec; @@ -214,7 +214,7 @@ notrace static int do_realtime_coarse(struct timespec *ts) { unsigned long seq; do { - seq = read_seqcount_begin_no_lockdep(>od->seq); + seq = raw_read_seqcount_begin(>od->seq); ts->tv_sec = gtod->wall_time_coarse.tv_sec; ts->tv_nsec = gtod->wall_time_coarse.tv_nsec; } while (unlikely(read_seqcount_retry(>od->seq, seq))); @@ -225,7 +225,7 @@ notrace static int do_monotonic_coarse(struct timespec *ts) { unsigned long seq; do { - seq = read_seqcount_begin_no_lockdep(>od->seq); + seq = raw_read_seqcount_begin(>od->seq); ts->tv_sec = gtod->monotonic_time_coarse.tv_sec; ts->tv_nsec = gtod->monotonic_time_coarse.tv_nsec; } while (unlikely(read_seqcount_retry(>od->seq, seq))); diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index e60390597372..6745fe137b9e 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -162,7 +162,6 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = { { "80860F14", (unsigned long)&byt_sdio_dev_desc }, { "80860F41", (unsigned long)&byt_i2c_dev_desc }, { "INT33B2", }, - { "INT33FC", }, { "INT3430", (unsigned long)&lpt_dev_desc }, { "INT3431", (unsigned long)&lpt_dev_desc }, diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c index b2bb3a4bc205..a92350b55d32 100644 --- a/drivers/clocksource/cadence_ttc_timer.c +++ b/drivers/clocksource/cadence_ttc_timer.c @@ -67,11 +67,13 @@ * struct ttc_timer - This definition defines local timer structure * * @base_addr: Base address of timer + * @freq: Timer input clock frequency * @clk: Associated clock source * @clk_rate_change_nb Notifier block for clock rate changes */ struct ttc_timer { void __iomem *base_addr; + unsigned long freq; struct clk *clk; struct notifier_block clk_rate_change_nb; }; @@ -196,9 +198,8 @@ static void ttc_set_mode(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: - ttc_set_interval(timer, - DIV_ROUND_CLOSEST(clk_get_rate(ttce->ttc.clk), - PRESCALE * HZ)); + ttc_set_interval(timer, DIV_ROUND_CLOSEST(ttce->ttc.freq, + PRESCALE * HZ)); break; case CLOCK_EVT_MODE_ONESHOT: case CLOCK_EVT_MODE_UNUSED: @@ -273,6 +274,8 @@ static void __init ttc_setup_clocksource(struct clk *clk, void __iomem *base) return; } + ttccs->ttc.freq = clk_get_rate(ttccs->ttc.clk); + ttccs->ttc.clk_rate_change_nb.notifier_call = ttc_rate_change_clocksource_cb; ttccs->ttc.clk_rate_change_nb.next = NULL; @@ -298,16 +301,14 @@ static void __init ttc_setup_clocksource(struct clk *clk, void __iomem *base) __raw_writel(CNT_CNTRL_RESET, ttccs->ttc.base_addr + TTC_CNT_CNTRL_OFFSET); - err = clocksource_register_hz(&ttccs->cs, - clk_get_rate(ttccs->ttc.clk) / PRESCALE); + err = clocksource_register_hz(&ttccs->cs, ttccs->ttc.freq / PRESCALE); if (WARN_ON(err)) { kfree(ttccs); return; } ttc_sched_clock_val_reg = base + TTC_COUNT_VAL_OFFSET; - setup_sched_clock(ttc_sched_clock_read, 16, - clk_get_rate(ttccs->ttc.clk) / PRESCALE); + setup_sched_clock(ttc_sched_clock_read, 16, ttccs->ttc.freq / PRESCALE); } static int ttc_rate_change_clockevent_cb(struct notifier_block *nb, @@ -334,6 +335,9 @@ static int ttc_rate_change_clockevent_cb(struct notifier_block *nb, ndata->new_rate / PRESCALE); local_irq_restore(flags); + /* update cached frequency */ + ttc->freq = ndata->new_rate; + /* fall through */ } case PRE_RATE_CHANGE: @@ -367,6 +371,7 @@ static void __init ttc_setup_clockevent(struct clk *clk, if (clk_notifier_register(ttcce->ttc.clk, &ttcce->ttc.clk_rate_change_nb)) pr_warn("Unable to register clock notifier.\n"); + ttcce->ttc.freq = clk_get_rate(ttcce->ttc.clk); ttcce->ttc.base_addr = base; ttcce->ce.name = "ttc_clockevent"; @@ -396,7 +401,7 @@ static void __init ttc_setup_clockevent(struct clk *clk, } clockevents_config_and_register(&ttcce->ce, - clk_get_rate(ttcce->ttc.clk) / PRESCALE, 1, 0xfffe); + ttcce->ttc.freq / PRESCALE, 1, 0xfffe); } /** diff --git a/drivers/gpu/drm/armada/Kconfig b/drivers/gpu/drm/armada/Kconfig index 40d371521fe1..50ae88ad4d76 100644 --- a/drivers/gpu/drm/armada/Kconfig +++ b/drivers/gpu/drm/armada/Kconfig @@ -5,6 +5,7 @@ config DRM_ARMADA select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select DRM_KMS_HELPER + select DRM_KMS_FB_HELPER help Support the "LCD" controllers found on the Marvell Armada 510 devices. There are two controllers on the device, each controller diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c index 7b33e14e44aa..3f65dd6676b2 100644 --- a/drivers/gpu/drm/ast/ast_fb.c +++ b/drivers/gpu/drm/ast/ast_fb.c @@ -65,7 +65,7 @@ static void ast_dirty_update(struct ast_fbdev *afbdev, * then the BO is being moved and we should * store up the damage until later. */ - if (!in_interrupt()) + if (!drm_can_sleep()) ret = ast_bo_reserve(bo, true); if (ret) { if (ret != -EBUSY) diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c index e63a7533f849..2fd4a92162cb 100644 --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c @@ -39,7 +39,7 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev, * then the BO is being moved and we should * store up the damage until later. */ - if (!in_interrupt()) + if (!drm_can_sleep()) ret = cirrus_bo_reserve(bo, true); if (ret) { if (ret != -EBUSY) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 266a01d7f635..3b7d32da1604 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -675,6 +675,29 @@ void drm_crtc_cleanup(struct drm_crtc *crtc) EXPORT_SYMBOL(drm_crtc_cleanup); /** + * drm_crtc_index - find the index of a registered CRTC + * @crtc: CRTC to find index for + * + * Given a registered CRTC, return the index of that CRTC within a DRM + * device's list of CRTCs. + */ +unsigned int drm_crtc_index(struct drm_crtc *crtc) +{ + unsigned int index = 0; + struct drm_crtc *tmp; + + list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { + if (tmp == crtc) + return index; + + index++; + } + + BUG(); +} +EXPORT_SYMBOL(drm_crtc_index); + +/** * drm_mode_probed_add - add a mode to a connector's probed mode list * @connector: connector the new mode * @mode: mode data diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 245fe4fa9c9e..ea92b827e787 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -324,35 +324,6 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) } EXPORT_SYMBOL(drm_helper_disable_unused_functions); -/** - * drm_encoder_crtc_ok - can a given crtc drive a given encoder? - * @encoder: encoder to test - * @crtc: crtc to test - * - * Return false if @encoder can't be driven by @crtc, true otherwise. - */ -static bool drm_encoder_crtc_ok(struct drm_encoder *encoder, - struct drm_crtc *crtc) -{ - struct drm_device *dev; - struct drm_crtc *tmp; - int crtc_mask = 1; - - WARN(!crtc, "checking null crtc?\n"); - - dev = crtc->dev; - - list_for_each_entry(tmp, &dev->mode_config.crtc_list, head) { - if (tmp == crtc) - break; - crtc_mask <<= 1; - } - - if (encoder->possible_crtcs & crtc_mask) - return true; - return false; -} - /* * Check the CRTC we're going to map each output to vs. its current * CRTC. If they don't match, we have to disable the output and the CRTC diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index 6a7c2481d4ab..0490ce36b53f 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -678,7 +678,7 @@ cdv_intel_dp_i2c_init(struct gma_connector *connector, return ret; } -void cdv_intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, +static void cdv_intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode) { adjusted_mode->hdisplay = fixed_mode->hdisplay; diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c index 24e8af3d22bf..386de2c9dc86 100644 --- a/drivers/gpu/drm/gma500/gma_display.c +++ b/drivers/gpu/drm/gma500/gma_display.c @@ -349,6 +349,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, /* If we didn't get a handle then turn the cursor off */ if (!handle) { temp = CURSOR_MODE_DISABLE; + mutex_lock(&dev->struct_mutex); if (gma_power_begin(dev, false)) { REG_WRITE(control, temp); @@ -365,6 +366,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, gma_crtc->cursor_obj = NULL; } + mutex_unlock(&dev->struct_mutex); return 0; } @@ -374,9 +376,12 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, return -EINVAL; } + mutex_lock(&dev->struct_mutex); obj = drm_gem_object_lookup(dev, file_priv, handle); - if (!obj) - return -ENOENT; + if (!obj) { + ret = -ENOENT; + goto unlock; + } if (obj->size < width * height * 4) { dev_dbg(dev->dev, "Buffer is too small\n"); @@ -440,10 +445,13 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc, } gma_crtc->cursor_obj = obj; +unlock: + mutex_unlock(&dev->struct_mutex); return ret; unref_cursor: drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index e177d021c444..15a74f979b4b 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1685,6 +1685,7 @@ out_gem_unload: intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); + pm_qos_remove_request(&dev_priv->pm_qos); destroy_workqueue(dev_priv->wq); out_mtrrfree: arch_phys_wc_del(dev_priv->gtt.mtrr); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 43245b3fd2a2..04f1f02c4019 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -59,7 +59,7 @@ MODULE_PARM_DESC(powersave, "Enable powersavings, fbc, downclocking, etc. (default: true)"); int i915_semaphores __read_mostly = -1; -module_param_named(semaphores, i915_semaphores, int, 0600); +module_param_named(semaphores, i915_semaphores, int, 0400); MODULE_PARM_DESC(semaphores, "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))"); @@ -341,7 +341,6 @@ static const struct intel_device_info intel_haswell_m_info = { }; static const struct intel_device_info intel_broadwell_d_info = { - .is_preliminary = 1, .gen = 8, .num_pipes = 3, .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, @@ -350,7 +349,6 @@ static const struct intel_device_info intel_broadwell_d_info = { }; static const struct intel_device_info intel_broadwell_m_info = { - .is_preliminary = 1, .gen = 8, .is_mobile = 1, .num_pipes = 3, .need_gfx_hws = 1, .has_hotplug = 1, .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, @@ -924,7 +922,15 @@ static int i915_runtime_suspend(struct device *device) del_timer_sync(&dev_priv->gpu_error.hangcheck_timer); dev_priv->pm.suspended = true; - intel_opregion_notify_adapter(dev, PCI_D3cold); + + /* + * current versions of firmware which depend on this opregion + * notification have repurposed the D1 definition to mean + * "runtime suspended" vs. what you would normally expect (D3) + * to distinguish it from notifications that might be sent + * via the suspend path. + */ + intel_opregion_notify_adapter(dev, PCI_D1); return 0; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ff6f870d6621..98322053eb2a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -330,6 +330,7 @@ struct drm_i915_error_state { u64 fence[I915_MAX_NUM_FENCES]; struct timeval time; struct drm_i915_error_ring { + bool valid; struct drm_i915_error_object { int page_count; u32 gtt_offset; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32636a470367..00c836154725 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2330,7 +2330,7 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring, if (ring->hangcheck.action != HANGCHECK_WAIT && i915_request_guilty(request, acthd, &inside)) { - DRM_ERROR("%s hung %s bo (0x%lx ctx %d) at 0x%x\n", + DRM_DEBUG("%s hung %s bo (0x%lx ctx %d) at 0x%x\n", ring->name, inside ? "inside" : "flushing", offset, @@ -2388,16 +2388,6 @@ static void i915_gem_reset_ring_status(struct drm_i915_private *dev_priv, static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv, struct intel_ring_buffer *ring) { - while (!list_empty(&ring->request_list)) { - struct drm_i915_gem_request *request; - - request = list_first_entry(&ring->request_list, - struct drm_i915_gem_request, - list); - - i915_gem_free_request(request); - } - while (!list_empty(&ring->active_list)) { struct drm_i915_gem_object *obj; @@ -2407,6 +2397,23 @@ static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv, i915_gem_object_move_to_inactive(obj); } + + /* + * We must free the requests after all the corresponding objects have + * been moved off active lists. Which is the same order as the normal + * retire_requests function does. This is important if object hold + * implicit references on things like e.g. ppgtt address spaces through + * the request. + */ + while (!list_empty(&ring->request_list)) { + struct drm_i915_gem_request *request; + + request = list_first_entry(&ring->request_list, + struct drm_i915_gem_request, + list); + + i915_gem_free_request(request); + } } void i915_gem_restore_fences(struct drm_device *dev) @@ -3099,7 +3106,7 @@ i915_find_fence_reg(struct drm_device *dev) } if (avail == NULL) - return NULL; + goto deadlock; /* None available, try to steal one or wait for a user to finish */ list_for_each_entry(reg, &dev_priv->mm.fence_list, lru_list) { @@ -3109,7 +3116,12 @@ i915_find_fence_reg(struct drm_device *dev) return reg; } - return NULL; +deadlock: + /* Wait for completion of pending flips which consume fences */ + if (intel_has_pending_fb_unpin(dev)) + return ERR_PTR(-EAGAIN); + + return ERR_PTR(-EDEADLK); } /** @@ -3154,8 +3166,8 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj) } } else if (enable) { reg = i915_find_fence_reg(dev); - if (reg == NULL) - return -EDEADLK; + if (IS_ERR(reg)) + return PTR_ERR(reg); if (reg->obj) { struct drm_i915_gem_object *old = reg->obj; diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index 8f3adc7d0dc8..2ca280f9ee53 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -27,8 +27,10 @@ */ #include <drm/drmP.h> -#include "i915_drv.h" #include <drm/i915_drm.h> + +#include "i915_drv.h" +#include "intel_drv.h" #include "i915_trace.h" static bool @@ -53,6 +55,7 @@ i915_gem_evict_something(struct drm_device *dev, struct i915_address_space *vm, struct list_head eviction_list, unwind_list; struct i915_vma *vma; int ret = 0; + int pass = 0; trace_i915_gem_evict(dev, min_size, alignment, mappable); @@ -119,14 +122,24 @@ none: /* Can we unpin some objects such as idle hw contents, * or pending flips? */ - ret = nonblocking ? -ENOSPC : i915_gpu_idle(dev); - if (ret) - return ret; + if (nonblocking) + return -ENOSPC; /* Only idle the GPU and repeat the search once */ - i915_gem_retire_requests(dev); - nonblocking = true; - goto search_again; + if (pass++ == 0) { + ret = i915_gpu_idle(dev); + if (ret) + return ret; + + i915_gem_retire_requests(dev); + goto search_again; + } + + /* If we still have pending pageflip completions, drop + * back to userspace to give our workqueues time to + * acquire our locks and unpin the old scanouts. + */ + return intel_has_pending_fb_unpin(dev) ? -EAGAIN : -ENOSPC; found: /* drm_mm doesn't allow any other other operations while diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 8d795626a25e..d269ecf46e26 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -252,7 +252,7 @@ relocate_entry_cpu(struct drm_i915_gem_object *obj, struct drm_device *dev = obj->base.dev; uint32_t page_offset = offset_in_page(reloc->offset); char *vaddr; - int ret = -EINVAL; + int ret; ret = i915_gem_object_set_to_cpu_domain(obj, true); if (ret) @@ -287,7 +287,7 @@ relocate_entry_gtt(struct drm_i915_gem_object *obj, struct drm_i915_private *dev_priv = dev->dev_private; uint32_t __iomem *reloc_entry; void __iomem *reloc_page; - int ret = -EINVAL; + int ret; ret = i915_gem_object_set_to_gtt_domain(obj, true); if (ret) @@ -335,7 +335,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, struct drm_i915_gem_object *target_i915_obj; struct i915_vma *target_vma; uint32_t target_offset; - int ret = -EINVAL; + int ret; /* we've already hold a reference to all valid objects */ target_vma = eb_get_vma(eb, reloc->target_handle); @@ -365,7 +365,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, (int) reloc->offset, reloc->read_domains, reloc->write_domain); - return ret; + return -EINVAL; } if (unlikely((reloc->write_domain | reloc->read_domains) & ~I915_GEM_GPU_DOMAINS)) { @@ -376,7 +376,7 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, (int) reloc->offset, reloc->read_domains, reloc->write_domain); - return ret; + return -EINVAL; } target_obj->pending_read_domains |= reloc->read_domains; @@ -396,14 +396,14 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, obj, reloc->target_handle, (int) reloc->offset, (int) obj->base.size); - return ret; + return -EINVAL; } if (unlikely(reloc->offset & 3)) { DRM_DEBUG("Relocation not 4-byte aligned: " "obj %p target %d offset %d.\n", obj, reloc->target_handle, (int) reloc->offset); - return ret; + return -EINVAL; } /* We can't wait for rendering with pagefaults disabled */ diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index fed87ec17211..1a24e84f2315 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -250,7 +250,7 @@ i915_pages_create_for_stolen(struct drm_device *dev, } sg = st->sgl; - sg->offset = offset; + sg->offset = 0; sg->length = size; sg_dma_address(sg) = (dma_addr_t)dev_priv->mm.stolen_base + offset; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index a707cca692e4..d7fd2fd2f0a5 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -239,6 +239,9 @@ static void i915_ring_error_state(struct drm_i915_error_state_buf *m, unsigned ring) { BUG_ON(ring >= I915_NUM_RINGS); /* shut up confused gcc */ + if (!error->ring[ring].valid) + return; + err_printf(m, "%s command stream:\n", ring_str(ring)); err_printf(m, " HEAD: 0x%08x\n", error->head[ring]); err_printf(m, " TAIL: 0x%08x\n", error->tail[ring]); @@ -293,7 +296,6 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, struct drm_device *dev = error_priv->dev; drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_error_state *error = error_priv->error; - struct intel_ring_buffer *ring; int i, j, page, offset, elt; if (!error) { @@ -328,7 +330,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, if (INTEL_INFO(dev)->gen == 7) err_printf(m, "ERR_INT: 0x%08x\n", error->err_int); - for_each_ring(ring, dev_priv, i) + for (i = 0; i < ARRAY_SIZE(error->ring); i++) i915_ring_error_state(m, dev, error, i); if (error->active_bo) @@ -385,8 +387,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, } } - obj = error->ring[i].ctx; - if (obj) { + if ((obj = error->ring[i].ctx)) { err_printf(m, "%s --- HW Context = 0x%08x\n", dev_priv->ring[i].name, obj->gtt_offset); @@ -667,7 +668,8 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv, return NULL; obj = ring->scratch.obj; - if (acthd >= i915_gem_obj_ggtt_offset(obj) && + if (obj != NULL && + acthd >= i915_gem_obj_ggtt_offset(obj) && acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size) return i915_error_object_create(dev_priv, obj); } @@ -775,11 +777,17 @@ static void i915_gem_record_rings(struct drm_device *dev, struct drm_i915_error_state *error) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_ring_buffer *ring; struct drm_i915_gem_request *request; int i, count; - for_each_ring(ring, dev_priv, i) { + for (i = 0; i < I915_NUM_RINGS; i++) { + struct intel_ring_buffer *ring = &dev_priv->ring[i]; + + if (ring->dev == NULL) + continue; + + error->ring[i].valid = true; + i915_record_ring_state(dev, error, ring); error->ring[i].batchbuffer = diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 76126e0ae609..a48b7cad6f11 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2122,9 +2122,13 @@ * Please check the detailed lore in the commit message for for experimental * evidence. */ -#define PORTD_HOTPLUG_LIVE_STATUS (1 << 29) -#define PORTC_HOTPLUG_LIVE_STATUS (1 << 28) -#define PORTB_HOTPLUG_LIVE_STATUS (1 << 27) +#define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 29) +#define PORTC_HOTPLUG_LIVE_STATUS_G4X (1 << 28) +#define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 27) +/* VLV DP/HDMI bits again match Bspec */ +#define PORTD_HOTPLUG_LIVE_STATUS_VLV (1 << 27) +#define PORTC_HOTPLUG_LIVE_STATUS_VLV (1 << 28) +#define PORTB_HOTPLUG_LIVE_STATUS_VLV (1 << 29) #define PORTD_HOTPLUG_INT_STATUS (3 << 21) #define PORTC_HOTPLUG_INT_STATUS (3 << 19) #define PORTB_HOTPLUG_INT_STATUS (3 << 17) @@ -2138,7 +2142,8 @@ #define DP_AUX_CHANNEL_D_INT_STATUS_G4X (1 << 6) #define DP_AUX_CHANNEL_C_INT_STATUS_G4X (1 << 5) #define DP_AUX_CHANNEL_B_INT_STATUS_G4X (1 << 4) -#define DP_AUX_CHANNEL_MASK_INT_STATUS_G4X (1 << 4) +#define DP_AUX_CHANNEL_MASK_INT_STATUS_G4X (7 << 4) + /* SDVO is different across gen3/4 */ #define SDVOC_HOTPLUG_INT_STATUS_G4X (1 << 3) #define SDVOB_HOTPLUG_INT_STATUS_G4X (1 << 2) @@ -3573,8 +3578,6 @@ #define DISP_BASEADDR_MASK (0xfffff000) #define I915_LO_DISPBASE(val) (val & ~DISP_BASEADDR_MASK) #define I915_HI_DISPBASE(val) (val & DISP_BASEADDR_MASK) -#define I915_MODIFY_DISPBASE(reg, gfx_addr) \ - (I915_WRITE((reg), (gfx_addr) | I915_LO_DISPBASE(I915_READ(reg)))) /* VBIOS flags */ #define SWF00 (dev_priv->info->display_mmio_offset + 0x71410) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 14b024becb91..9fa24347963a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2114,8 +2114,8 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, fb->pitches[0]); I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); if (INTEL_INFO(dev)->gen >= 4) { - I915_MODIFY_DISPBASE(DSPSURF(plane), - i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); + I915_WRITE(DSPSURF(plane), + i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); I915_WRITE(DSPLINOFF(plane), linear_offset); } else @@ -2205,8 +2205,8 @@ static int ironlake_update_plane(struct drm_crtc *crtc, i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, fb->pitches[0]); I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); - I915_MODIFY_DISPBASE(DSPSURF(plane), - i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); + I915_WRITE(DSPSURF(plane), + i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { I915_WRITE(DSPOFFSET(plane), (y << 16) | x); } else { @@ -2982,6 +2982,30 @@ static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) return pending; } +bool intel_has_pending_fb_unpin(struct drm_device *dev) +{ + struct intel_crtc *crtc; + + /* Note that we don't need to be called with mode_config.lock here + * as our list of CRTC objects is static for the lifetime of the + * device and so cannot disappear as we iterate. Similarly, we can + * happily treat the predicates as racy, atomic checks as userspace + * cannot claim and pin a new fb without at least acquring the + * struct_mutex and so serialising with us. + */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { + if (atomic_read(&crtc->unpin_work_count) == 0) + continue; + + if (crtc->unpin_work) + intel_wait_for_vblank(dev, crtc->pipe); + + return true; + } + + return false; +} + static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -8720,28 +8744,6 @@ static struct drm_crtc_helper_funcs intel_helper_funcs = { .load_lut = intel_crtc_load_lut, }; -static bool intel_encoder_crtc_ok(struct drm_encoder *encoder, - struct drm_crtc *crtc) -{ - struct drm_device *dev; - struct drm_crtc *tmp; - int crtc_mask = 1; - - WARN(!crtc, "checking null crtc?\n"); - - dev = crtc->dev; - - list_for_each_entry(tmp, &dev->mode_config.crtc_list, head) { - if (tmp == crtc) - break; - crtc_mask <<= 1; - } - - if (encoder->possible_crtcs & crtc_mask) - return true; - return false; -} - /** * intel_modeset_update_staged_output_state * @@ -9916,8 +9918,8 @@ intel_modeset_stage_output_state(struct drm_device *dev, } /* Make sure the new CRTC will work with the encoder */ - if (!intel_encoder_crtc_ok(&connector->new_encoder->base, - new_crtc)) { + if (!drm_encoder_crtc_ok(&connector->new_encoder->base, + new_crtc)) { return -EINVAL; } connector->encoder->new_crtc = to_intel_crtc(new_crtc); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 7df5085973e9..5ede4e8e290d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2638,7 +2638,6 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) if (cr_tries > 5) { DRM_ERROR("failed to train DP, aborting\n"); - intel_dp_link_down(intel_dp); break; } @@ -2891,13 +2890,11 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) /* Try to read receiver status if the link appears to be up */ if (!intel_dp_get_link_status(intel_dp, link_status)) { - intel_dp_link_down(intel_dp); return; } /* Now read the DPCD to see if it's actually running */ if (!intel_dp_get_dpcd(intel_dp)) { - intel_dp_link_down(intel_dp); return; } @@ -3012,18 +3009,34 @@ g4x_dp_detect(struct intel_dp *intel_dp) return status; } - switch (intel_dig_port->port) { - case PORT_B: - bit = PORTB_HOTPLUG_LIVE_STATUS; - break; - case PORT_C: - bit = PORTC_HOTPLUG_LIVE_STATUS; - break; - case PORT_D: - bit = PORTD_HOTPLUG_LIVE_STATUS; - break; - default: - return connector_status_unknown; + if (IS_VALLEYVIEW(dev)) { + switch (intel_dig_port->port) { + case PORT_B: + bit = PORTB_HOTPLUG_LIVE_STATUS_VLV; + break; + case PORT_C: + bit = PORTC_HOTPLUG_LIVE_STATUS_VLV; + break; + case PORT_D: + bit = PORTD_HOTPLUG_LIVE_STATUS_VLV; + break; + default: + return connector_status_unknown; + } + } else { + switch (intel_dig_port->port) { + case PORT_B: + bit = PORTB_HOTPLUG_LIVE_STATUS_G4X; + break; + case PORT_C: + bit = PORTC_HOTPLUG_LIVE_STATUS_G4X; + break; + case PORT_D: + bit = PORTD_HOTPLUG_LIVE_STATUS_G4X; + break; + default: + return connector_status_unknown; + } } if ((I915_READ(PORT_HOTPLUG_STAT) & bit) == 0) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 8754db9e3d52..fbfaaba5cc3b 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -626,6 +626,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder, /* intel_display.c */ const char *intel_output_name(int output); +bool intel_has_pending_fb_unpin(struct drm_device *dev); int intel_pch_rawclk(struct drm_device *dev); void intel_mark_busy(struct drm_device *dev); void intel_mark_fb_busy(struct drm_i915_gem_object *obj, diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 3da259e280ba..37e9a96777ef 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -396,9 +396,7 @@ int intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state) static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) { struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_connector *connector; struct intel_connector *intel_connector; - struct intel_panel *panel; struct opregion_asle __iomem *asle = dev_priv->opregion.asle; DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); @@ -417,12 +415,8 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) * only one). */ DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - intel_connector = to_intel_connector(connector); - panel = &intel_connector->panel; - if (panel->backlight.present) - intel_panel_set_backlight(intel_connector, bclp, 255); - } + list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head) + intel_panel_set_backlight(intel_connector, bclp, 255); iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv); mutex_unlock(&dev->mode_config.mutex); diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 20ebc3e83d39..350de359123a 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -502,7 +502,7 @@ void intel_panel_set_backlight(struct intel_connector *connector, u32 level, u32 freq; unsigned long flags; - if (pipe == INVALID_PIPE) + if (!panel->backlight.present || pipe == INVALID_PIPE) return; spin_lock_irqsave(&dev_priv->backlight_lock, flags); @@ -579,7 +579,7 @@ void intel_panel_disable_backlight(struct intel_connector *connector) enum pipe pipe = intel_get_pipe_from_connector(connector); unsigned long flags; - if (pipe == INVALID_PIPE) + if (!panel->backlight.present || pipe == INVALID_PIPE) return; /* @@ -782,7 +782,7 @@ void intel_panel_enable_backlight(struct intel_connector *connector) enum pipe pipe = intel_get_pipe_from_connector(connector); unsigned long flags; - if (pipe == INVALID_PIPE) + if (!panel->backlight.present || pipe == INVALID_PIPE) return; DRM_DEBUG_KMS("pipe %c\n", pipe_name(pipe)); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 8fcb32a02cb4..b7f1742caf87 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -673,10 +673,12 @@ gen6_add_request(struct intel_ring_buffer *ring) if (ret) return ret; - for_each_ring(useless, dev_priv, i) { - u32 mbox_reg = ring->signal_mbox[i]; - if (mbox_reg != GEN6_NOSYNC) - update_mboxes(ring, mbox_reg); + if (i915_semaphore_is_enabled(dev)) { + for_each_ring(useless, dev_priv, i) { + u32 mbox_reg = ring->signal_mbox[i]; + if (mbox_reg != GEN6_NOSYNC) + update_mboxes(ring, mbox_reg); + } } intel_ring_emit(ring, MI_STORE_DWORD_INDEX); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index fe4de89c374c..716a3c9c0751 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -141,8 +141,8 @@ vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc, I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w); I915_WRITE(SPCNTR(pipe, plane), sprctl); - I915_MODIFY_DISPBASE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) + - sprsurf_offset); + I915_WRITE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) + + sprsurf_offset); POSTING_READ(SPSURF(pipe, plane)); } @@ -158,7 +158,7 @@ vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc) I915_WRITE(SPCNTR(pipe, plane), I915_READ(SPCNTR(pipe, plane)) & ~SP_ENABLE); /* Activate double buffered register update */ - I915_MODIFY_DISPBASE(SPSURF(pipe, plane), 0); + I915_WRITE(SPSURF(pipe, plane), 0); POSTING_READ(SPSURF(pipe, plane)); intel_update_sprite_watermarks(dplane, crtc, 0, 0, false, false); @@ -315,8 +315,8 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, if (intel_plane->can_scale) I915_WRITE(SPRSCALE(pipe), sprscale); I915_WRITE(SPRCTL(pipe), sprctl); - I915_MODIFY_DISPBASE(SPRSURF(pipe), - i915_gem_obj_ggtt_offset(obj) + sprsurf_offset); + I915_WRITE(SPRSURF(pipe), + i915_gem_obj_ggtt_offset(obj) + sprsurf_offset); POSTING_READ(SPRSURF(pipe)); } @@ -333,7 +333,7 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc) if (intel_plane->can_scale) I915_WRITE(SPRSCALE(pipe), 0); /* Activate double buffered register update */ - I915_MODIFY_DISPBASE(SPRSURF(pipe), 0); + I915_WRITE(SPRSURF(pipe), 0); POSTING_READ(SPRSURF(pipe)); /* @@ -489,8 +489,8 @@ ilk_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w); I915_WRITE(DVSSCALE(pipe), dvsscale); I915_WRITE(DVSCNTR(pipe), dvscntr); - I915_MODIFY_DISPBASE(DVSSURF(pipe), - i915_gem_obj_ggtt_offset(obj) + dvssurf_offset); + I915_WRITE(DVSSURF(pipe), + i915_gem_obj_ggtt_offset(obj) + dvssurf_offset); POSTING_READ(DVSSURF(pipe)); } @@ -506,7 +506,7 @@ ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc) /* Disable the scaler */ I915_WRITE(DVSSCALE(pipe), 0); /* Flush double buffered register updates */ - I915_MODIFY_DISPBASE(DVSSURF(pipe), 0); + I915_WRITE(DVSSURF(pipe), 0); POSTING_READ(DVSSURF(pipe)); /* diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 2c8143c37de3..87df68f5f504 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -805,7 +805,7 @@ static const struct register_whitelist { uint32_t size; uint32_t gen_bitmask; /* support gens, 0x10 for 4, 0x30 for 4 and 5, etc. */ } whitelist[] = { - { RING_TIMESTAMP(RENDER_RING_BASE), 8, 0xF0 }, + { RING_TIMESTAMP(RENDER_RING_BASE), 8, 0x1F0 }, }; int i915_reg_read_ioctl(struct drm_device *dev, diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 005b60aa2a00..f9adc27ef32a 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -41,7 +41,7 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, * then the BO is being moved and we should * store up the damage until later. */ - if (!in_interrupt()) + if (!drm_can_sleep()) ret = mgag200_bo_reserve(bo, true); if (ret) { if (ret != -EBUSY) diff --git a/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c index af129c2e8113..64f8b4702bf7 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mxm/nv50.c @@ -100,7 +100,7 @@ mxm_match_dcb(struct nouveau_mxm *mxm, u8 *data, void *info) static int mxm_dcb_sanitise_entry(struct nouveau_bios *bios, void *data, int idx, u16 pdcb) { - struct nouveau_mxm *mxm = nouveau_mxm(bios); + struct nouveau_mxm *mxm = data; struct context ctx = { .outp = (u32 *)(bios->data + pdcb) }; u8 type, i2cidx, link, ver, len; u8 *conn; @@ -199,7 +199,7 @@ mxm_dcb_sanitise(struct nouveau_mxm *mxm) return; } - dcb_outp_foreach(bios, NULL, mxm_dcb_sanitise_entry); + dcb_outp_foreach(bios, mxm, mxm_dcb_sanitise_entry); mxms_foreach(mxm, 0x01, mxm_show_unmatched, NULL); } diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c index 0fd2eb139f6e..4313bb0a49a6 100644 --- a/drivers/gpu/drm/omapdrm/omap_crtc.c +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c @@ -411,7 +411,7 @@ static void omap_crtc_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus) struct drm_crtc *crtc = &omap_crtc->base; DRM_ERROR("%s: errors: %08x\n", omap_crtc->name, irqstatus); /* avoid getting in a flood, unregister the irq until next vblank */ - omap_irq_unregister(crtc->dev, &omap_crtc->error_irq); + __omap_irq_unregister(crtc->dev, &omap_crtc->error_irq); } static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus) @@ -421,13 +421,13 @@ static void omap_crtc_apply_irq(struct omap_drm_irq *irq, uint32_t irqstatus) struct drm_crtc *crtc = &omap_crtc->base; if (!omap_crtc->error_irq.registered) - omap_irq_register(crtc->dev, &omap_crtc->error_irq); + __omap_irq_register(crtc->dev, &omap_crtc->error_irq); if (!dispc_mgr_go_busy(omap_crtc->channel)) { struct omap_drm_private *priv = crtc->dev->dev_private; DBG("%s: apply done", omap_crtc->name); - omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq); + __omap_irq_unregister(crtc->dev, &omap_crtc->apply_irq); queue_work(priv->wq, &omap_crtc->apply_work); } } @@ -623,6 +623,11 @@ void omap_crtc_pre_init(void) dss_install_mgr_ops(&mgr_ops); } +void omap_crtc_pre_uninit(void) +{ + dss_uninstall_mgr_ops(); +} + /* initialize crtc */ struct drm_crtc *omap_crtc_init(struct drm_device *dev, struct drm_plane *plane, enum omap_channel channel, int id) diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index 701c4c10e08b..f926b4caf449 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -969,12 +969,21 @@ static const struct dev_pm_ops omap_dmm_pm_ops = { }; #endif +#if defined(CONFIG_OF) +static const struct of_device_id dmm_of_match[] = { + { .compatible = "ti,omap4-dmm", }, + { .compatible = "ti,omap5-dmm", }, + {}, +}; +#endif + struct platform_driver omap_dmm_driver = { .probe = omap_dmm_probe, .remove = omap_dmm_remove, .driver = { .owner = THIS_MODULE, .name = DMM_DRIVER_NAME, + .of_match_table = of_match_ptr(dmm_of_match), #ifdef CONFIG_PM .pm = &omap_dmm_pm_ops, #endif diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 13f294aeaefd..bf39fcc49e0f 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -86,6 +86,47 @@ static bool channel_used(struct drm_device *dev, enum omap_channel channel) return false; } +static void omap_disconnect_dssdevs(void) +{ + struct omap_dss_device *dssdev = NULL; + + for_each_dss_dev(dssdev) + dssdev->driver->disconnect(dssdev); +} + +static int omap_connect_dssdevs(void) +{ + int r; + struct omap_dss_device *dssdev = NULL; + bool no_displays = true; + + for_each_dss_dev(dssdev) { + r = dssdev->driver->connect(dssdev); + if (r == -EPROBE_DEFER) { + omap_dss_put_device(dssdev); + goto cleanup; + } else if (r) { + dev_warn(dssdev->dev, "could not connect display: %s\n", + dssdev->name); + } else { + no_displays = false; + } + } + + if (no_displays) + return -EPROBE_DEFER; + + return 0; + +cleanup: + /* + * if we are deferring probe, we disconnect the devices we previously + * connected + */ + omap_disconnect_dssdevs(); + + return r; +} static int omap_modeset_init(struct drm_device *dev) { @@ -95,9 +136,6 @@ static int omap_modeset_init(struct drm_device *dev) int num_mgrs = dss_feat_get_num_mgrs(); int num_crtcs; int i, id = 0; - int r; - - omap_crtc_pre_init(); drm_mode_config_init(dev); @@ -119,26 +157,8 @@ static int omap_modeset_init(struct drm_device *dev) enum omap_channel channel; struct omap_overlay_manager *mgr; - if (!dssdev->driver) { - dev_warn(dev->dev, "%s has no driver.. skipping it\n", - dssdev->name); + if (!omapdss_device_is_connected(dssdev)) continue; - } - - if (!(dssdev->driver->get_timings || - dssdev->driver->read_edid)) { - dev_warn(dev->dev, "%s driver does not support " - "get_timings or read_edid.. skipping it!\n", - dssdev->name); - continue; - } - - r = dssdev->driver->connect(dssdev); - if (r) { - dev_err(dev->dev, "could not connect display: %s\n", - dssdev->name); - continue; - } encoder = omap_encoder_init(dev, dssdev); @@ -497,16 +517,16 @@ static int dev_unload(struct drm_device *dev) DBG("unload: dev=%p", dev); drm_kms_helper_poll_fini(dev); - drm_vblank_cleanup(dev); - omap_drm_irq_uninstall(dev); omap_fbdev_free(dev); omap_modeset_free(dev); omap_gem_deinit(dev); - flush_workqueue(priv->wq); destroy_workqueue(priv->wq); + drm_vblank_cleanup(dev); + omap_drm_irq_uninstall(dev); + kfree(dev->dev_private); dev->dev_private = NULL; @@ -655,9 +675,19 @@ static void pdev_shutdown(struct platform_device *device) static int pdev_probe(struct platform_device *device) { + int r; + if (omapdss_is_initialized() == false) return -EPROBE_DEFER; + omap_crtc_pre_init(); + + r = omap_connect_dssdevs(); + if (r) { + omap_crtc_pre_uninit(); + return r; + } + DBG("%s", device->name); return drm_platform_init(&omap_drm_driver, device); } @@ -666,8 +696,10 @@ static int pdev_remove(struct platform_device *device) { DBG(""); - drm_put_dev(platform_get_drvdata(device)); + omap_disconnect_dssdevs(); + omap_crtc_pre_uninit(); + drm_put_dev(platform_get_drvdata(device)); return 0; } diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index c88fea32dbf6..428b2981fd68 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -145,6 +145,8 @@ irqreturn_t omap_irq_handler(int irq, void *arg); void omap_irq_preinstall(struct drm_device *dev); int omap_irq_postinstall(struct drm_device *dev); void omap_irq_uninstall(struct drm_device *dev); +void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); +void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); int omap_drm_irq_uninstall(struct drm_device *dev); @@ -158,6 +160,7 @@ enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); int omap_crtc_apply(struct drm_crtc *crtc, struct omap_drm_apply *apply); void omap_crtc_pre_init(void); +void omap_crtc_pre_uninit(void); struct drm_crtc *omap_crtc_init(struct drm_device *dev, struct drm_plane *plane, enum omap_channel channel, int id); diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c index 6a12e899235b..5290a88c681d 100644 --- a/drivers/gpu/drm/omapdrm/omap_encoder.c +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c @@ -51,6 +51,9 @@ struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder) static void omap_encoder_destroy(struct drm_encoder *encoder) { struct omap_encoder *omap_encoder = to_omap_encoder(encoder); + + omap_encoder_set_enabled(encoder, false); + drm_encoder_cleanup(encoder); kfree(omap_encoder); } diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 0e5336e5a791..f035d2bceae7 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -45,12 +45,11 @@ static void omap_irq_update(struct drm_device *dev) dispc_read_irqenable(); /* flush posted write */ } -void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq) +void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq) { struct omap_drm_private *priv = dev->dev_private; unsigned long flags; - dispc_runtime_get(); spin_lock_irqsave(&list_lock, flags); if (!WARN_ON(irq->registered)) { @@ -60,14 +59,21 @@ void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq) } spin_unlock_irqrestore(&list_lock, flags); +} + +void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq) +{ + dispc_runtime_get(); + + __omap_irq_register(dev, irq); + dispc_runtime_put(); } -void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq) +void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq) { unsigned long flags; - dispc_runtime_get(); spin_lock_irqsave(&list_lock, flags); if (!WARN_ON(!irq->registered)) { @@ -77,6 +83,14 @@ void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq) } spin_unlock_irqrestore(&list_lock, flags); +} + +void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq) +{ + dispc_runtime_get(); + + __omap_irq_unregister(dev, irq); + dispc_runtime_put(); } diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 3e611afc93f4..59d52ca2c67f 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -162,6 +162,7 @@ static int panel_simple_get_modes(struct drm_panel *panel) /* probe EDID if a DDC bus is available */ if (p->ddc) { struct edid *edid = drm_get_edid(panel->connector, p->ddc); + drm_mode_connector_update_edid_property(panel->connector, edid); if (edid) { num += drm_add_edid_modes(panel->connector, edid); kfree(edid); @@ -316,6 +317,28 @@ static const struct panel_desc auo_b101aw03 = { }, }; +static const struct drm_display_mode chunghwa_claa101wa01a_mode = { + .clock = 72070, + .hdisplay = 1366, + .hsync_start = 1366 + 58, + .hsync_end = 1366 + 58 + 58, + .htotal = 1366 + 58 + 58 + 58, + .vdisplay = 768, + .vsync_start = 768 + 4, + .vsync_end = 768 + 4 + 4, + .vtotal = 768 + 4 + 4 + 4, + .vrefresh = 60, +}; + +static const struct panel_desc chunghwa_claa101wa01a = { + .modes = &chunghwa_claa101wa01a_mode, + .num_modes = 1, + .size = { + .width = 220, + .height = 120, + }, +}; + static const struct drm_display_mode chunghwa_claa101wb01_mode = { .clock = 69300, .hdisplay = 1366, @@ -338,14 +361,42 @@ static const struct panel_desc chunghwa_claa101wb01 = { }, }; +static const struct drm_display_mode samsung_ltn101nt05_mode = { + .clock = 54030, + .hdisplay = 1024, + .hsync_start = 1024 + 24, + .hsync_end = 1024 + 24 + 136, + .htotal = 1024 + 24 + 136 + 160, + .vdisplay = 600, + .vsync_start = 600 + 3, + .vsync_end = 600 + 3 + 6, + .vtotal = 600 + 3 + 6 + 61, + .vrefresh = 60, +}; + +static const struct panel_desc samsung_ltn101nt05 = { + .modes = &samsung_ltn101nt05_mode, + .num_modes = 1, + .size = { + .width = 1024, + .height = 600, + }, +}; + static const struct of_device_id platform_of_match[] = { { .compatible = "auo,b101aw03", .data = &auo_b101aw03, }, { + .compatible = "chunghwa,claa101wa01a", + .data = &chunghwa_claa101wa01a + }, { .compatible = "chunghwa,claa101wb01", .data = &chunghwa_claa101wb01 }, { + .compatible = "samsung,ltn101nt05", + .data = &samsung_ltn101nt05, + }, { .compatible = "simple-panel", }, { /* sentinel */ diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 4cf678306c9c..a9338c85630f 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -209,6 +209,16 @@ static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state) atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); } +static const u32 vga_control_regs[6] = +{ + AVIVO_D1VGA_CONTROL, + AVIVO_D2VGA_CONTROL, + EVERGREEN_D3VGA_CONTROL, + EVERGREEN_D4VGA_CONTROL, + EVERGREEN_D5VGA_CONTROL, + EVERGREEN_D6VGA_CONTROL, +}; + static void atombios_blank_crtc(struct drm_crtc *crtc, int state) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); @@ -216,13 +226,23 @@ static void atombios_blank_crtc(struct drm_crtc *crtc, int state) struct radeon_device *rdev = dev->dev_private; int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); BLANK_CRTC_PS_ALLOCATION args; + u32 vga_control = 0; memset(&args, 0, sizeof(args)); + if (ASIC_IS_DCE8(rdev)) { + vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]); + WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1); + } + args.ucCRTC = radeon_crtc->crtc_id; args.ucBlanking = state; atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + + if (ASIC_IS_DCE8(rdev)) { + WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control); + } } static void atombios_powergate_crtc(struct drm_crtc *crtc, int state) diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 6ffe824624fb..e6419ca7cd37 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3840,6 +3840,8 @@ static void cik_cp_gfx_enable(struct radeon_device *rdev, bool enable) if (enable) WREG32(CP_ME_CNTL, 0); else { + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT)); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; } @@ -4038,6 +4040,10 @@ static int cik_cp_gfx_resume(struct radeon_device *rdev) rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; return r; } + + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + return 0; } diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index 9abea87a9213..1ecb3f1070e3 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -250,7 +250,9 @@ static void cik_sdma_gfx_stop(struct radeon_device *rdev) u32 rb_cntl, reg_offset; int i; - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if ((rdev->asic->copy.copy_ring_index == R600_RING_TYPE_DMA_INDEX) || + (rdev->asic->copy.copy_ring_index == CAYMAN_RING_TYPE_DMA1_INDEX)) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); for (i = 0; i < 2; i++) { if (i == 0) @@ -381,7 +383,9 @@ static int cik_sdma_gfx_resume(struct radeon_device *rdev) } } - radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + if ((rdev->asic->copy.copy_ring_index == R600_RING_TYPE_DMA_INDEX) || + (rdev->asic->copy.copy_ring_index == CAYMAN_RING_TYPE_DMA1_INDEX)) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 4116d0279596..f2b9e21ce4da 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4348,8 +4348,8 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev) WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } - /* only one DAC on DCE6 */ - if (!ASIC_IS_DCE6(rdev)) + /* only one DAC on DCE5 */ + if (!ASIC_IS_DCE5(rdev)) WREG32(DACA_AUTODETECT_INT_CONTROL, 0); WREG32(DACB_AUTODETECT_INT_CONTROL, 0); diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 647b1d0fa62c..ea932ac66fc6 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1390,7 +1390,8 @@ static void cayman_cp_enable(struct radeon_device *rdev, bool enable) if (enable) WREG32(CP_ME_CNTL, 0); else { - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); WREG32(SCRATCH_UMSK, 0); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; @@ -1663,6 +1664,9 @@ static int cayman_cp_resume(struct radeon_device *rdev) return r; } + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + return 0; } diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c index 51424ab79432..7cf96b15377f 100644 --- a/drivers/gpu/drm/radeon/ni_dma.c +++ b/drivers/gpu/drm/radeon/ni_dma.c @@ -157,7 +157,9 @@ void cayman_dma_stop(struct radeon_device *rdev) { u32 rb_cntl; - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if ((rdev->asic->copy.copy_ring_index == R600_RING_TYPE_DMA_INDEX) || + (rdev->asic->copy.copy_ring_index == CAYMAN_RING_TYPE_DMA1_INDEX)) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); /* dma0 */ rb_cntl = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); @@ -259,7 +261,9 @@ int cayman_dma_resume(struct radeon_device *rdev) } } - radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + if ((rdev->asic->copy.copy_ring_index == R600_RING_TYPE_DMA_INDEX) || + (rdev->asic->copy.copy_ring_index == CAYMAN_RING_TYPE_DMA1_INDEX)) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 3dce370adc1b..56140b4e5bb2 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2254,7 +2254,8 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) */ void r600_cp_stop(struct radeon_device *rdev) { - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); WREG32(SCRATCH_UMSK, 0); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; @@ -2612,6 +2613,10 @@ int r600_cp_resume(struct radeon_device *rdev) ring->ready = false; return r; } + + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + return 0; } @@ -2895,12 +2900,6 @@ static int r600_startup(struct radeon_device *rdev) return r; } - r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); - if (r) { - dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); - return r; - } - /* Enable IRQ */ if (!rdev->irq.installed) { r = radeon_irq_kms_init(rdev); @@ -2922,12 +2921,6 @@ static int r600_startup(struct radeon_device *rdev) if (r) return r; - ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; - r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, - DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); - if (r) - return r; - r = r600_cp_load_microcode(rdev); if (r) return r; @@ -2935,10 +2928,6 @@ static int r600_startup(struct radeon_device *rdev) if (r) return r; - r = r600_dma_resume(rdev); - if (r) - return r; - r = radeon_ib_pool_init(rdev); if (r) { dev_err(rdev->dev, "IB initialization failed (%d).\n", r); @@ -2997,7 +2986,6 @@ int r600_suspend(struct radeon_device *rdev) radeon_pm_suspend(rdev); r600_audio_fini(rdev); r600_cp_stop(rdev); - r600_dma_stop(rdev); r600_irq_suspend(rdev); radeon_wb_disable(rdev); r600_pcie_gart_disable(rdev); @@ -3077,9 +3065,6 @@ int r600_init(struct radeon_device *rdev) rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); - rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL; - r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024); - rdev->ih.ring_obj = NULL; r600_ih_ring_init(rdev, 64 * 1024); @@ -3092,7 +3077,6 @@ int r600_init(struct radeon_device *rdev) if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); r600_cp_fini(rdev); - r600_dma_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); @@ -3109,7 +3093,6 @@ void r600_fini(struct radeon_device *rdev) radeon_pm_fini(rdev); r600_audio_fini(rdev); r600_cp_fini(rdev); - r600_dma_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c index 3452c8410bd7..b2d4c91e6272 100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@ -100,7 +100,8 @@ void r600_dma_stop(struct radeon_device *rdev) { u32 rb_cntl = RREG32(DMA_RB_CNTL); - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if (rdev->asic->copy.copy_ring_index == R600_RING_TYPE_DMA_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); rb_cntl &= ~DMA_RB_ENABLE; WREG32(DMA_RB_CNTL, rb_cntl); @@ -187,7 +188,8 @@ int r600_dma_resume(struct radeon_device *rdev) return r; } - radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + if (rdev->asic->copy.copy_ring_index == R600_RING_TYPE_DMA_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index c5519ca4bbc4..4a8ac1cd6b4c 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -867,6 +867,8 @@ struct radeon_vm { struct radeon_fence *fence; /* last flush or NULL if we still need to flush */ struct radeon_fence *last_flush; + /* last use of vmid */ + struct radeon_fence *last_id_use; }; struct radeon_vm_manager { diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index f48bd6dc10cd..30844814c25a 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -3938,6 +3938,10 @@ void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev) /* tell the bios not to handle mode switching */ bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH; + /* clear the vbios dpms state */ + if (ASIC_IS_DCE4(rdev)) + bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE; + if (rdev->family >= CHIP_R600) { WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch); WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch); diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index a8e3342fd4a9..dfb5a1db87d4 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -138,7 +138,7 @@ static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority p->ring = R600_RING_TYPE_DMA_INDEX; else p->ring = CAYMAN_RING_TYPE_DMA1_INDEX; - } else if (p->rdev->family >= CHIP_R600) { + } else if (p->rdev->family >= CHIP_RV770) { p->ring = R600_RING_TYPE_DMA_INDEX; } else { return -EINVAL; diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 1235a78fbba1..ec8c388eec17 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -405,6 +405,9 @@ static int radeon_pmops_runtime_suspend(struct device *dev) if (radeon_runtime_pm == 0) return -EINVAL; + if (radeon_runtime_pm == -1 && !radeon_is_px()) + return -EINVAL; + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev); vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); @@ -427,6 +430,9 @@ static int radeon_pmops_runtime_resume(struct device *dev) if (radeon_runtime_pm == 0) return -EINVAL; + if (radeon_runtime_pm == -1 && !radeon_is_px()) + return -EINVAL; + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; pci_set_power_state(pdev, PCI_D0); diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 866744e47cfa..c37cb79a9489 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -121,7 +121,7 @@ int radeon_fence_emit(struct radeon_device *rdev, (*fence)->seq = ++rdev->fence_drv[ring].sync_seq[ring]; (*fence)->ring = ring; radeon_fence_ring_emit(rdev, ring, *fence); - trace_radeon_fence_emit(rdev->ddev, (*fence)->seq); + trace_radeon_fence_emit(rdev->ddev, ring, (*fence)->seq); return 0; } @@ -313,7 +313,7 @@ static int radeon_fence_wait_seq(struct radeon_device *rdev, u64 *target_seq, continue; last_seq[i] = atomic64_read(&rdev->fence_drv[i].last_seq); - trace_radeon_fence_wait_begin(rdev->ddev, target_seq[i]); + trace_radeon_fence_wait_begin(rdev->ddev, i, target_seq[i]); radeon_irq_kms_sw_irq_get(rdev, i); } @@ -332,7 +332,7 @@ static int radeon_fence_wait_seq(struct radeon_device *rdev, u64 *target_seq, continue; radeon_irq_kms_sw_irq_put(rdev, i); - trace_radeon_fence_wait_end(rdev->ddev, target_seq[i]); + trace_radeon_fence_wait_end(rdev->ddev, i, target_seq[i]); } if (unlikely(r < 0)) diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 96e440061bdb..a8f9b463bf2a 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -713,7 +713,7 @@ struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev, unsigned i; /* check if the id is still valid */ - if (vm->fence && vm->fence == rdev->vm_manager.active[vm->id]) + if (vm->last_id_use && vm->last_id_use == rdev->vm_manager.active[vm->id]) return NULL; /* we definately need to flush */ @@ -726,6 +726,7 @@ struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev, if (fence == NULL) { /* found a free one */ vm->id = i; + trace_radeon_vm_grab_id(vm->id, ring); return NULL; } @@ -769,6 +770,9 @@ void radeon_vm_fence(struct radeon_device *rdev, radeon_fence_unref(&vm->fence); vm->fence = radeon_fence_ref(fence); + + radeon_fence_unref(&vm->last_id_use); + vm->last_id_use = radeon_fence_ref(fence); } /** @@ -1303,6 +1307,8 @@ void radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm) { vm->id = 0; vm->fence = NULL; + vm->last_flush = NULL; + vm->last_id_use = NULL; mutex_init(&vm->mutex); INIT_LIST_HEAD(&vm->list); INIT_LIST_HEAD(&vm->va); @@ -1341,5 +1347,6 @@ void radeon_vm_fini(struct radeon_device *rdev, struct radeon_vm *vm) } radeon_fence_unref(&vm->fence); radeon_fence_unref(&vm->last_flush); + radeon_fence_unref(&vm->last_id_use); mutex_unlock(&vm->mutex); } diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h index 0473257d4078..f749f2c3bbdb 100644 --- a/drivers/gpu/drm/radeon/radeon_trace.h +++ b/drivers/gpu/drm/radeon/radeon_trace.h @@ -106,42 +106,45 @@ TRACE_EVENT(radeon_vm_set_page, DECLARE_EVENT_CLASS(radeon_fence_request, - TP_PROTO(struct drm_device *dev, u32 seqno), + TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - TP_ARGS(dev, seqno), + TP_ARGS(dev, ring, seqno), TP_STRUCT__entry( __field(u32, dev) + __field(int, ring) __field(u32, seqno) ), TP_fast_assign( __entry->dev = dev->primary->index; + __entry->ring = ring; __entry->seqno = seqno; ), - TP_printk("dev=%u, seqno=%u", __entry->dev, __entry->seqno) + TP_printk("dev=%u, ring=%d, seqno=%u", + __entry->dev, __entry->ring, __entry->seqno) ); DEFINE_EVENT(radeon_fence_request, radeon_fence_emit, - TP_PROTO(struct drm_device *dev, u32 seqno), + TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - TP_ARGS(dev, seqno) + TP_ARGS(dev, ring, seqno) ); DEFINE_EVENT(radeon_fence_request, radeon_fence_wait_begin, - TP_PROTO(struct drm_device *dev, u32 seqno), + TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - TP_ARGS(dev, seqno) + TP_ARGS(dev, ring, seqno) ); DEFINE_EVENT(radeon_fence_request, radeon_fence_wait_end, - TP_PROTO(struct drm_device *dev, u32 seqno), + TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - TP_ARGS(dev, seqno) + TP_ARGS(dev, ring, seqno) ); DECLARE_EVENT_CLASS(radeon_semaphore_request, diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 18e02889ec7d..6c772e58c784 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1071,7 +1071,8 @@ static void rv770_mc_program(struct radeon_device *rdev) */ void r700_cp_stop(struct radeon_device *rdev) { - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); WREG32(SCRATCH_UMSK, 0); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 07ce58716e44..09ec4f6c53bb 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3249,7 +3249,8 @@ static void si_cp_enable(struct radeon_device *rdev, bool enable) if (enable) WREG32(CP_ME_CNTL, 0); else { - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT)); WREG32(SCRATCH_UMSK, 0); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; @@ -3510,6 +3511,9 @@ static int si_cp_resume(struct radeon_device *rdev) si_enable_gui_idle_interrupt(rdev, true); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + return 0; } @@ -5678,7 +5682,7 @@ static void si_disable_interrupt_state(struct radeon_device *rdev) } if (!ASIC_IS_NODCE(rdev)) { - WREG32(DACA_AUTODETECT_INT_CONTROL, 0); + WREG32(DAC_AUTODETECT_INT_CONTROL, 0); tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD1_INT_CONTROL, tmp); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 36a5da4791ce..0471501338fb 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -3590,10 +3590,9 @@ static void si_program_display_gap(struct radeon_device *rdev) /* Setting this to false forces the performance state to low if the crtcs are disabled. * This can be a problem on PowerXpress systems or if you want to use the card - * for offscreen rendering or compute if there are no crtcs enabled. Set it to - * true for now so that performance scales even if the displays are off. + * for offscreen rendering or compute if there are no crtcs enabled. */ - si_notify_smc_display_change(rdev, true /*rdev->pm.dpm.new_active_crtc_count > 0*/); + si_notify_smc_display_change(rdev, rdev->pm.dpm.new_active_crtc_count > 0); } static void si_enable_spread_spectrum(struct radeon_device *rdev, bool enable) diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index caa3e61a38c2..9239a6d29128 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -822,7 +822,7 @@ # define GRPH_PFLIP_INT_MASK (1 << 0) # define GRPH_PFLIP_INT_TYPE (1 << 8) -#define DACA_AUTODETECT_INT_CONTROL 0x66c8 +#define DAC_AUTODETECT_INT_CONTROL 0x67c8 #define DC_HPD1_INT_STATUS 0x601c #define DC_HPD2_INT_STATUS 0x6028 diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 386f3b4b0094..9336006b475d 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1100,8 +1100,6 @@ static int tegra_dc_init(struct host1x_client *client) struct tegra_dc *dc = host1x_client_to_dc(client); int err; - dc->pipe = tegra->drm->mode_config.num_crtc; - drm_crtc_init(tegra->drm, &dc->base, &tegra_crtc_funcs); drm_mode_crtc_set_gamma_size(&dc->base, 256); drm_crtc_helper_add(&dc->base, &tegra_crtc_helper_funcs); @@ -1187,6 +1185,41 @@ static const struct of_device_id tegra_dc_of_match[] = { } }; +static int tegra_dc_parse_dt(struct tegra_dc *dc) +{ + struct device_node *np; + u32 value = 0; + int err; + + err = of_property_read_u32(dc->dev->of_node, "nvidia,head", &value); + if (err < 0) { + dev_err(dc->dev, "missing \"nvidia,head\" property\n"); + + /* + * If the nvidia,head property isn't present, try to find the + * correct head number by looking up the position of this + * display controller's node within the device tree. Assuming + * that the nodes are ordered properly in the DTS file and + * that the translation into a flattened device tree blob + * preserves that ordering this will actually yield the right + * head number. + * + * If those assumptions don't hold, this will still work for + * cases where only a single display controller is used. + */ + for_each_matching_node(np, tegra_dc_of_match) { + if (np == dc->dev->of_node) + break; + + value++; + } + } + + dc->pipe = value; + + return 0; +} + static int tegra_dc_probe(struct platform_device *pdev) { const struct of_device_id *id; @@ -1207,6 +1240,10 @@ static int tegra_dc_probe(struct platform_device *pdev) dc->dev = &pdev->dev; dc->soc = id->data; + err = tegra_dc_parse_dt(dc); + if (err < 0) + return err; + dc->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(dc->clk)) { dev_err(&pdev->dev, "failed to get clock\n"); diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index bc9cb1ac709b..6928015d11a4 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -1418,9 +1418,6 @@ static int tegra_hdmi_probe(struct platform_device *pdev) return err; regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!regs) - return -ENXIO; - hdmi->regs = devm_ioremap_resource(&pdev->dev, regs); if (IS_ERR(hdmi->regs)) return PTR_ERR(hdmi->regs); diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index f1b5030f55e3..57cecbd18ca8 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -18,6 +18,10 @@ static int tegra_connector_get_modes(struct drm_connector *connector) struct edid *edid = NULL; int err = 0; + /* + * If the panel provides one or more modes, use them exclusively and + * ignore any other means of obtaining a mode. + */ if (output->panel) { err = output->panel->funcs->get_modes(output->panel); if (err > 0) @@ -187,8 +191,7 @@ int tegra_output_probe(struct tegra_output *output) { struct device_node *ddc, *panel; enum of_gpio_flags flags; - size_t size; - int err; + int err, size; if (!output->of_node) output->of_node = output->dev->of_node; diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 03885bb8dcc0..338f7f6561d7 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -258,7 +258,7 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) * RGB outputs are an exception, so we make sure they can be attached * to only their parent display controller. */ - rgb->output.encoder.possible_crtcs = 1 << dc->pipe; + rgb->output.encoder.possible_crtcs = drm_crtc_mask(&dc->base); return 0; } diff --git a/drivers/gpu/host1x/hw/intr_hw.c b/drivers/gpu/host1x/hw/intr_hw.c index b26dcc83bc1b..db9017adfe2b 100644 --- a/drivers/gpu/host1x/hw/intr_hw.c +++ b/drivers/gpu/host1x/hw/intr_hw.c @@ -20,7 +20,6 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> -#include <asm/mach/irq.h> #include "../intr.h" #include "../dev.h" diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 78be66176840..942509892895 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -52,7 +52,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius"); #define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */ #define NUM_REAL_CORES 32 /* Number of Real cores per cpu */ -#define CORETEMP_NAME_LENGTH 17 /* String Length of attrs */ +#define CORETEMP_NAME_LENGTH 19 /* String Length of attrs */ #define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */ #define TOTAL_ATTRS (MAX_CORE_ATTRS + 1) #define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO) diff --git a/drivers/md/md.c b/drivers/md/md.c index 21f4d7ff0da2..369d919bdafe 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1077,6 +1077,7 @@ static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev) rdev->raid_disk = -1; clear_bit(Faulty, &rdev->flags); clear_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); clear_bit(WriteMostly, &rdev->flags); if (mddev->raid_disks == 0) { @@ -1155,6 +1156,8 @@ static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev) */ if (ev1 < mddev->bitmap->events_cleared) return 0; + if (ev1 < mddev->events) + set_bit(Bitmap_sync, &rdev->flags); } else { if (ev1 < mddev->events) /* just a hot-add of a new device, leave raid_disk at -1 */ @@ -1563,6 +1566,7 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) rdev->raid_disk = -1; clear_bit(Faulty, &rdev->flags); clear_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); clear_bit(WriteMostly, &rdev->flags); if (mddev->raid_disks == 0) { @@ -1645,6 +1649,8 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) */ if (ev1 < mddev->bitmap->events_cleared) return 0; + if (ev1 < mddev->events) + set_bit(Bitmap_sync, &rdev->flags); } else { if (ev1 < mddev->events) /* just a hot-add of a new device, leave raid_disk at -1 */ @@ -2788,6 +2794,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) else rdev->saved_raid_disk = -1; clear_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); err = rdev->mddev->pers-> hot_add_disk(rdev->mddev, rdev); if (err) { @@ -5760,6 +5767,7 @@ static int add_new_disk(struct mddev * mddev, mdu_disk_info_t *info) info->raid_disk < mddev->raid_disks) { rdev->raid_disk = info->raid_disk; set_bit(In_sync, &rdev->flags); + clear_bit(Bitmap_sync, &rdev->flags); } else rdev->raid_disk = -1; } else @@ -7706,7 +7714,8 @@ static int remove_and_add_spares(struct mddev *mddev, if (test_bit(Faulty, &rdev->flags)) continue; if (mddev->ro && - rdev->saved_raid_disk < 0) + ! (rdev->saved_raid_disk >= 0 && + !test_bit(Bitmap_sync, &rdev->flags))) continue; rdev->recovery_offset = 0; @@ -7787,9 +7796,12 @@ void md_check_recovery(struct mddev *mddev) * As we only add devices that are already in-sync, * we can activate the spares immediately. */ - clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); remove_and_add_spares(mddev, NULL); - mddev->pers->spare_active(mddev); + /* There is no thread, but we need to call + * ->spare_active and clear saved_raid_disk + */ + md_reap_sync_thread(mddev); + clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery); goto unlock; } diff --git a/drivers/md/md.h b/drivers/md/md.h index 2f5cc8a7ef3e..0095ec84ffc7 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -129,6 +129,9 @@ struct md_rdev { enum flag_bits { Faulty, /* device is known to have a fault */ In_sync, /* device is in_sync with rest of array */ + Bitmap_sync, /* ..actually, not quite In_sync. Need a + * bitmap-based recovery to get fully in sync + */ Unmerged, /* device is being added to array and should * be considerred for bvec_merge_fn but not * yet for actual IO diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 1e5a540995e9..a49cfcc7a343 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -924,9 +924,8 @@ static sector_t wait_barrier(struct r1conf *conf, struct bio *bio) conf->next_window_requests++; else conf->current_window_requests++; - } - if (bio->bi_sector >= conf->start_next_window) sector = conf->start_next_window; + } } conf->nr_pending++; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index c504e8389e69..06eeb99ea6fc 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1319,7 +1319,7 @@ read_again: /* Could not read all from this device, so we will * need another r10_bio. */ - sectors_handled = (r10_bio->sectors + max_sectors + sectors_handled = (r10_bio->sector + max_sectors - bio->bi_sector); r10_bio->sectors = max_sectors; spin_lock_irq(&conf->device_lock); @@ -1327,7 +1327,7 @@ read_again: bio->bi_phys_segments = 2; else bio->bi_phys_segments++; - spin_unlock(&conf->device_lock); + spin_unlock_irq(&conf->device_lock); /* Cannot call generic_make_request directly * as that will be queued in __generic_make_request * and subsequent mempool_alloc might block @@ -3218,10 +3218,6 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, if (j == conf->copies) { /* Cannot recover, so abort the recovery or * record a bad block */ - put_buf(r10_bio); - if (rb2) - atomic_dec(&rb2->remaining); - r10_bio = rb2; if (any_working) { /* problem is that there are bad blocks * on other device(s) @@ -3253,6 +3249,10 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, mirror->recovery_disabled = mddev->recovery_disabled; } + put_buf(r10_bio); + if (rb2) + atomic_dec(&rb2->remaining); + r10_bio = rb2; break; } } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index cc055da02e2a..cbb15716a5db 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -687,7 +687,8 @@ get_active_stripe(struct r5conf *conf, sector_t sector, } else { if (!test_bit(STRIPE_HANDLE, &sh->state)) atomic_inc(&conf->active_stripes); - BUG_ON(list_empty(&sh->lru)); + BUG_ON(list_empty(&sh->lru) && + !test_bit(STRIPE_EXPANDING, &sh->state)); list_del_init(&sh->lru); if (sh->group) { sh->group->stripes_cnt--; @@ -3608,7 +3609,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) */ set_bit(R5_Insync, &dev->flags); - if (rdev && test_bit(R5_WriteError, &dev->flags)) { + if (test_bit(R5_WriteError, &dev->flags)) { /* This flag does not apply to '.replacement' * only to .rdev, so make sure to check that*/ struct md_rdev *rdev2 = rcu_dereference( @@ -3621,7 +3622,7 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) } else clear_bit(R5_WriteError, &dev->flags); } - if (rdev && test_bit(R5_MadeGood, &dev->flags)) { + if (test_bit(R5_MadeGood, &dev->flags)) { /* This flag does not apply to '.replacement' * only to .rdev, so make sure to check that*/ struct md_rdev *rdev2 = rcu_dereference( diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 8b3107b2fcc1..0067b975873f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12942,25 +12942,26 @@ static void __bnx2x_remove(struct pci_dev *pdev, pci_set_power_state(pdev, PCI_D3hot); } - if (bp->regview) - iounmap(bp->regview); + if (remove_netdev) { + if (bp->regview) + iounmap(bp->regview); - /* for vf doorbells are part of the regview and were unmapped along with - * it. FW is only loaded by PF. - */ - if (IS_PF(bp)) { - if (bp->doorbells) - iounmap(bp->doorbells); + /* For vfs, doorbells are part of the regview and were unmapped + * along with it. FW is only loaded by PF. + */ + if (IS_PF(bp)) { + if (bp->doorbells) + iounmap(bp->doorbells); - bnx2x_release_firmware(bp); - } - bnx2x_free_mem_bp(bp); + bnx2x_release_firmware(bp); + } + bnx2x_free_mem_bp(bp); - if (remove_netdev) free_netdev(dev); - if (atomic_read(&pdev->enable_cnt) == 1) - pci_release_regions(pdev); + if (atomic_read(&pdev->enable_cnt) == 1) + pci_release_regions(pdev); + } pci_disable_device(pdev); } diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index cb05be905def..81e8402a74b4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -423,7 +423,7 @@ u64 cxgb4_select_ntuple(struct net_device *dev, * in the Compressed Filter Tuple. */ if (tp->vlan_shift >= 0 && l2t->vlan != VLAN_NONE) - ntuple |= (F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; + ntuple |= (u64)(F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; if (tp->port_shift >= 0) ntuple |= (u64)l2t->lport << tp->port_shift; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index bf40fdaecfa3..a37039d353c5 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1776,6 +1776,7 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; struct be_queue_info *rxq = &rxo->q; struct page *pagep = NULL; + struct device *dev = &adapter->pdev->dev; struct be_eth_rx_d *rxd; u64 page_dmaaddr = 0, frag_dmaaddr; u32 posted, page_offset = 0; @@ -1788,9 +1789,15 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) rx_stats(rxo)->rx_post_fail++; break; } - page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, - 0, adapter->big_page_size, + page_dmaaddr = dma_map_page(dev, pagep, 0, + adapter->big_page_size, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, page_dmaaddr)) { + put_page(pagep); + pagep = NULL; + rx_stats(rxo)->rx_post_fail++; + break; + } page_info->page_offset = 0; } else { get_page(pagep); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index c30d41d6e426..6d14eea17918 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6174,7 +6174,7 @@ static int __e1000_resume(struct pci_dev *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int e1000_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -6193,7 +6193,7 @@ static int e1000_resume(struct device *dev) return __e1000_resume(pdev); } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ #ifdef CONFIG_PM_RUNTIME static int e1000_runtime_suspend(struct device *dev) @@ -7015,13 +7015,11 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = { }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); -#ifdef CONFIG_PM static const struct dev_pm_ops e1000_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume) SET_RUNTIME_PM_OPS(e1000_runtime_suspend, e1000_runtime_resume, e1000_idle) }; -#endif /* PCI Device API Driver */ static struct pci_driver e1000_driver = { @@ -7029,11 +7027,9 @@ static struct pci_driver e1000_driver = { .id_table = e1000_pci_tbl, .probe = e1000_probe, .remove = e1000_remove, -#ifdef CONFIG_PM .driver = { .pm = &e1000_pm_ops, }, -#endif .shutdown = e1000_shutdown, .err_handler = &e1000_err_handler }; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 449f506d2e8f..f705aeeba767 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4765,6 +4765,8 @@ static int qlge_probe(struct pci_dev *pdev, NETIF_F_RXCSUM; ndev->features = ndev->hw_features; ndev->vlan_features = ndev->hw_features; + /* vlan gets same features (except vlan filter) */ + ndev->vlan_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; if (test_bit(QL_DMA64, &qdev->flags)) ndev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index cce6c4bc556a..ef312bc6b865 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1618,6 +1618,7 @@ static void rhine_reset_task(struct work_struct *work) goto out_unlock; napi_disable(&rp->napi); + netif_tx_disable(dev); spin_lock_bh(&rp->lock); /* clear all descriptors */ diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 14aa48fa8d7e..e80219877730 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -614,6 +614,18 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x9621), /* DM9621A USB to Fast Ethernet Adapter */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0a46, 0x9622), /* DM9622 USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, + { + USB_DEVICE(0x0a46, 0x0269), /* DM962OA USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, + { + USB_DEVICE(0x0a46, 0x1269), /* DM9621A USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 8494bb53ebdc..aba04f561760 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1245,7 +1245,7 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) return -ENOMEM; urb->num_sgs = num_sgs; - sg_init_table(urb->sg, urb->num_sgs); + sg_init_table(urb->sg, urb->num_sgs + 1); sg_set_buf(&urb->sg[s++], skb->data, skb_headlen(skb)); total_len += skb_headlen(skb); diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c index 114f5ef4b73a..2832576d8b12 100644 --- a/drivers/pinctrl/pinctrl-baytrail.c +++ b/drivers/pinctrl/pinctrl-baytrail.c @@ -512,7 +512,6 @@ static const struct dev_pm_ops byt_gpio_pm_ops = { static const struct acpi_device_id byt_gpio_acpi_match[] = { { "INT33B2", 0 }, - { "INT33FC", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, byt_gpio_acpi_match); diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 4ec59ca72e5d..91c687fd002e 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -3691,7 +3691,6 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); - pm_runtime_irq_safe(&pdev->dev); r = dispc_runtime_get(); if (r) diff --git a/fs/dcache.c b/fs/dcache.c index 6055d61811d3..cb4a10690868 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -3061,8 +3061,13 @@ char *d_path(const struct path *path, char *buf, int buflen) * thus don't need to be hashed. They also don't need a name until a * user wants to identify the object in /proc/pid/fd/. The little hack * below allows us to generate a name for these objects on demand: + * + * Some pseudo inodes are mountable. When they are mounted + * path->dentry == path->mnt->mnt_root. In that case don't call d_dname + * and instead have d_path return the mounted path. */ - if (path->dentry->d_op && path->dentry->d_op->d_dname) + if (path->dentry->d_op && path->dentry->d_op->d_dname && + (!IS_ROOT(path->dentry) || path->dentry != path->mnt->mnt_root)) return path->dentry->d_op->d_dname(path->dentry, buf, buflen); rcu_read_lock(); diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 1f4a10ece2f1..e0259a163f98 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -516,13 +516,16 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb, } WARN_ON(inode->i_state & I_SYNC); /* - * Skip inode if it is clean. We don't want to mess with writeback - * lists in this function since flusher thread may be doing for example - * sync in parallel and if we move the inode, it could get skipped. So - * here we make sure inode is on some writeback list and leave it there - * unless we have completely cleaned the inode. + * Skip inode if it is clean and we have no outstanding writeback in + * WB_SYNC_ALL mode. We don't want to mess with writeback lists in this + * function since flusher thread may be doing for example sync in + * parallel and if we move the inode, it could get skipped. So here we + * make sure inode is on some writeback list and leave it there unless + * we have completely cleaned the inode. */ - if (!(inode->i_state & I_DIRTY)) + if (!(inode->i_state & I_DIRTY) && + (wbc->sync_mode != WB_SYNC_ALL || + !mapping_tagged(inode->i_mapping, PAGECACHE_TAG_WRITEBACK))) goto out; inode->i_state |= I_SYNC; spin_unlock(&inode->i_lock); diff --git a/fs/namespace.c b/fs/namespace.c index ac2ce8a766e1..be32ebccdeb1 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2886,7 +2886,7 @@ bool fs_fully_visible(struct file_system_type *type) struct inode *inode = child->mnt_mountpoint->d_inode; if (!S_ISDIR(inode->i_mode)) goto next; - if (inode->i_nlink != 2) + if (inode->i_nlink > 2) goto next; } visible = true; diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 9f6b486b6c01..a1a191634abc 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1440,17 +1440,19 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci, nilfs_clear_logs(&sci->sc_segbufs); - err = nilfs_segctor_extend_segments(sci, nilfs, nadd); - if (unlikely(err)) - return err; - if (sci->sc_stage.flags & NILFS_CF_SUFREED) { err = nilfs_sufile_cancel_freev(nilfs->ns_sufile, sci->sc_freesegs, sci->sc_nfreesegs, NULL); WARN_ON(err); /* do not happen */ + sci->sc_stage.flags &= ~NILFS_CF_SUFREED; } + + err = nilfs_segctor_extend_segments(sci, nilfs, nadd); + if (unlikely(err)) + return err; + nadd = min_t(int, nadd << 1, SC_MAX_SEGDELTA); sci->sc_stage = prev_stage; } diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index e963470efd39..71727b6210ae 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -931,6 +931,19 @@ extern int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, const struct drm_crtc_funcs *funcs); extern void drm_crtc_cleanup(struct drm_crtc *crtc); +extern unsigned int drm_crtc_index(struct drm_crtc *crtc); + +/** + * drm_crtc_mask - find the mask of a registered CRTC + * @crtc: CRTC to find mask for + * + * Given a registered CRTC, return the mask bit of that CRTC for an + * encoder's possible_crtcs field. + */ +static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc) +{ + return 1 << drm_crtc_index(crtc); +} extern void drm_connector_ida_init(void); extern void drm_connector_ida_destroy(void); @@ -952,6 +965,19 @@ extern int drm_encoder_init(struct drm_device *dev, const struct drm_encoder_funcs *funcs, int encoder_type); +/** + * drm_encoder_crtc_ok - can a given crtc drive a given encoder? + * @encoder: encoder to test + * @crtc: crtc to test + * + * Return false if @encoder can't be driven by @crtc, true otherwise. + */ +static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder, + struct drm_crtc *crtc) +{ + return !!(encoder->possible_crtcs & drm_crtc_mask(crtc)); +} + extern int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, unsigned long possible_crtcs, diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index fe68a5a98583..7032518f8542 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -6,6 +6,8 @@ #include <linux/proc_fs.h> #include <linux/elf.h> +#include <asm/pgtable.h> /* for pgprot_t */ + #define ELFCORE_ADDR_MAX (-1ULL) #define ELFCORE_ADDR_ERR (-2ULL) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index eff50e062be8..d9c8dbd3373f 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -445,7 +445,7 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data) static inline struct i2c_adapter * i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter) { -#if IS_ENABLED(I2C_MUX) +#if IS_ENABLED(CONFIG_I2C_MUX) struct device *parent = adapter->dev.parent; if (parent != NULL && parent->type == &i2c_adapter_type) diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index cf87a24c0f92..535f158977b9 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -117,15 +117,15 @@ repeat: } /** - * read_seqcount_begin_no_lockdep - start seq-read critical section w/o lockdep + * raw_read_seqcount_begin - start seq-read critical section w/o lockdep * @s: pointer to seqcount_t * Returns: count to be passed to read_seqcount_retry * - * read_seqcount_begin_no_lockdep opens a read critical section of the given + * raw_read_seqcount_begin opens a read critical section of the given * seqcount, but without any lockdep checking. Validity of the critical * section is tested by checking read_seqcount_retry function. */ -static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s) +static inline unsigned raw_read_seqcount_begin(const seqcount_t *s) { unsigned ret = __read_seqcount_begin(s); smp_rmb(); @@ -144,7 +144,7 @@ static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s) static inline unsigned read_seqcount_begin(const seqcount_t *s) { seqcount_lockdep_reader_access(s); - return read_seqcount_begin_no_lockdep(s); + return raw_read_seqcount_begin(s); } /** @@ -206,14 +206,26 @@ static inline int read_seqcount_retry(const seqcount_t *s, unsigned start) } + +static inline void raw_write_seqcount_begin(seqcount_t *s) +{ + s->sequence++; + smp_wmb(); +} + +static inline void raw_write_seqcount_end(seqcount_t *s) +{ + smp_wmb(); + s->sequence++; +} + /* * Sequence counter only version assumes that callers are using their * own mutexing. */ static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass) { - s->sequence++; - smp_wmb(); + raw_write_seqcount_begin(s); seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_); } @@ -225,8 +237,7 @@ static inline void write_seqcount_begin(seqcount_t *s) static inline void write_seqcount_end(seqcount_t *s) { seqcount_release(&s->dep_map, 1, _RET_IP_); - smp_wmb(); - s->sequence++; + raw_write_seqcount_end(s); } /** diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 76d54270f2e2..65bb13035598 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -165,7 +165,6 @@ struct inet6_dev { struct net_device *dev; struct list_head addr_list; - int valid_ll_addr_cnt; struct ifmcaddr6 *mc_list; struct ifmcaddr6 *mc_tomb; diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 52aed893710a..126bfaa8bb6b 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -721,7 +721,7 @@ struct drm_i915_gem_execbuffer2 { */ #define I915_EXEC_IS_PINNED (1<<10) -/** Provide a hint to the kernel that the command stream and auxilliary +/** Provide a hint to the kernel that the command stream and auxiliary * state buffers already holds the correct presumed addresses and so the * relocation process may be skipped if no buffers need to be moved in * preparation for the execbuffer. diff --git a/kernel/fork.c b/kernel/fork.c index 5721f0e3f2da..dfa736c98d17 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1172,7 +1172,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, * do not allow it to share a thread group or signal handlers or * parent with the forking task. */ - if (clone_flags & (CLONE_SIGHAND | CLONE_PARENT)) { + if (clone_flags & CLONE_SIGHAND) { if ((clone_flags & (CLONE_NEWUSER | CLONE_NEWPID)) || (task_active_pid_ns(current) != current->nsproxy->pid_ns_for_children)) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c7395d97e4cb..e64b0794060e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3923,7 +3923,7 @@ static long effective_load(struct task_group *tg, int cpu, long wl, long wg) { struct sched_entity *se = tg->se[cpu]; - if (!tg->parent || !wl) /* the trivial, non-cgroup case */ + if (!tg->parent) /* the trivial, non-cgroup case */ return wl; for_each_sched_entity(se) { diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c index 68b799375981..0abb36464281 100644 --- a/kernel/time/sched_clock.c +++ b/kernel/time/sched_clock.c @@ -74,7 +74,7 @@ unsigned long long notrace sched_clock(void) return cd.epoch_ns; do { - seq = read_seqcount_begin(&cd.seq); + seq = raw_read_seqcount_begin(&cd.seq); epoch_cyc = cd.epoch_cyc; epoch_ns = cd.epoch_ns; } while (read_seqcount_retry(&cd.seq, seq)); @@ -99,10 +99,10 @@ static void notrace update_sched_clock(void) cd.mult, cd.shift); raw_local_irq_save(flags); - write_seqcount_begin(&cd.seq); + raw_write_seqcount_begin(&cd.seq); cd.epoch_ns = ns; cd.epoch_cyc = cyc; - write_seqcount_end(&cd.seq); + raw_write_seqcount_end(&cd.seq); raw_local_irq_restore(flags); } diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index 7473ee3b4ee7..8280a5dd1727 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -82,10 +82,10 @@ void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch) unsigned long flags; raw_spin_lock_irqsave(&fbc->lock, flags); fbc->count += count; + __this_cpu_sub(*fbc->counters, count - amount); raw_spin_unlock_irqrestore(&fbc->lock, flags); - __this_cpu_write(*fbc->counters, 0); } else { - __this_cpu_write(*fbc->counters, count); + this_cpu_add(*fbc->counters, amount); } preempt_enable(); } diff --git a/mm/util.c b/mm/util.c index f7bc2096071c..808f375648e7 100644 --- a/mm/util.c +++ b/mm/util.c @@ -390,7 +390,10 @@ struct address_space *page_mapping(struct page *page) { struct address_space *mapping = page->mapping; - VM_BUG_ON(PageSlab(page)); + /* This happens if someone calls flush_dcache_page on slab page */ + if (unlikely(PageSlab(page))) + return NULL; + if (unlikely(PageSwapCache(page))) { swp_entry_t entry; diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 1511f64a6cea..faba0f61ad53 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -277,7 +277,7 @@ int batadv_max_header_len(void) sizeof(struct batadv_coded_packet)); #endif - return header_len; + return header_len + ETH_HLEN; } /** diff --git a/net/core/filter.c b/net/core/filter.c index 01b780856db2..ad30d626a5bd 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -36,7 +36,6 @@ #include <asm/uaccess.h> #include <asm/unaligned.h> #include <linux/filter.h> -#include <linux/reciprocal_div.h> #include <linux/ratelimit.h> #include <linux/seccomp.h> #include <linux/if_vlan.h> @@ -166,7 +165,7 @@ unsigned int sk_run_filter(const struct sk_buff *skb, A /= X; continue; case BPF_S_ALU_DIV_K: - A = reciprocal_divide(A, K); + A /= K; continue; case BPF_S_ALU_MOD_X: if (X == 0) @@ -553,11 +552,6 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen) /* Some instructions need special checks */ switch (code) { case BPF_S_ALU_DIV_K: - /* check for division by zero */ - if (ftest->k == 0) - return -EINVAL; - ftest->k = reciprocal_value(ftest->k); - break; case BPF_S_ALU_MOD_K: /* check for division by zero */ if (ftest->k == 0) @@ -853,27 +847,7 @@ void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to) to->code = decodes[code]; to->jt = filt->jt; to->jf = filt->jf; - - if (code == BPF_S_ALU_DIV_K) { - /* - * When loaded this rule user gave us X, which was - * translated into R = r(X). Now we calculate the - * RR = r(R) and report it back. If next time this - * value is loaded and RRR = r(RR) is calculated - * then the R == RRR will be true. - * - * One exception. X == 1 translates into R == 0 and - * we can't calculate RR out of it with r(). - */ - - if (filt->k == 0) - to->k = 1; - else - to->k = reciprocal_value(filt->k); - - BUG_ON(reciprocal_value(to->k) != filt->k); - } else - to->k = filt->k; + to->k = filt->k; } int sk_get_filter(struct sock *sk, struct sock_filter __user *ubuf, unsigned int len) diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index d08c7a43dcd1..89b265aea151 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -221,8 +221,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info) if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) { type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]); - if (type >= __IEEE802154_DEV_MAX) - return -EINVAL; + if (type >= __IEEE802154_DEV_MAX) { + rc = -EINVAL; + goto nla_put_failure; + } } dev = phy->add_iface(phy, devname, type); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index a0f52dac8940..e34dccbc4d70 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -930,12 +930,15 @@ skip_listen_ht: spin_lock_bh(lock); sk_nulls_for_each(sk, node, &head->chain) { int res; + int state; if (!net_eq(sock_net(sk), net)) continue; if (num < s_num) goto next_normal; - if (!(r->idiag_states & (1 << sk->sk_state))) + state = (sk->sk_state == TCP_TIME_WAIT) ? + inet_twsk(sk)->tw_substate : sk->sk_state; + if (!(r->idiag_states & (1 << state))) goto next_normal; if (r->sdiag_family != AF_UNSPEC && sk->sk_family != r->sdiag_family) diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 62212c772a4b..1672409f5ba5 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -157,9 +157,12 @@ static struct mr_table *ipmr_get_table(struct net *net, u32 id) static int ipmr_fib_lookup(struct net *net, struct flowi4 *flp4, struct mr_table **mrt) { - struct ipmr_result res; - struct fib_lookup_arg arg = { .result = &res, }; int err; + struct ipmr_result res; + struct fib_lookup_arg arg = { + .result = &res, + .flags = FIB_LOOKUP_NOREF, + }; err = fib_rules_lookup(net->ipv4.mr_rules_ops, flowi4_to_flowi(flp4), 0, &arg); diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 06493736fbc8..098b3a29f6f3 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -22,6 +22,9 @@ int sysctl_tcp_nometrics_save __read_mostly; +static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *addr, + struct net *net, unsigned int hash); + struct tcp_fastopen_metrics { u16 mss; u16 syn_loss:10; /* Recurring Fast Open SYN losses */ @@ -130,16 +133,41 @@ static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst, } } +#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) + +static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) +{ + if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) + tcpm_suck_dst(tm, dst, false); +} + +#define TCP_METRICS_RECLAIM_DEPTH 5 +#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL + static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst, struct inetpeer_addr *addr, - unsigned int hash, - bool reclaim) + unsigned int hash) { struct tcp_metrics_block *tm; struct net *net; + bool reclaim = false; spin_lock_bh(&tcp_metrics_lock); net = dev_net(dst->dev); + + /* While waiting for the spin-lock the cache might have been populated + * with this entry and so we have to check again. + */ + tm = __tcp_get_metrics(addr, net, hash); + if (tm == TCP_METRICS_RECLAIM_PTR) { + reclaim = true; + tm = NULL; + } + if (tm) { + tcpm_check_stamp(tm, dst); + goto out_unlock; + } + if (unlikely(reclaim)) { struct tcp_metrics_block *oldest; @@ -169,17 +197,6 @@ out_unlock: return tm; } -#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) - -static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) -{ - if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) - tcpm_suck_dst(tm, dst, false); -} - -#define TCP_METRICS_RECLAIM_DEPTH 5 -#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL - static struct tcp_metrics_block *tcp_get_encode(struct tcp_metrics_block *tm, int depth) { if (tm) @@ -282,7 +299,6 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, struct inetpeer_addr addr; unsigned int hash; struct net *net; - bool reclaim; addr.family = sk->sk_family; switch (addr.family) { @@ -304,13 +320,10 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, hash = hash_32(hash, net->ipv4.tcp_metrics_hash_log); tm = __tcp_get_metrics(&addr, net, hash); - reclaim = false; - if (tm == TCP_METRICS_RECLAIM_PTR) { - reclaim = true; + if (tm == TCP_METRICS_RECLAIM_PTR) tm = NULL; - } if (!tm && create) - tm = tcpm_new(dst, &addr, hash, reclaim); + tm = tcpm_new(dst, &addr, hash); else tcpm_check_stamp(tm, dst); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index abe46a4228ce..4b6b720971b9 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3189,6 +3189,22 @@ out: in6_ifa_put(ifp); } +/* ifp->idev must be at least read locked */ +static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) +{ + struct inet6_ifaddr *ifpiter; + struct inet6_dev *idev = ifp->idev; + + list_for_each_entry(ifpiter, &idev->addr_list, if_list) { + if (ifp != ifpiter && ifpiter->scope == IFA_LINK && + (ifpiter->flags & (IFA_F_PERMANENT|IFA_F_TENTATIVE| + IFA_F_OPTIMISTIC|IFA_F_DADFAILED)) == + IFA_F_PERMANENT) + return false; + } + return true; +} + static void addrconf_dad_completed(struct inet6_ifaddr *ifp) { struct net_device *dev = ifp->idev->dev; @@ -3208,14 +3224,11 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp) */ read_lock_bh(&ifp->idev->lock); - spin_lock(&ifp->lock); - send_mld = ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL && - ifp->idev->valid_ll_addr_cnt == 1; + send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); send_rs = send_mld && ipv6_accept_ra(ifp->idev) && ifp->idev->cnf.rtr_solicits > 0 && (dev->flags&IFF_LOOPBACK) == 0; - spin_unlock(&ifp->lock); read_unlock_bh(&ifp->idev->lock); /* While dad is in progress mld report's source address is in6_addrany. @@ -4512,19 +4525,6 @@ errout: rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err); } -static void update_valid_ll_addr_cnt(struct inet6_ifaddr *ifp, int count) -{ - write_lock_bh(&ifp->idev->lock); - spin_lock(&ifp->lock); - if (((ifp->flags & (IFA_F_PERMANENT|IFA_F_TENTATIVE|IFA_F_OPTIMISTIC| - IFA_F_DADFAILED)) == IFA_F_PERMANENT) && - (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) - ifp->idev->valid_ll_addr_cnt += count; - WARN_ON(ifp->idev->valid_ll_addr_cnt < 0); - spin_unlock(&ifp->lock); - write_unlock_bh(&ifp->idev->lock); -} - static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) { struct net *net = dev_net(ifp->idev->dev); @@ -4533,8 +4533,6 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) switch (event) { case RTM_NEWADDR: - update_valid_ll_addr_cnt(ifp, 1); - /* * If the address was optimistic * we inserted the route at the start of @@ -4550,8 +4548,6 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) ifp->idev->dev, 0, 0); break; case RTM_DELADDR: - update_valid_ll_addr_cnt(ifp, -1); - if (ifp->idev->cnf.forwarding) addrconf_leave_anycast(ifp); addrconf_leave_solict(ifp->idev, &ifp->addr); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index f365310bfcca..0eb4038a4d63 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -141,9 +141,12 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id) static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6, struct mr6_table **mrt) { - struct ip6mr_result res; - struct fib_lookup_arg arg = { .result = &res, }; int err; + struct ip6mr_result res; + struct fib_lookup_arg arg = { + .result = &res, + .flags = FIB_LOOKUP_NOREF, + }; err = fib_rules_lookup(net->ipv6.mr6_rules_ops, flowi6_to_flowi(flp6), 0, &arg); diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 8eb9501e3d60..b7ebe23cdedf 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -421,8 +421,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, struct rds_ib_refill_cache *cache) { unsigned long flags; - struct list_head *old; - struct list_head __percpu *chpfirst; + struct list_head *old, *chpfirst; local_irq_save(flags); @@ -432,7 +431,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, else /* put on front */ list_add_tail(new_item, chpfirst); - __this_cpu_write(chpfirst, new_item); + __this_cpu_write(cache->percpu->first, new_item); __this_cpu_inc(cache->percpu->count); if (__this_cpu_read(cache->percpu->count) < RDS_IB_RECYCLE_BATCH_COUNT) @@ -452,7 +451,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, } while (old); - __this_cpu_write(chpfirst, NULL); + __this_cpu_write(cache->percpu->first, NULL); __this_cpu_write(cache->percpu->count, 0); end: local_irq_restore(flags); |