| Commit message (Collapse) | Author | Age | Files | Lines |
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There are many locations that do
if (memory_was_allocated_by_vmalloc)
vfree(ptr);
else
kfree(ptr);
but kvfree() can handle both kmalloc()ed memory and vmalloc()ed memory
using is_vmalloc_addr(). Unless callers have special reasons, we can
replace this branch with kvfree(). Please check and reply if you found
problems.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Jan Kara <jack@suse.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Acked-by: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Acked-by: David Rientjes <rientjes@google.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: Boris Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge third patch-bomb from Andrew Morton:
"I'm pretty much done for -rc1 now:
- the rest of MM, basically
- lib/ updates
- checkpatch, epoll, hfs, fatfs, ptrace, coredump, exit
- cpu_mask simplifications
- kexec, rapidio, MAINTAINERS etc, etc.
- more dma-mapping cleanups/simplifications from hch"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
MAINTAINERS: add/fix git URLs for various subsystems
mm: memcontrol: add "sock" to cgroup2 memory.stat
mm: memcontrol: basic memory statistics in cgroup2 memory controller
mm: memcontrol: do not uncharge old page in page cache replacement
Documentation: cgroup: add memory.swap.{current,max} description
mm: free swap cache aggressively if memcg swap is full
mm: vmscan: do not scan anon pages if memcg swap limit is hit
swap.h: move memcg related stuff to the end of the file
mm: memcontrol: replace mem_cgroup_lruvec_online with mem_cgroup_online
mm: vmscan: pass memcg to get_scan_count()
mm: memcontrol: charge swap to cgroup2
mm: memcontrol: clean up alloc, online, offline, free functions
mm: memcontrol: flatten struct cg_proto
mm: memcontrol: rein in the CONFIG space madness
net: drop tcp_memcontrol.c
mm: memcontrol: introduce CONFIG_MEMCG_LEGACY_KMEM
mm: memcontrol: allow to disable kmem accounting for cgroup2
mm: memcontrol: account "kmem" consumers in cgroup2 memory controller
mm: memcontrol: move kmem accounting code to CONFIG_MEMCG
mm: memcontrol: separate kmem code from legacy tcp accounting code
...
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Move the generic implementation to <linux/dma-mapping.h> now that all
architectures support it and remove the HAVE_DMA_ATTR Kconfig symbol now
that everyone supports them.
[valentinrothberg@gmail.com: remove leftovers in Kconfig]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Helge Deller <deller@gmx.de>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"This includes fixes on top of the previous batch of PM+ACPI updates
and some new material as well.
From the new material perspective the most significant are the driver
core changes that should allow USB devices to stay suspended over
system suspend/resume cycles if they have been runtime-suspended
already beforehand. Apart from that, ACPICA is updated to upstream
revision 20160108 (cosmetic mostly, but including one fixup on top of
the previous ACPICA update) and there are some devfreq updates the
didn't make it before (due to timing).
A few recent regressions are fixed, most importantly in the cpuidle
menu governor and in the ACPI backlight driver and some x86 platform
drivers depending on it.
Some more bugs are fixed and cleanups are made on top of that.
Specifics:
- Modify the driver core and the USB subsystem to allow USB devices
to stay suspended over system suspend/resume cycles if they have
been runtime-suspended already beforehand and fix some bugs on top
of these changes (Tomeu Vizoso, Rafael Wysocki).
- Update ACPICA to upstream revision 20160108, including updates of
the ACPICA's copyright notices, a code fixup resulting from a
regression fix that was necessary in the upstream code only (the
regression fixed by it has never been present in Linux) and a
compiler warning fix (Bob Moore, Lv Zheng).
- Fix a recent regression in the cpuidle menu governor that broke it
on practically all architectures other than x86 and make a couple
of optimizations on top of that fix (Rafael Wysocki).
- Clean up the selection of cpuidle governors depending on whether or
not the kernel is configured for tickless systems (Jean Delvare).
- Revert a recent commit that introduced a regression in the ACPI
backlight driver, address the problem it attempted to fix in a
different way and revert one more cosmetic change depending on the
problematic commit (Hans de Goede).
- Add two more ACPI backlight quirks (Hans de Goede).
- Fix a few minor problems in the core devfreq code, clean it up a
bit and update the MAINTAINERS information related to it (Chanwoo
Choi, MyungJoo Ham).
- Improve an error message in the ACPI fan driver (Andy Lutomirski).
- Fix a recent build regression in the cpupower tool (Shreyas
Prabhu)"
* tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
cpuidle: menu: Avoid pointless checks in menu_select()
sched / idle: Drop default_idle_call() fallback from call_cpuidle()
cpupower: Fix build error in cpufreq-info
cpuidle: Don't enable all governors by default
cpuidle: Default to ladder governor on ticking systems
time: nohz: Expose tick_nohz_enabled
ACPICA: Update version to 20160108
ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t'
ACPICA: Additional 2016 copyright changes
ACPICA: Reduce regression fix divergence from upstream ACPICA
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830
ACPI / video: Revert "thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()"
ACPI / video: Document acpi_video_handles_brightness_key_presses() a bit
ACPI / video: Fix using an uninitialized mutex / list_head in acpi_video_handles_brightness_key_presses()
ACPI / video: Revert "ACPI / video: driver must be registered before checking for keypresses"
ACPI / fan: Improve acpi_device_update_power error message
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700
cpuidle: menu: Fix menu_select() for CPUIDLE_DRIVER_STATE_START == 0
MAINTAINERS: Add devfreq-event entry
MAINTAINERS: Add missing git repository and directory for devfreq
...
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* pm-core:
driver core: Avoid NULL pointer dereferences in device_is_bound()
platform: Do not detach from PM domains on shutdown
USB / PM: Allow USB devices to remain runtime-suspended when sleeping
PM / sleep: Go direct_complete if driver has no callbacks
PM / Domains: add setter for dev.pm_domain
device core: add device_is_bound()
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Adds a function that sets the pointer to dev_pm_domain in struct device
and that warns if the device has already finished probing. The reason
why we want to enforce that is because in the general case that can
cause problems and also that we can simplify code quite a bit if we can
always assume that.
This patch also changes all current code that directly sets the
dev.pm_domain pointer.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"The asm-generic tree this time contains one series from Nicolas Pitre
that makes the optimized do_div() implementation from the ARM
architecture available to all architectures.
This also adds stricter type checking for callers of do_div, which has
uncovered a number of bugs in existing code, and fixes up the ones we
have found"
* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
ARM: asm/div64.h: adjust to generic codde
__div64_32(): make it overridable at compile time
__div64_const32(): abstract out the actual 128-bit cross product code
do_div(): generic optimization for constant divisor on 32-bit machines
div64.h: optimize do_div() for power-of-two constant divisors
mtd/sm_ftl.c: fix wrong do_div() usage
drm/mgag200/mgag200_mode.c: fix wrong do_div() usage
hid-sensor-hub.c: fix wrong do_div() usage
ti/fapll: fix wrong do_div() usage
ti/clkt_dpll: fix wrong do_div() usage
tegra/clk-divider: fix wrong do_div() usage
imx/clk-pllv2: fix wrong do_div() usage
imx/clk-pllv1: fix wrong do_div() usage
nouveau/nvkm/subdev/clk/gk20a.c: fix wrong do_div() usage
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do_div() is meant to be used with an unsigned dividend.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
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do_div() must only be used with a u64 dividend.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek:
- Make <modname>-m in makefiles work like <modname>-y and fix the
fallout
- Minor genksyms fix
- Fix race with make -j install modules_install
- Move -Wsign-compare from make W=1 to W=2
- Other minor fixes
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Demote 'sign-compare' warning to W=2
Makefile: revert "Makefile: Document ability to make file.lst and file.S" partially
kbuild: Do not run modules_install and install in paralel
genksyms: Handle string literals with spaces in reference files
fixdep: constify strrcmp arguments
ath10k: Fix build with CONFIG_THERMAL=m
Revert "drm: Hack around CONFIG_AGP=m build failures"
kbuild: Allow to specify composite modules with modname-m
staging/ad7606: Actually build the interface modules
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Kbuild now supports <modname>-m variables.
This reverts commit 8fa884dc355ffd0caa964a284a530bf747df5c77.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Pull virtio barrier rework+fixes from Michael Tsirkin:
"This adds a new kind of barrier, and reworks virtio and xen to use it.
Plus some fixes here and there"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (44 commits)
checkpatch: add virt barriers
checkpatch: check for __smp outside barrier.h
checkpatch.pl: add missing memory barriers
virtio: make find_vqs() checkpatch.pl-friendly
virtio_balloon: fix race between migration and ballooning
virtio_balloon: fix race by fill and leak
s390: more efficient smp barriers
s390: use generic memory barriers
xen/events: use virt_xxx barriers
xen/io: use virt_xxx barriers
xenbus: use virt_xxx barriers
virtio_ring: use virt_store_mb
sh: move xchg_cmpxchg to a header by itself
sh: support 1 and 2 byte xchg
virtio_ring: update weak barriers to use virt_xxx
Revert "virtio_ring: Update weak barriers to use dma_wmb/rmb"
asm-generic: implement virt_xxx memory barriers
x86: define __smp_xxx
xtensa: define __smp_xxx
tile: define __smp_xxx
...
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checkpatch.pl wants arrays of strings declared as follows:
static const char * const names[] = { "vq-1", "vq-2", "vq-3" };
Currently the find_vqs() function takes a const char *names[] argument
so passing checkpatch.pl's const char * const names[] results in a
compiler error due to losing the second const.
This patch adjusts the find_vqs() prototype and updates all virtio
transports. This makes it possible for virtio_balloon.c, virtio_input.c,
virtgpu_kms.c, and virtio_rpmsg_bus.c to use the checkpatch.pl-friendly
type.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
"Summary:
- pxafb: device-tree support
- An unsafe kernel parameter 'lockless_register_fb' for debugging
problems happening while inside the console lock
- Small miscellaneous fixes & cleanups
- omapdss: add writeback support functions
- Separation of omapfb and omapdrm (see below)
About the separation of omapfb and omapdrm, see
http://permalink.gmane.org/gmane.comp.video.dri.devel/143151
for longer story. The short version:
omapfb and omapdrm have shared low level drivers (omapdss and panel
drivers), making further development of omapdrm difficult. After
these patches omapfb and omapdrm have their own versions of the
drivers, which are more or less direct copies for now but will diverge
soon.
This also means that omapfb (everything under drivers/video/fbdev/omap2/)
is now in maintenance mode, and all new development will be done for
omapdrm (drivers/gpu/drm/omapdrm/)"
* tag 'fbdev-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (49 commits)
video: fbdev: pxafb: fix out of memory error path
drm/omap: make omapdrm select OMAP2_DSS
drm/omap: move omapdss & displays under omapdrm
omapfb: move vrfb into omapfb
omapfb: take omapfb's private omapdss into use
omapfb/displays: change CONFIG_DISPLAY_* to CONFIG_FB_OMAP2_*
omapfb/dss: change CONFIG_OMAP* to CONFIG_FB_OMAP*
omapdss: remove CONFIG_OMAP2_DSS_VENC from omapdss.h
omapfb: copy omapdss & displays for omapfb
omapfb: allow compilation only if DRM_OMAP is disabled
fbdev: omap2: panel-dpi: simplify gpio setting
fbdev: omap2: panel-dpi: in .disable first disable backlight then display
OMAPDSS: DSS: fix a warning message
video: omapdss: delete unneeded of_node_put
OMAPDSS: DISPC: Remove boolean comparisons
OMAPDSS: DSI: cleanup DSI_IRQ_ERROR_MASK define
OMAPDSS: remove extra out == NULL checks
OMAPDSS: change internal dispc functions to static
OMAPDSS: make a two dss feat funcs internal to omapdss
OMAPDSS: remove extra EXPORT_SYMBOLs
...
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Now that omapdss is only for omapdrm, we can change omapdrm to select
OMAP2_DSS to enable omapdss if omapdrm is enabled, instead of omapdrm
depending on omapdss.
We can also change omapdss and the display drivers to depend on
DRM_OMAP, so that they are only visible under omapdrm in menuconfig.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
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Now that omapfb has its own copy of omapdss and display drivers, we can
move omapdss and display drivers which omapdrm uses to omapdrm's
directory.
We also need to change the main drm Makefile so that omapdrm directory
is always entered, because omapdss has a file that can't be built as a
module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
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This just fixes a warning on 64-bit builds:
drivers/gpu/drm/vc4/vc4_validate.c: In function ‘validate_gl_shader_rec’:
drivers/gpu/drm/vc4/vc4_validate.c:864:12: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘size_t {aka long unsigned int}’ [-Wformat=]
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull drm updates from Dave Airlie:
"This is the main drm pull request for 4.5. I don't think I've missed
anything too major, I'm mostly back at work now but I'll probably get
some sleep in 5 years time.
Summary:
New drivers:
- etnaviv:
GPU driver for the 3D core on the Vivante core used in numerous
ARM boards.
Highlights:
Core:
- Atomic suspend/resume helpers
- Move the headers to using userspace friendlier types.
- Documentation updates
- Lots of struct_mutex removal.
- Bunch of DP MST fixes from AMD.
Panel:
- More DSI helpers
- Support for some new basic panels
i915:
- Basic Kabylake support
- DP link training and detect code refactoring
- fbc/psr fixes
- FIFO underrun fixes
- SDE interrupt handling fixes
- dma-buf/fence support in pageflip path.
- GPU side for MST audio support
radeon/amdgpu:
- Drop UMS support
- GPUVM/Scheduler optimisations
- Initial Powerplay support for Tonga/Fiji/CZ/ST
- ACP audio prerequisites
nouveau:
- GK20a instmem improvements
- PCIE link speed change support
msm:
- DSI support for msm8960/apq8064
tegra:
- Host1X support for Tegra210 SoC
vc4:
- 3D acceleration support
armada:
- Get rid of struct mutex
tda998x:
- Atomic modesetting support
- TMDS clock limitations
omapdrm:
- Atomic modesetting support
- improved TILER performance
rockchip:
- RK3036 VOP support
- Atomic modesetting support
- Synopsys DW MIPI DSI support
exynos:
- Runtime PM support
- of_graph binding for DP panels
- Cleanup of IPP code
- Configurable plane support
- Kernel panic fixes at release time"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (711 commits)
drm/fb_cma_helper: Remove implicit call to disable_unused_functions
drm/amdgpu: add missing irq.h include
drm/vmwgfx: Fix a width / pitch mismatch on framebuffer updates
drm/vmwgfx: Fix an incorrect lock check
drm: nouveau: fix nouveau_debugfs_init prototype
drm/nouveau/pci: fix check in nvkm_pcie_set_link
drm/amdgpu: validate duplicates first
drm/amdgpu: move VM page tables to the LRU end on CS v2
drm/ttm: add ttm_bo_move_to_lru_tail function v2
drm/ttm: fix adding foreign BOs to the swap LRU
drm/ttm: fix adding foreign BOs to the LRU during init v2
drm/radeon: use kobj_to_dev()
drm/amdgpu: use kobj_to_dev()
drm/amdgpu/cz: force vce clocks when sclks are forced
drm/amdgpu/cz: force uvd clocks when sclks are forced
drm/amdgpu/cz: add code to enable forcing VCE clocks
drm/amdgpu/cz: add code to enable forcing UVD clocks
drm/amdgpu: fix lost sync_to if scheduler is enabled.
drm/amd/powerplay: fix static checker warning for return meaningless value.
drm/sysfs: use kobj_to_dev()
...
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git://anongit.freedesktop.org/drm-intel into drm-next
misc i915 fixes all over the place.
* tag 'drm-intel-next-fixes-2016-01-14' of git://anongit.freedesktop.org/drm-intel:
drm/i915/gen9: Set PIN_ZONE_4G end to 4GB - 1 page
drm/i915: Widen return value for reservation_object_wait_timeout_rcu to long.
drm/i915: intel_hpd_init(): Fix suspend/resume reprobing
drm/i915: shut up gen8+ SDE irq dmesg noise, again
drm/i915: Restore inhibiting the load of the default context
drm/i915: Tune down rpm wakelock debug checks
drm/i915: Avoid writing relocs with addresses in non-canonical form
drm/i915: Move Braswell stop_machine GGTT insertion workaround
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Kernel and userspace are able to handle 4GB (1<<32) address space range,
but "A32 Stateless Model" is not. According to documentation, A32 accesses
are based on General State Base Address and bound checking is in place.
Because size field (instruction State Base Address) limitation, it is not
possible to address full 4GB memory region.
A32 Stateless Model is used by some libraries and without this patch, the
last page of 4GB address space is not accessible in 32bit processes.
Reported-by: Artur Harasimiuk <artur.harasimiuk@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452512367-23614-1-git-send-email-michel.thierry@intel.com
Cc: drm-intel-fixes@lists.freedesktop.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 1892faa9ec5d51b07d646cbd5597cd30e049aa51)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This fixes a spurious warning from an integer overflow on 64-bits systems.
The function may return MAX_SCHEDULE_TIMEOUT which gets truncated to -1.
Explicitly handling this by casting to lret fixes it.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reported-and-tested-by: Joseph Yasi <joe.yasi@gmail.com>
Tested-by: Andreas Reis <andreas.reis@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: drm-intel-fixes@lists.freedesktop.org
Fixes: 3c28ff22f6e20c ("i915: wait for fence in prepare_plane_fb")
Link: http://patchwork.freedesktop.org/patch/msgid/5666EEC8.2000403@linux.intel.com
(cherry picked from commit bcf8be279c79df6a8a17d9c3e1f9bc926444a87c)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This fixes reprobing of display connectors on resume. After some
talking with danvet on IRC, I learned that calling
drm_helper_hpd_irq_event() does actually trigger a full reprobe of each
connector's status. It turns out this is the actual reason reprobing on
resume hasn't been working (this was observed on a T440s):
- We call hpd_init()
- We check each connector for a couple of things before marking
connector->polled with DRM_CONNECTOR_POLL_HPD, one of which is an
active encoder. Of course, a disconnected port won't have an
active encoder, so we don't add the flag to any of the
connectors.
- We call drm_helper_hpd_irq_event()
- drm_helper_irq_event() checks each connector for the
DRM_CONNECTOR_POLL_HPD flag. The only one that has it is eDP-1,
so we skip reprobing each connector except that one.
In addition, we also now avoid setting connector->polled to
DRM_CONNECTOR_POLL_HPD for MST connectors, since their reprobing is
handled by the mst helpers. This is probably what was originally
intended to happen here.
Changes since V1:
* Use the explanation of the issue as the commit message instead
* Change the title of the commit, since this does more then just stop a
check for an encoder now
* Add "Fixes" line for the patch that introduced this regression
* Don't enable DRM_CONNECTOR_POLL_HPD for mst connectors
Changes since V2:
* Put patch changelog above Signed-off-by
* Follow Daniel Vetter's suggestion for making the code here a bit more
legible
Fixes: 0e32b39ceed6 ("drm/i915: add DP 1.2 MST support (v0.7)")
Cc: stable@vger.kernel.org
Signed-off-by: Lyude <cpaul@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452181408-14777-1-git-send-email-cpaul@redhat.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 07c519134417d92c2e1a536e2b66d4ffff4b3be0)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We still keep getting
[ 4.249930] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!
This reverts
commit 820da7ae46332fa709b171eb7ba57cbd023fa6df
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Nov 25 16:47:23 2015 +0200
Revert "drm/i915: shut up gen8+ SDE irq dmesg noise"
which in itself is a revert, so this is just doing
commit 97e5ed1111dcc5300a0f59a55248cd243937a8ab
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Oct 23 10:56:12 2015 +0200
drm/i915: shut up gen8+ SDE irq dmesg noise
all over again. I'll stop pretending I understand what's going on like I
did when I thought I'd fixed this for good in
commit 6a39d7c986be4fd18eb019e9cdbf774ec36c9f77
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Nov 25 16:47:22 2015 +0200
drm/i915: fix the SDE irq dmesg warnings properly
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Reference: http://mid.gmane.org/20151213124945.GA5715@nuc-i3427.alporthouse.com
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92084
Cc: drm-intel-fixes@lists.freedesktop.org
Fixes: 820da7ae4633 ("Revert "drm/i915: shut up gen8+ SDE irq dmesg noise"")
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452155350-14658-1-git-send-email-jani.nikula@intel.com
(cherry picked from commit 2dfb0b816d224379efc534764388745c474abeb4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Following a GPU reset, we may leave the context in a poorly defined
state, and reloading from that context will leave the GPU flummoxed. For
secondary contexts, this will lead to that context being banned - but
currently it is also causing the default context to become banned,
leading to turmoil in the shared state.
This is a regression from
commit 6702cf16e0ba8b0129f5aa1b6609d4e9c70bc13b [v4.1]
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Mon Mar 16 16:00:58 2015 +0000
drm/i915: Initialize all contexts
which quietly introduced the removal of the MI_RESTORE_INHIBIT on the
default context.
v2: Mark the global default context as uninitialized on GPU reset so
that the context-local workarounds are reloaded upon re-enabling.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1448630935-27377-1-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: stable@vger.kernel.org
[danvet: This seems to fix a gpu hand on after the first resume,
resulting in any future suspend operation failing with -EIO because
the gpu seems to be in a funky state. Somehow this patch fixes that.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 42f1cae8c079bcceb3cff079fddc3ff8852c788f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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They're causing massive amounts of dmesg noise and hence CI noise all
over the place. Enabling them for a bit was good enough to refresh our
task list of what's still needed to enable rpm by default.
To make sure we're not forgetting to make this noisy again add a FIXME
comment.
Fixes: da5827c36607 ("drm/i915: add assert_rpm_wakelock_held helper")
Cc: Imre Deak <imre.deak@intel.com>
Cc: drm-intel-fixes@lists.freedesktop.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1452012847-4737-1-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
(cherry picked from commit becd9ca2de656ccd8d02c434742388aead336147)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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According to PRM, some parts of HW require the addresses to be in
a canonical form, where bits [63:48] == [47]. Let's convert addresses to
canonical form prior to relocating and return converted offsets to
userspace. We also need to make sure that userspace is using addresses
in canonical form in case of softpin.
v2: Whitespace fixup, gen8_canonical_addr description (Chris, Ville)
v3: Rebase on top of softpin, fix a hole in relocate_entry,
s/expect/require (Chris)
v4: Handle softpin in validate_exec_list (Chris)
v5: Convert back to canonical form at copy_to_user time (Chris)
v6: Don't use struct exec_object2 in place of exec_object
v7: Use sign_extend64 for converting to canonical form (Joonas),
reject non-canonical and non-page-aligned offset for softpin (Chris)
v8: Convert back to non-canonical form in a function,
split the test for EXEC_OBJECT_PINNED (Chris)
v9: s/canonial/canonical, drop accidental double newline (Chris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451409892-13708-1-git-send-email-michal.winiarski@intel.com
Testcase: igt/gem_bad_reloc/negative-reloc-blt
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92699
Cc: drm-intel-fixes@lists.freedesktop.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 934acce3c069a3d8b14085957248444145d9ec1b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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There was a silent conflict between
commit 0a878716265e9af9f697264dc2e858fcc060d833
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Oct 15 14:23:01 2015 +0200
drm/i915: restore ggtt double-bind avoidance
and
commit 5bab6f60cb4d1417ad7c599166bcfec87529c1a2
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Oct 23 18:43:32 2015 +0100
drm/i915: Serialise updates to GGTT with access through GGTT on Braswell
thankfully caught by the extra WARN safegaurd in 0a878716. Since we now
override the GGTT insert_pages callback when installing the aliasing
ppgtt, we assert that the callback is the original ggtt routine.
However, on Braswell we now use a different insertion routine to
serialise access through the GGTT with updating the PTE and hence the
conflict. To avoid the conflict, move the custom insertion routine for
Braswell down a level.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447859979-20107-1-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: drm-intel-fixes@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit c140330b5e6b5bc2262ffb2f50bfeea06a482699)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
Since your main drm-next pull isn't out of the door yet I figured I might
as well flush out drm-misc instead of delaying for 4.6. It's really just
random stuff all over, biggest thing probably connector_mask tracking from
Maarten.
* tag 'topic/drm-misc-2016-01-17' of git://anongit.freedesktop.org/drm-intel: (24 commits)
drm/fb_cma_helper: Remove implicit call to disable_unused_functions
drm/sysfs: use kobj_to_dev()
drm/i915: Init power domains early in driver load
drm: Do not set connector->encoder in drivers
apple-gmux: Add initial documentation
drm: move MODULE_PARM_DESC to other file
drm/edid: index CEA/HDMI mode tables using the VIC
drm/atomic: Remove drm_atomic_connectors_for_crtc.
drm/i915: Update connector_mask during readout, v2.
drm: Remove opencoded drm_gem_object_release_handle()
drm: Do not set outparam on error during GEM handle allocation
drm/docs: more leftovers from the big vtable documentation pile
drm/atomic-helper: Reject legacy flips on a disabled pipe
drm/atomic: add connector mask to drm_crtc_state.
drm/tegra: Use __drm_atomic_helper_reset_connector for subclassing connector state, v2.
drm/atomic: Add __drm_atomic_helper_connector_reset, v2.
drm/i915: Set connector_state->connector using the helper.
drm: Use a normal idr allocation for the obj->name
drm: Only bump object-reference count when adding first handle
drm: Balance error path for GEM handle allocation
...
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The drm_fbdev_cma_init function always calls the
drm_helper_disable_unused_functions. Since it's part of the usual probe
process, all the drivers using that helper will end up having their encoder
and CRTC disable functions called at probe if their device has not been
reported as enabled.
This could be fixed by reading out from the registers the current state of
the device if it is enabled, but even that will not handle the case where
the device is actually disabled.
Moreover, the drivers using the atomic modesetting expect that their enable
and disable callback to be called when the device is already enabled or
disabled (respectively).
We can however fix this issue by moving the call to
drm_helper_disable_unused_functions out of drm_fbdev_cma_init and make the
drivers needing it (all the drivers calling drm_fbdev_cma_init and not
using the atomic modesetting) explicitly call it.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452785109-6172-14-git-send-email-maxime.ripard@free-electrons.com
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use kobj_to_dev() instead of open-coding it.
Link: http://patchwork.freedesktop.org/patch/msgid/3fea991541fbfc4ffece2c174adeb02cb9436c90.1452696179.git.geliangtang@163.com
Signed-off-by: Geliang Tang <geliangtang@163.com>
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Since
commit ac9b8236551d1177fd07b56aef9b565d1864420d
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri Nov 27 18:55:26 2015 +0200
drm/i915: Introduce a gmbus power domain
gmbus also needs the power domain infrastructure right from the start,
since as soon as we register the i2c controllers someone can use them.
v2: Adjust cleanup paths too (Chris).
v3: Rebase onto -nightly (totally bogus tree I had lying around) and
also move dpio init head (Ville).
v4: Ville instead suggested to move gmbus setup later in the sequence,
since it's only needed by the modeset code.
v5: Move even close to the actual user, right next to the comment that
states where we really need gmbus (and interrupts!).
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Meelis Roos <mroos@linux.ee>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: ac9b8236551d ("drm/i915: Introduce a gmbus power domain")
Cc: stable@vger.kernel.org
References: http://www.spinics.net/lists/intel-gfx/msg83075.html
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452682528-19437-1-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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An encoder is associated with a connector by the DRM core as a result of
setting up a configuration. Drivers using the atomic or legacy helpers
should never set up this link, even if it is a static one.
While at it, try to catch this kind of error in the future by adding a
WARN_ON() in drm_mode_connector_attach_encoder(). Note that this doesn't
cover all the cases, since drivers could set this up after attaching.
Drivers that use the atomic helpers will get a warning later on, though,
so hopefully the two combined cover enough to help people avoid this in
the future.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Mark yao <mark.yao@rock-chips.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1447694393-24700-1-git-send-email-thierry.reding@gmail.com
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We moved the module options from drm_drv.c to drm_irq.c in 18882995713d
('drm: Move vblank related module options into drm_irq.c'). Let's move
the MODULE_PARM_DESC()s as well so they're together.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160108110045.GF32195@mwanda
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add a dummy entry to CEA/HDMI mode tables so they can be indexed
directly using the VIC, avoiding a +1/-1 dance here and there. This adds
clarity to the error checking for various functions that return the VIC
on success and zero on failure; we can now explicitly check for 0
instead of just subtracting one from an unsigned type.
Also add drm_valid_cea_vic() and drm_valid_hdmi_vic() helpers for
checking valid VICs.
v2: add drm_valid_cea_vic and drm_valid_hdmi_vic helpers (Ville)
use { } instead of { 0 } for initializing the dummy modes
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452252111-6439-1-git-send-email-jani.nikula@intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Now that connector_mask is reliable there's no need for this
function any more.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-6-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drm/i915: Update connector_mask during readout, v2.
The connector_mask may be used any time during the non-atomic
.crtc_disable which is called before the full atomic state is
set up and needs to be accurate for that reason.
Changes since v1:
- Update connector_mask in readout_hw_state and add a comment.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/568D1C55.8010001@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drm_gem_handle_delete() contains its own version of
drm_gem_object_release_handle(), so lets just call the release method
instead.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451986951-3703-2-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Good practice dictates that we do not leak stale information to our
callers, and should avoid overwriting an outparam on an error path.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451986951-3703-1-git-send-email-chris@chris-wilson.co.uk
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We want this for consistency with existing page_flip semantics.
Since this spurred quite a discussion on IRC also document why we
reject event generation when the pipe is off: It's not that it's hard
to implement, but userspace has a track recording which proves that it's
way too easy to accidentally abuse and cause havoc. We want to make
sure userspace doesn't get away with that.
v2: Somehow thought we do reject events already, but that code only
existed in my imagination ... Also suggestions from Thierry.
Cc: Daniel Stone <daniels@collabora.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449564561-3896-4-git-send-email-daniel.vetter@ffwll.ch
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It can be useful to iterate over connectors without grabbing
connection_mutex. It can also be used to see how many connectors
are on a crtc without iterating over the list.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-4-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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state, v2.
Changes since v1:
- Do not reset if state allocation fails.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Thierry Reding <treding@nvidia.com> #irc
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-3-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is useful for drivers that subclass connector_state, like tegra.
Changes since v1:
- Docbook updates.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-2-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The atomic helper sets connector_state->connector, which the i915
code didn't. This will become a problem when we start using it.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-1-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Unlike the handle, the name table uses a sleeping mutex rather than a
spinlock. The allocation is in a normal context, and we can use the
simpler sleeping gfp_t, rather than have to take from the atomic
reserves.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451902261-25380-3-git-send-email-chris@chris-wilson.co.uk
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We only need a single reference count for all handles (i.e. non-zero
obj->handle_count) and so can trim a few atomic operations by only
taking the reference on the first handle and dropping it after the last.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451902261-25380-2-git-send-email-chris@chris-wilson.co.uk
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The current error path for failure when establishing a handle for a GEM
object is unbalance, e.g. we call object_close() without calling first
object_open(). Use the typical onion structure to only undo what has
been set up prior to the error.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Fix indentation of vga_switcheroo sections in gpu.tmpl.
Change section type of API documentation from "chapter" to "sect1"
so that the individual functions no longer clutter up the ToC.
Group together under a new "API" chapter.
Fix wording "heretoforth" -> "henceforth".
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The drm_dp_mst_topology_cbs structures are never modified, so declare them
as const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use to_pci_dev() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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pan_display_atomic() calls drm_atomic_clean_old_fb() to sanitize the
legacy FB fields (plane->fb and plane->old_fb). However it was building
the plane mask to pass to this function incorrectly (the bitwise OR was
using plane indices rather than plane masks). The end result was that
sometimes the legacy pointers would become out of sync with the atomic
pointers. If another operation tried to re-set the same FB onto the
plane, we might end up with the pointers back in sync, but improper
reference counts, which would eventually lead to system crashes when we
accessed a pointer to a prematurely-destroyed FB.
The cause here was a very subtle bug introduced in commit:
commit 07d3bad6c1210bd21e85d084807ef4ee4ac43a78
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Wed Nov 11 11:29:11 2015 +0100
drm/core: Fix old_fb handling in pan_display_atomic.
I found the crashes were most easily reproduced (on i915 at least) by
starting X and then VT switching to a VT that wasn't running a console
instance...the sequence of vt/fbcon entries that happen in that case
trigger a reference count mismatch and crash the system.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93313
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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