diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r420.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r420.c | 89 |
1 files changed, 53 insertions, 36 deletions
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index c05a7270cf0c..c7593b8f58ee 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -30,30 +30,14 @@ #include "radeon_reg.h" #include "radeon.h" #include "atom.h" +#include "r100d.h" #include "r420d.h" +#include "r420_reg_safe.h" -int r420_mc_init(struct radeon_device *rdev) +static void r420_set_reg_safe(struct radeon_device *rdev) { - int r; - - /* Setup GPU memory space */ - rdev->mc.vram_location = 0xFFFFFFFFUL; - rdev->mc.gtt_location = 0xFFFFFFFFUL; - if (rdev->flags & RADEON_IS_AGP) { - r = radeon_agp_init(rdev); - if (r) { - printk(KERN_WARNING "[drm] Disabling AGP\n"); - rdev->flags &= ~RADEON_IS_AGP; - rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; - } else { - rdev->mc.gtt_location = rdev->mc.agp_base; - } - } - r = radeon_mc_setup(rdev); - if (r) { - return r; - } - return 0; + rdev->config.r300.reg_safe_bm = r420_reg_safe_bm; + rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm); } void r420_pipes_init(struct radeon_device *rdev) @@ -63,7 +47,8 @@ void r420_pipes_init(struct radeon_device *rdev) unsigned num_pipes; /* GA_ENHANCE workaround TCL deadlock issue */ - WREG32(0x4274, (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)); + WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL | + (1 << 2) | (1 << 3)); /* add idle wait as per freedesktop.org bug 24041 */ if (r100_gui_wait_for_idle(rdev)) { printk(KERN_WARNING "Failed to wait GUI idle while " @@ -91,17 +76,17 @@ void r420_pipes_init(struct radeon_device *rdev) tmp = (7 << 1); break; } - WREG32(0x42C8, (1 << num_pipes) - 1); + WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1); /* Sub pixel 1/12 so we can have 4K rendering according to doc */ - tmp |= (1 << 4) | (1 << 0); - WREG32(0x4018, tmp); + tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING; + WREG32(R300_GB_TILE_CONFIG, tmp); if (r100_gui_wait_for_idle(rdev)) { printk(KERN_WARNING "Failed to wait GUI idle while " "programming pipes. Bad things might happen.\n"); } - tmp = RREG32(0x170C); - WREG32(0x170C, tmp | (1 << 31)); + tmp = RREG32(R300_DST_PIPE_CONFIG); + WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG); WREG32(R300_RB2D_DSTCACHE_MODE, RREG32(R300_RB2D_DSTCACHE_MODE) | @@ -165,6 +150,34 @@ static void r420_clock_resume(struct radeon_device *rdev) WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl); } +static void r420_cp_errata_init(struct radeon_device *rdev) +{ + /* RV410 and R420 can lock up if CP DMA to host memory happens + * while the 2D engine is busy. + * + * The proper workaround is to queue a RESYNC at the beginning + * of the CP init, apparently. + */ + radeon_scratch_get(rdev, &rdev->config.r300.resync_scratch); + radeon_ring_lock(rdev, 8); + radeon_ring_write(rdev, PACKET0(R300_CP_RESYNC_ADDR, 1)); + radeon_ring_write(rdev, rdev->config.r300.resync_scratch); + radeon_ring_write(rdev, 0xDEADBEEF); + radeon_ring_unlock_commit(rdev); +} + +static void r420_cp_errata_fini(struct radeon_device *rdev) +{ + /* Catch the RESYNC we dispatched all the way back, + * at the very beginning of the CP init. + */ + radeon_ring_lock(rdev, 8); + radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); + radeon_ring_write(rdev, R300_RB3D_DC_FINISH); + radeon_ring_unlock_commit(rdev); + radeon_scratch_free(rdev, rdev->config.r300.resync_scratch); +} + static int r420_startup(struct radeon_device *rdev) { int r; @@ -190,12 +203,14 @@ static int r420_startup(struct radeon_device *rdev) r420_pipes_init(rdev); /* Enable IRQ */ r100_irq_set(rdev); + rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); /* 1M ring buffer */ r = r100_cp_init(rdev, 1024 * 1024); if (r) { dev_err(rdev->dev, "failled initializing CP (%d).\n", r); return r; } + r420_cp_errata_init(rdev); r = r100_wb_init(rdev); if (r) { dev_err(rdev->dev, "failled initializing WB (%d).\n", r); @@ -238,6 +253,7 @@ int r420_resume(struct radeon_device *rdev) int r420_suspend(struct radeon_device *rdev) { + r420_cp_errata_fini(rdev); r100_cp_disable(rdev); r100_wb_disable(rdev); r100_irq_disable(rdev); @@ -311,13 +327,15 @@ int r420_init(struct radeon_device *rdev) radeon_get_clock_info(rdev->ddev); /* Initialize power management */ radeon_pm_init(rdev); - /* Get vram informations */ - r300_vram_info(rdev); - /* Initialize memory controller (also test AGP) */ - r = r420_mc_init(rdev); - if (r) { - return r; + /* initialize AGP */ + if (rdev->flags & RADEON_IS_AGP) { + r = radeon_agp_init(rdev); + if (r) { + radeon_agp_disable(rdev); + } } + /* initialize memory controller */ + r300_mc_init(rdev); r420_debugfs(rdev); /* Fence driver */ r = radeon_fence_driver_init(rdev); @@ -346,22 +364,21 @@ int r420_init(struct radeon_device *rdev) if (r) return r; } - r300_set_reg_safe(rdev); + r420_set_reg_safe(rdev); rdev->accel_working = true; r = r420_startup(rdev); if (r) { /* Somethings want wront with the accel init stop accel */ dev_err(rdev->dev, "Disabling GPU acceleration\n"); - r420_suspend(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); + radeon_irq_kms_fini(rdev); if (rdev->flags & RADEON_IS_PCIE) rv370_pcie_gart_fini(rdev); if (rdev->flags & RADEON_IS_PCI) r100_pci_gart_fini(rdev); radeon_agp_fini(rdev); - radeon_irq_kms_fini(rdev); rdev->accel_working = false; } return 0; |