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OpenCloudOS-Kernel/drivers/gpu/drm/i915
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Chris Wilson 7d54a90428 drm/i915: Apply post-sync write for pipe control invalidates 
When invalidating the TLBs it is documentated as requiring a post-sync
write. Failure to do so seems to result in a GPU hang.

Exposure to this hang on IVB seems to be a result of removing the extra
stalls required for SNB pipecontrol workarounds:

commit 6c6cf5aa9c
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Jul 20 18:02:28 2012 +0100

    drm/i915: Only apply the SNB pipe control w/a to gen6

Note: Manually switch the pipe_control cmd to 4 dwords to avoid a
(silent) functional conflict with -next. This way will get a loud (but
conflict with next (since the scratch_addr has been deleted there).

Reported-and-tested-by: yex.tian@intel.com
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=53322
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: added note about merge conflict with -next.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 		2012-08-14 09:47:45 +02:00
..
Makefile drm/i915: preliminary context support 2012-06-14 17:36:16 +02:00
dvo.h drm: Make the .mode_fixup() operations mode argument a const pointer 2012-07-19 21:52:38 -04:00
dvo_ch7xxx.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_ch7017.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_ivch.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_sil164.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_tfp410.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
i915_debugfs.c drm/i915: Add comments to explain the BSD tail write workaround 2012-07-20 12:21:37 +02:00
i915_dma.c drm/i915: unbreak lastclose for failed driver init 2012-07-25 10:40:00 +02:00
i915_drv.c drm/i915: add more Haswell PCI IDs 2012-08-07 13:17:33 +02:00
i915_drv.h drm/i915: Add comments to explain the BSD tail write workaround 2012-07-20 12:21:37 +02:00
i915_gem.c drm/i915: Add -EIO to the list of known errors for __wait_seqno 2012-07-25 10:39:57 +02:00
i915_gem_context.c drm/i915: remove unused variable 2012-08-05 22:39:53 +02:00
i915_gem_debug.c drm/i915: stop using dev->agp->base 2012-06-12 22:18:06 +02:00
i915_gem_dmabuf.c i915: add dma-buf vmap support for exporting vmapped buffer 2012-05-31 14:13:57 +01:00
i915_gem_evict.c drm: Add colouring to the range allocator 2012-07-16 05:59:37 +10:00
i915_gem_execbuffer.c drm/i915: Don't forget to apply SNB PIPE_CONTROL GTT workaround. 2012-08-05 21:45:01 +02:00
i915_gem_gtt.c i915: don't map imported dma-bufs for dmar. 2012-08-05 22:53:59 +02:00
i915_gem_stolen.c drm/i915: Split the stolen handling for GEM out of i915_dma.c 2012-05-03 11:18:11 +02:00
i915_gem_tiling.c drm/i915: Only the zap the VMA after updating the tiling parameters 2012-05-03 11:18:07 +02:00
i915_ioc32.c drm/i915: [sparse] trivial sparse fixes 2012-04-18 10:34:49 +02:00
i915_irq.c Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2012-07-26 10:40:31 +10:00
i915_reg.h drm/i915: fix up PCH backlight #define mixup 2012-07-20 12:21:38 +02:00
i915_suspend.c Linux 3.5-rc7 2012-07-20 00:53:28 -04:00
i915_sysfs.c drm/i915: make rc6 in sysfs functions conditional 2012-08-06 19:31:33 +02:00
i915_trace.h drm/i915: improve i915_wait_request_begin trace 2012-05-25 09:55:15 +02:00
i915_trace_points.c drm/i915: [sparse] trivial sparse fixes 2012-04-18 10:34:49 +02:00
intel_acpi.c drm/i915: [sparse] trivial sparse fixes 2012-04-18 10:34:49 +02:00
intel_bios.c drm/i915/bios: cleanup return type of intel_parse_bios() 2012-06-27 10:17:51 +01:00
intel_bios.h drm/i915/bios: cleanup return type of intel_parse_bios() 2012-06-27 10:17:51 +01:00
intel_crt.c drm/i915: check whether we actually received an edid in detect_ddc 2012-07-20 12:21:38 +02:00
intel_ddi.c drm/i915: program FDI_RX TP and FDI delays 2012-07-05 15:09:03 +02:00
intel_display.c drm/i915: ignore eDP bpc settings from vbt 2012-08-11 21:42:52 +02:00
intel_dp.c drm/i915: reorder edp disabling to fix ivb MacBook Air 2012-08-14 09:38:25 +02:00
intel_drv.h drm/i915: Workaround hang with BSD and forcewake on SandyBridge 2012-08-06 10:43:29 +02:00
intel_dvo.c drm: Make the .mode_fixup() operations mode argument a const pointer 2012-07-19 21:52:38 -04:00
intel_fb.c drm/i915: Zero initialize mode_cmd 2012-07-05 13:27:58 +02:00
intel_hdmi.c drm: Make the .mode_fixup() operations mode argument a const pointer 2012-07-19 21:52:38 -04:00
intel_i2c.c drm/i915: ensure i2c adapter is all set before adding it 2012-08-13 19:04:24 +02:00
intel_lvds.c drm/i915/lvds: ditch ->prepare special case 2012-07-25 10:39:59 +02:00
intel_modes.c drm/i915: kill intel_ddc_probe 2012-07-20 12:21:39 +02:00
intel_opregion.c drm/i915: [sparse] __iomem fixes for opregion 2012-05-03 11:18:00 +02:00
intel_overlay.c drm/i915: s/i915_wait_request/i915_wait_seqno/g 2012-05-25 14:18:42 +02:00
intel_panel.c drm/i915: Fix blank panel at reopening lid 2012-08-11 21:15:16 +02:00
intel_pm.c drm/i915: fix forcewake related hangs on snb 2012-07-27 08:23:28 +02:00
intel_ringbuffer.c drm/i915: Apply post-sync write for pipe control invalidates 2012-08-14 09:47:45 +02:00
intel_ringbuffer.h drm/i915: disable flushing_list/gpu_write_list 2012-06-20 13:54:28 +02:00
intel_sdvo.c i915: fix error path leak in intel_sdvo_write_cmd 2012-07-26 09:50:04 +02:00
intel_sdvo_regs.h drm/i915: properly handle interlaced bit for sdvo dtd conversion 2012-05-24 17:53:52 +02:00
intel_sprite.c drm/i915: mask tiled bit when updating ILK sprites 2012-07-20 12:21:40 +02:00
intel_tv.c drm: Make the .mode_fixup() operations mode argument a const pointer 2012-07-19 21:52:38 -04:00