AuxXxilium/linux_dsm_epyc7002
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944001201c
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Dave Airlie 944001201c drm/i915: enable low power render writes on GEN3 hardware. 
A lot of 945GMs have had stability issues for a long time, this manifested as X hangs, blitter engine hangs, and lots of crashes.

one such report is at:
https://bugs.freedesktop.org/show_bug.cgi?id=20560

along with numerous distro bugzillas.

This only took a week of digging and hair ripping to figure out.

Tracked down and tested on a 945GM Lenovo T60,
previously running
x11perf -copypixwin500
or
x11perf -copywinpix500
repeatedly would cause the GPU to wedge within 4 or 5 tries, with random busy bits set.

After this patch no hangs were observed.

cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-07-20 15:24:18 +10:00
..
dvo_ch7xxx.c drm/i915: Remove dead KMS encoder save/restore code. 2010-04-12 09:23:30 -07:00
dvo_ch7017.c drm/i915: Remove dead KMS encoder save/restore code. 2010-04-12 09:23:30 -07:00
dvo_ivch.c drm/i915: Remove dead KMS encoder save/restore code. 2010-04-12 09:23:30 -07:00
dvo_sil164.c drm/i915: Remove dead KMS encoder save/restore code. 2010-04-12 09:23:30 -07:00
dvo_tfp410.c drm/i915: Use RSEN instead of HTPLG for tfp410 monitor detection. 2010-06-04 16:39:59 -07:00
dvo.h drm/i915: Remove dead KMS encoder save/restore code. 2010-04-12 09:23:30 -07:00
i915_debugfs.c drm/i915: don't access FW_BLC_SELF on 965G 2010-07-01 15:30:12 -07:00
i915_dma.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel 2010-07-01 18:48:11 -07:00
i915_drv.c drm/i915: Storage class should be before const qualifier 2010-05-26 14:10:26 -07:00
i915_drv.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel 2010-07-01 18:48:11 -07:00
i915_gem_debug.c drm/i915: drop pointer to drm_gem_object 2010-04-20 13:23:14 +10:00
i915_gem_tiling.c drm/i915: don't allow tiling changes on pinned buffers v2 2010-05-10 13:38:30 -07:00
i915_gem.c drm/i915: enable low power render writes on GEN3 hardware. 2010-07-20 15:24:18 +10:00
i915_ioc32.c drm: convert drm_ioctl to unlocked_ioctl 2009-12-18 11:22:31 +10:00
i915_irq.c drm/i915: fix page flip finish vs. prepare on plane B 2010-07-01 18:47:12 -07:00
i915_mem.c drm: Remove memory debugging infrastructure. 2009-06-18 13:00:33 -07:00
i915_opregion.c drm/i915: set DIDL using the ACPI video output device _ADR method return. 2010-04-18 17:05:13 -07:00
i915_reg.h drm/i915: Define MI_ARB_STATE bits 2010-07-20 15:24:12 +10:00
i915_suspend.c drm/i915: Only save/restore FBC on the platform that supports FBC 2010-04-12 09:25:54 -07:00
i915_trace_points.c drm/i915: Add tracepoints 2009-09-23 01:05:21 +01:00
i915_trace.h drm/i915: Convert more trace events to DEFINE_EVENT 2010-05-26 13:49:13 -07:00
intel_bios.c drm/i915: Honor sync polarity from VBT panel timing descriptors 2010-06-01 10:19:37 -07:00
intel_bios.h drm/i915: parse eDP panel color depth from VBT block 2010-01-15 14:12:47 -08:00
intel_crt.c drm/i915: Fix CRT hotplug regression in 2.6.35-rc1 2010-07-01 15:35:57 -07:00
intel_display.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel 2010-07-01 18:48:11 -07:00
intel_dp.c i915: fix ironlake edp panel setup (v4) 2010-07-01 15:33:19 -07:00
intel_drv.h drm/i915: gen3 page flipping fixes 2010-06-18 17:59:53 -07:00
intel_dvo.c Merge remote branch 'anholt/drm-intel-next' of /home/airlied/kernel/drm-next into drm-core-next 2010-04-20 13:11:45 +10:00
intel_fb.c drm: Propagate error from drm_fb_helper_init(). 2010-06-08 09:32:02 +10:00
intel_hdmi.c drm/i915: Fix HDMI mode select for Cougarpoint PCH 2010-05-26 14:14:52 -07:00
intel_i2c.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
intel_lvds.c drm/i915: change default panel fitting mode to preserve aspect ratio 2010-07-01 16:05:47 -07:00
intel_modes.c Merge remote branch 'anholt/drm-intel-next' of /home/airlied/kernel/drm-next into drm-core-next 2010-04-20 13:11:45 +10:00
intel_overlay.c drm/i915: convert some gem structures to per-ring V2 2010-05-26 13:42:11 -07:00
intel_ringbuffer.c drm/i915: Account for space on the ring buffer consumed whilst wrapping. 2010-07-01 15:28:08 -07:00
intel_ringbuffer.h drm/i915: introduce intel_ring_buffer structure (V2) 2010-05-26 13:24:49 -07:00
intel_sdvo_regs.h drm/i915: enable sdvo lvds scaling function. 2009-07-01 11:44:45 -07:00
intel_sdvo.c i915/intel_sdvo: remove unneeded null check 2010-05-26 14:16:35 -07:00
intel_tv.c Revert "drm/i915: Configure the TV sense state correctly on GM45 to make TV detection reliable" 2010-04-20 14:25:51 +10:00
Makefile drm/i915: Move ringbuffer-related code to intel_ringbuffer.c. 2010-05-26 12:36:00 -07:00