drm/i915: implement WaClearTdlStateAckDirtyBits

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This is to fix a GPU hang seen with mid thread pre-emption
and pooled EUs.

v2. Use IS_BXT_REVID instead of IS_BROXTON and INTEL_REVID

v3. And use correct type for register addresses

Signed-off-by: Tim Gore <tim.gore@intel.com>
Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458571049-854-1-git-send-email-tim.gore@intel.com

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Tim Gore 2016-03-21 14:37:29 +00:00 • committed by Tvrtko Ursulin

parent 25a5670533

commit b1e429fe3b

2 changed files with 31 additions and 0 deletions

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12

drivers/gpu/drm/i915/i915_reg.h

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19

drivers/gpu/drm/i915/intel_lrc.c

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