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drm/i915: Implement WaDisableEarlyEOT.
authorRafael Antognolli <rafael.antognolli@intel.com>
Sat, 16 Dec 2017 00:11:17 +0000 (16:11 -0800)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Tue, 19 Dec 2017 21:43:26 +0000 (13:43 -0800)
commita2b16588578f8edd0e39c7a6554b047b13e8ca79
tree3caca70639014b73e4fa1ea8bb95245bb3da7011
parent01ab0f9216070f3337b3da8953a259072f5bd4f7
drm/i915: Implement WaDisableEarlyEOT.

There seems to be another clock gating issue which the workaround is
described as:

   "WA: Set 0xE4F0[1] = 1 to disable Early EOT of thread."

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171216001117.14232-2-rafael.antognolli@intel.com
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_engine_cs.c