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drm/i915/cnl: WaThrottleEUPerfToAvoidTDBackPressure:cnl(pre-prod)
authorRodrigo Vivi <rodrigo.vivi@intel.com>
Wed, 6 Sep 2017 22:03:25 +0000 (15:03 -0700)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Wed, 6 Sep 2017 22:04:11 +0000 (15:04 -0700)
commitdeb7a5f34b03b09997cfbcd1f2c5147fc58f75a1
treee9efb06710f22b0400d3c335684a6bdd52fdf32ctree | snapshot
parenteceaa0da1cd7b58817da511f42f4c407aeee7a2bcommit | diff
drm/i915/cnl: WaThrottleEUPerfToAvoidTDBackPressure:cnl(pre-prod)

Wa for B-stepping only.

A for a hang issue that requires throttling EU performace
to 12.5% to avoid back pressure to thread dispatch

v2: Rebased. No change from v1.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Oscar Mateo <oscar.mateo@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170906220325.24524-1-rodrigo.vivi@intel.com
drivers/gpu/drm/i915/i915_reg.h diff | blob | history
drivers/gpu/drm/i915/intel_engine_cs.c diff | blob | history
Linux Kernel Source Tree.