drm/i915/dg2: Add Wa_22011450934
authorRamalingam C <ramalingam.c@intel.com>
Fri, 28 Jan 2022 18:52:05 +0000 (00:22 +0530)
committerRamalingam C <ramalingam.c@intel.com>
Fri, 11 Feb 2022 11:41:06 +0000 (17:11 +0530)
commit88d23eda3c7f8bb560ae93b00d03688ff7920cdd
tree01ad274d62873c5dfc6e7b8708feabb075ab1e73
parentba2c5d15022a565da187d90e2fe44768e33e5034
drm/i915/dg2: Add Wa_22011450934

An indirect ctx wabb is implemented as per Wa_22011450934 to avoid rcs
restore hang during context restore of a preempted context in GPGPU mode

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Chris Wilson <chris.p.wilson@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220128185209.18077-2-ramalingam.c@intel.com
drivers/gpu/drm/i915/gt/intel_lrc.c
drivers/gpu/drm/i915/i915_reg.h