drm/i915: Enable GGTT updates with binder in MTL
authorNirmoy Das <nirmoy.das@intel.com>
Tue, 26 Sep 2023 08:37:42 +0000 (10:37 +0200)
committerNirmoy Das <nirmoy.das@intel.com>
Sat, 30 Sep 2023 11:49:36 +0000 (13:49 +0200)
commit799d794f75598353c8e5854fc9c57cc46d236c4e
tree9cff4f1887bac96e9ffe90c82a21982018ee9b4d
parenta2ae29629230588d50dfcba306decad7e4f690f3
drm/i915: Enable GGTT updates with binder in MTL

MTL can hang because of a HW bug while parallel reading/writing
from/to LMEM/GTTMMADR BAR so try to reduce GGTT update
related pci transactions with blitter command as recommended
for Wa_13010847436 and Wa_14019519902.

Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Oak Zeng <oak.zeng@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230926083742.14740-8-nirmoy.das@intel.com
drivers/gpu/drm/i915/gt/intel_gtt.c