Re: [Intel-gfx] [PATCH 3/3] drm/i915/tgl: Add extra hdc flush workaround

Quoting Mika Kuoppala (2019-10-11 14:39:11) > In order to ensure constant caches are invalidated > properly with a0, we need extra hdc flush after invalidation. > > References: HSDES#1604544889 > Signed-off-by: Mika Kuoppala > --- > drivers/gpu/drm/i915/gt/intel_lrc.c | 18 ++ >

[Intel-gfx] [PATCH 3/3] drm/i915/tgl: Add extra hdc flush workaround

In order to ensure constant caches are invalidated properly with a0, we need extra hdc flush after invalidation. References: HSDES#1604544889 Signed-off-by: Mika Kuoppala --- drivers/gpu/drm/i915/gt/intel_lrc.c | 18 ++ 1 file changed, 18 insertions(+) diff --git