drm/i915/gt: Poll aux invalidation register bit on invalidation

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For platforms that use Aux CCS, wait for aux invalidation to
complete by checking the aux invalidation register bit is
cleared.

Fixes: 972282c4cf ("drm/i915/gen12: Add aux table invalidate for all engines")
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.8+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230725001950.1014671-7-andi.shyti@linux.intel.com
(cherry picked from commit d459c86f00)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

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This commit is contained in:

Jonathan Cavitt 2023-07-25 02:19:49 +02:00 • committed by Tvrtko Ursulin

parent 824df77ab2

commit 0fde2f2351

2 changed files with 13 additions and 5 deletions

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17

drivers/gpu/drm/i915/gt/gen8_engine_cs.c

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1

drivers/gpu/drm/i915/gt/intel_gpu_commands.h

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