Add hdc pipeline flush to ensure memory state is coherent in L3 when we are done. Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 + drivers/gpu/drm/i915/gt/intel_lrc.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h index 8c8e6bf824a9..696b6495b0da 100644 --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h @@ -232,6 +232,7 @@ #define PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE (1<<10) /* GM45+ only */ #define PIPE_CONTROL_L3_RO_CACHE_INVALIDATE (1<<10) /* gen12 */ #define PIPE_CONTROL_INDIRECT_STATE_DISABLE (1<<9) +#define PIPE_CONTROL_HDC_PIPELINE_FLUSH (1<<9) /* gen 12 */ #define PIPE_CONTROL_NOTIFY (1<<8) #define PIPE_CONTROL_FLUSH_ENABLE (1<<7) /* gen7+ */ #define PIPE_CONTROL_DC_FLUSH_ENABLE (1<<5) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index c6fbc723566f..967e5b2e5e80 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -3188,6 +3188,7 @@ static int gen12_emit_flush_render(struct i915_request *request, flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; flags |= PIPE_CONTROL_DC_FLUSH_ENABLE; flags |= PIPE_CONTROL_FLUSH_ENABLE; + flags |= PIPE_CONTROL_HDC_PIPELINE_FLUSH; flags |= PIPE_CONTROL_STORE_DATA_INDEX; flags |= PIPE_CONTROL_QW_WRITE; -- 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
