[Intel-gfx] [PATCH 9/9] drm/i915/gen12: Flush LLC

[Mika Kuoppala]

Request boundary is a global observation point for
all operations. Thus flush the LLC too.

Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 +
 drivers/gpu/drm/i915/gt/intel_lrc.c          | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index 69979cc86caa..a7f4f0934508 100644
--- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
@@ -223,6 +223,7 @@
 #define   PIPE_CONTROL_COMMAND_CACHE_INVALIDATE		(1<<29) /* gen11+ */
 #define   PIPE_CONTROL_TILE_CACHE_FLUSH			(1<<28) /* gen11+ */
 #define   PIPE_CONTROL_FLUSH_L3				(1<<27)
+#define   PIPE_CONTROL_FLUSH_LLC			(1<<26) /* gen12+ */
 #define   PIPE_CONTROL_FLUSH_AMFS			(1<<25) /* gen12+ */
 #define   PIPE_CONTROL_GLOBAL_GTT_IVB			(1<<24) /* gen7+ */
 #define   PIPE_CONTROL_MMIO_WRITE			(1<<23)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 859c901c8935..2a4ef2ea042f 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4555,6 +4555,7 @@ static int gen12_emit_flush_render(struct i915_request *request,
 		flags |= PIPE_CONTROL_L3_FABRIC_FLUSH;
 		flags |= PIPE_CONTROL_TILE_CACHE_FLUSH;
 		flags |= PIPE_CONTROL_FLUSH_L3;
+		flags |= PIPE_CONTROL_FLUSH_LLC;
 		flags |= PIPE_CONTROL_FLUSH_AMFS;
 		flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
 		flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
@@ -4776,6 +4777,7 @@ gen12_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
 				       PIPE_CONTROL_L3_FABRIC_FLUSH |
 				       PIPE_CONTROL_TILE_CACHE_FLUSH |
 				       PIPE_CONTROL_FLUSH_L3 |
+				       PIPE_CONTROL_FLUSH_LLC |
 				       PIPE_CONTROL_FLUSH_AMFS |
 				       PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
 				       PIPE_CONTROL_DEPTH_CACHE_FLUSH |
-- 
2.17.1