Enable the CCS_FLUSH bit 13 in the control pipe for render and compute engines in platforms starting from Meteor Lake (BSPEC 43904 and 47112).
Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Signed-off-by: Andi Shyti andi.shyti@linux.intel.com Cc: Jonathan Cavitt jonathan.cavitt@intel.com Cc: Nirmoy Das nirmoy.das@intel.com Cc: stable@vger.kernel.org # v5.8+ --- drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 7 +++++++ drivers/gpu/drm/i915/gt/intel_gpu_commands.h | 1 + 2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 7566c89d9def3..9d050b9a19194 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -218,6 +218,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
bit_group_0 |= PIPE_CONTROL0_HDC_PIPELINE_FLUSH;
+ /* + * When required, in MTL+ platforms we need to + * set the CCS_FLUSH bit in the pipe control + */ + if (GRAPHICS_VER_FULL(rq->i915) >= IP_VER(12, 70)) + bit_group_0 |= PIPE_CONTROL_CCS_FLUSH; + bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH; bit_group_1 |= PIPE_CONTROL_FLUSH_L3; bit_group_1 |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h index 5d143e2a8db03..5df7cce23197c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h @@ -299,6 +299,7 @@ #define PIPE_CONTROL_QW_WRITE (1<<14) #define PIPE_CONTROL_POST_SYNC_OP_MASK (3<<14) #define PIPE_CONTROL_DEPTH_STALL (1<<13) +#define PIPE_CONTROL_CCS_FLUSH (1<<13) /* MTL+ */ #define PIPE_CONTROL_WRITE_FLUSH (1<<12) #define PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH (1<<12) /* gen6+ */ #define PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE (1<<11) /* MBZ on ILK */