drm/i915: drop the double-OP_STOREDW usage in blt_ring_flush

This has been introduced in "drm/i915: TLB invalidation with
MI_FLUSH_DW requires a post-sync op".

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index f7617a4e005f419487365a1a78be3e9a88845805..a035ac223fb0dbe5f165003b659c64488c79e592 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1475,7 +1475,7 @@ static int blt_ring_flush(struct intel_ring_buffer *ring,
         */
        if (invalidate & I915_GEM_DOMAIN_RENDER)
                cmd |= MI_INVALIDATE_TLB | MI_FLUSH_DW_STORE_INDEX |
-                       MI_FLUSH_DW_OP_STOREDW | MI_FLUSH_DW_OP_STOREDW;
+                       MI_FLUSH_DW_OP_STOREDW;
        intel_ring_emit(ring, cmd);
        intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
        intel_ring_emit(ring, 0);