diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 88e2e114189ce0c97cddbcbc9b2c5f77177027d8..981e14f000e373eac39057239667dc299d80cf47 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -885,11 +885,16 @@ i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring, return ret; } - /* Unconditionally invalidate gpu caches. */ - ret = i915_gem_flush_ring(ring, I915_GEM_GPU_DOMAINS, 0); + /* Unconditionally invalidate gpu caches and ensure that we do flush + * any residual writes from the previous batch. + */ + ret = i915_gem_flush_ring(ring, + I915_GEM_GPU_DOMAINS, + ring->gpu_caches_dirty ? I915_GEM_GPU_DOMAINS : 0); if (ret) return ret; + ring->gpu_caches_dirty = false; return 0; }