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path: root/drivers/gpu/drm/i915/i915_gem_execbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 1978633e7549..b35e5b6475b2 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -943,8 +943,6 @@ i915_gem_execbuffer_move_to_gpu(struct drm_i915_gem_request *req,
{
const unsigned other_rings = ~intel_engine_flag(req->engine);
struct i915_vma *vma;
- uint32_t flush_domains = 0;
- bool flush_chipset = false;
int ret;
list_for_each_entry(vma, vmas, exec_list) {
@@ -957,16 +955,11 @@ i915_gem_execbuffer_move_to_gpu(struct drm_i915_gem_request *req,
}
if (obj->base.write_domain & I915_GEM_DOMAIN_CPU)
- flush_chipset |= i915_gem_clflush_object(obj, false);
-
- flush_domains |= obj->base.write_domain;
+ i915_gem_clflush_object(obj, false);
}
- if (flush_chipset)
- i915_gem_chipset_flush(req->engine->i915);
-
- if (flush_domains & I915_GEM_DOMAIN_GTT)
- wmb();
+ /* Unconditionally flush any chipset caches (for streaming writes). */
+ i915_gem_chipset_flush(req->engine->i915);
/* Unconditionally invalidate gpu caches and ensure that we do flush
* any residual writes from the previous batch.