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-rw-r--r--drivers/gpu/drm/i915/i915_gem.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 02ef50d512d6..0f50574076b1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2067,8 +2067,14 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj)
i915_gem_clflush_object(obj);
}
- if ((obj->pending_write_domain | flush_domains) != 0)
- obj->write_domain = obj->pending_write_domain;
+ /* The actual obj->write_domain will be updated with
+ * pending_write_domain after we emit the accumulated flush for all
+ * of our domain changes in execbuffers (which clears objects'
+ * write_domains). So if we have a current write domain that we
+ * aren't changing, set pending_write_domain to that.
+ */
+ if (flush_domains == 0 && obj->pending_write_domain == 0)
+ obj->pending_write_domain = obj->write_domain;
obj->read_domains = obj->pending_read_domains;
dev->invalidate_domains |= invalidate_domains;
@@ -2598,6 +2604,12 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
(void)i915_add_request(dev, dev->flush_domains);
}
+ for (i = 0; i < args->buffer_count; i++) {
+ struct drm_gem_object *obj = object_list[i];
+
+ obj->write_domain = obj->pending_write_domain;
+ }
+
i915_verify_inactive(dev, __FILE__, __LINE__);
#if WATCH_COHERENCY
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