1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0a4f39b9a0ec..adc972cc6bfc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -244,6 +244,10 @@ typedef struct drm_i915_private {
                  * List of objects currently involved in rendering from the
                  * ringbuffer.
                  *
+                 * Includes buffers having the contents of their GPU caches
+                 * flushed, not necessarily primitives.  last_rendering_seqno
+                 * represents when the rendering involved will be completed.
+                 *
                  * A reference is held on the buffer while on this list.
                  */
                 struct list_head active_list;
@@ -253,6 +257,8 @@ typedef struct drm_i915_private {
                  * still have a write_domain which needs to be flushed before
                  * unbinding.
                  *
+                 * last_rendering_seqno is 0 while an object is in this list.
+                 *
                  * A reference is held on the buffer while on this list.
                  */
                 struct list_head flushing_list;
@@ -261,6 +267,8 @@ typedef struct drm_i915_private {
                  * LRU list of objects which are not in the ringbuffer and
                  * are ready to unbind, but are still in the GTT.
                  *
+                 * last_rendering_seqno is 0 while an object is in this list.
+                 *
                  * A reference is not held on the buffer while on this list,
                  * as merely being GTT-bound shouldn't prevent its being
                  * freed, and we'll pull it off the list in the free path.
@@ -371,8 +379,8 @@ struct drm_i915_gem_object {
         uint32_t agp_type;
 
         /**
-         * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
-         * GEM_DOMAIN_CPU is not in the object's read domain.
+         * If present, while GEM_DOMAIN_CPU is in the read domain this array
+         * flags which individual pages are valid.
          */
         uint8_t *page_cpu_valid;
 };
@@ -394,9 +402,6 @@ struct drm_i915_gem_request {
         /** Time at which this request was emitted, in jiffies. */
         unsigned long emitted_jiffies;
 
-        /** Cache domains that were flushed at the start of the request. */
-        uint32_t flush_domains;
-
         struct list_head list;
 };