openwrtv4/target/linux/brcm2708/patches-4.4/0274-drm-vc4-Improve-comments-on-vc4_plane_state-members.patch

From 464137e9a7f5c690a0125679936d9b86799f3dc0 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 28 Dec 2015 14:14:09 -0800
Subject: [PATCH] drm/vc4: Improve comments on vc4_plane_state members.

Signed-off-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit f427fb16cf756548c39256b569cf083f39bcc4e9)
---
 drivers/gpu/drm/vc4/vc4_plane.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -26,16 +26,19 @@
 
 struct vc4_plane_state {
 	struct drm_plane_state base;
+	/* System memory copy of the display list for this element, computed
+	 * at atomic_check time.
+	 */
 	u32 *dlist;
-	u32 dlist_size; /* Number of dwords in allocated for the display list */
+	u32 dlist_size; /* Number of dwords allocated for the display list */
 	u32 dlist_count; /* Number of used dwords in the display list. */
 
 	/* Offset in the dlist to pointer word 0. */
 	u32 pw0_offset;
 
 	/* Offset where the plane's dlist was last stored in the
-	   hardware at vc4_crtc_atomic_flush() time.
-	*/
+	 * hardware at vc4_crtc_atomic_flush() time.
+	 */
 	u32 *hw_dlist;
 };