openwrt/target/linux/brcm2708/patches-4.4/0274-drm-vc4-Improve-commen...

37 lines
1.1 KiB
Diff

From 2fa85567b77dc0a771cdeb37a4e6fb27ec23100d 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;
};