drm/vc4: Add comments for which HVS_PIXEL_ORDER_xxx defines apply

The HVS_PIXEL_ORDER_xxx defines apply to specific HVS_PIXEL_FORMAT_xxx
modes, so add comments to make this obvious.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20221207-rpi-hvs-crtc-misc-v1-12-1f8e0770798b@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
This commit is contained in:
Dave Stevenson 2022-12-07 12:53:23 +01:00 committed by Maxime Ripard
parent 977374cf48
commit 6c37c9c65d
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1 changed files with 3 additions and 0 deletions

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@ -848,16 +848,19 @@ enum hvs_pixel_format {
/* Note: the LSB is the rightmost character shown. Only valid for /* Note: the LSB is the rightmost character shown. Only valid for
* HVS_PIXEL_FORMAT_RGB8888, not RGB888. * HVS_PIXEL_FORMAT_RGB8888, not RGB888.
*/ */
/* For modes 332, 4444, 555, 5551, 6666, 8888, 10:10:10:2 */
#define HVS_PIXEL_ORDER_RGBA 0 #define HVS_PIXEL_ORDER_RGBA 0
#define HVS_PIXEL_ORDER_BGRA 1 #define HVS_PIXEL_ORDER_BGRA 1
#define HVS_PIXEL_ORDER_ARGB 2 #define HVS_PIXEL_ORDER_ARGB 2
#define HVS_PIXEL_ORDER_ABGR 3 #define HVS_PIXEL_ORDER_ABGR 3
/* For modes 666 and 888 (4 & 5) */
#define HVS_PIXEL_ORDER_XBRG 0 #define HVS_PIXEL_ORDER_XBRG 0
#define HVS_PIXEL_ORDER_XRBG 1 #define HVS_PIXEL_ORDER_XRBG 1
#define HVS_PIXEL_ORDER_XRGB 2 #define HVS_PIXEL_ORDER_XRGB 2
#define HVS_PIXEL_ORDER_XBGR 3 #define HVS_PIXEL_ORDER_XBGR 3
/* For YCbCr modes (8-12, and 17) */
#define HVS_PIXEL_ORDER_XYCBCR 0 #define HVS_PIXEL_ORDER_XYCBCR 0
#define HVS_PIXEL_ORDER_XYCRCB 1 #define HVS_PIXEL_ORDER_XYCRCB 1
#define HVS_PIXEL_ORDER_YXCBCR 2 #define HVS_PIXEL_ORDER_YXCBCR 2