From 30f0c2f0da952655da949c2af36bf53138092ba5 Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Mon, 6 Jun 2022 14:53:56 +0100 Subject: [PATCH] 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 --- drivers/gpu/drm/vc4/vc4_regs.h | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -870,16 +870,19 @@ enum hvs_pixel_format { /* Note: the LSB is the rightmost character shown. Only valid for * 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_BGRA 1 #define HVS_PIXEL_ORDER_ARGB 2 #define HVS_PIXEL_ORDER_ABGR 3 +/* For modes 666 and 888 (4 & 5) */ #define HVS_PIXEL_ORDER_XBRG 0 #define HVS_PIXEL_ORDER_XRBG 1 #define HVS_PIXEL_ORDER_XRGB 2 #define HVS_PIXEL_ORDER_XBGR 3 +/* For YCbCr modes (8-12, and 17) */ #define HVS_PIXEL_ORDER_XYCBCR 0 #define HVS_PIXEL_ORDER_XYCRCB 1 #define HVS_PIXEL_ORDER_YXCBCR 2