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drm: shmobile: Add support for DRM_FORMAT_XRGB8888

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DRM_FORMAT_XRGB8888 aka XR24 is the modus francus of DRM, and should be
supported by all drivers.

The handling for DRM_FORMAT_XRGB8888 is similar to DRM_FORMAT_ARGB8888,
just ignore the alpha channel.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/888cde6d1f70f1610931c4a89801060bb6765ff2.1684854992.git.geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2023-05-23 17:31:34 +02:00 committed by Thomas Zimmermann
parent d92b057f92
commit 2a98bad779
3 changed files with 11 additions and 0 deletions
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1
drivers/gpu/drm/shmobile/shmob_drm_crtc.c
View File

@ -232,6 +232,7 @@ static void shmob_drm_crtc_start(struct shmob_drm_crtc *scrtc)
value = LDDDSR_LS | LDDDSR_WS | LDDDSR_BS;
break;
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
default:
value = LDDDSR_LS;
break;

5
drivers/gpu/drm/shmobile/shmob_drm_kms.c
View File

@ -39,6 +39,11 @@ static const struct shmob_drm_format_info shmob_drm_format_infos[] = {
.bpp = 32,
.yuv = false,
.lddfr = LDDFR_PKF_ARGB32,
}, {
.fourcc = DRM_FORMAT_XRGB8888,
.bpp = 32,
.yuv = false,
.lddfr = LDDFR_PKF_ARGB32,
}, {
.fourcc = DRM_FORMAT_NV12,
.bpp = 12,

5
drivers/gpu/drm/shmobile/shmob_drm_plane.c
View File

@ -80,6 +80,7 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane,
format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW | LDBBSIFR_SWPB;
break;
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
default:
format |= LDBBSIFR_SWPL;
break;
@ -95,6 +96,9 @@ static void __shmob_drm_plane_setup(struct shmob_drm_plane *splane,
case DRM_FORMAT_ARGB8888:
format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDDFR_PKF_ARGB32;
break;
case DRM_FORMAT_XRGB8888:
format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDDFR_PKF_ARGB32;
break;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_420;
@ -231,6 +235,7 @@ static const uint32_t formats[] = {
DRM_FORMAT_RGB565,
DRM_FORMAT_RGB888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_NV12,
DRM_FORMAT_NV21,
DRM_FORMAT_NV16,