[PATCH 5/7] drm/gud: Add GUD_PIXEL_FORMAT_RGB332
Noralf Trønnes
noralf at tronnes.org
Tue Aug 17 12:29:15 UTC 2021
Add support for the RGB332 pixel format.
Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
---
drivers/gpu/drm/gud/gud_drv.c | 2 ++
drivers/gpu/drm/gud/gud_internal.h | 4 ++++
drivers/gpu/drm/gud/gud_pipe.c | 2 ++
include/drm/gud.h | 1 +
4 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/gud/gud_drv.c b/drivers/gpu/drm/gud/gud_drv.c
index a8d76c76e868..e571ad10a12b 100644
--- a/drivers/gpu/drm/gud/gud_drv.c
+++ b/drivers/gpu/drm/gud/gud_drv.c
@@ -526,6 +526,8 @@ static int gud_probe(struct usb_interface *intf, const struct usb_device_id *id)
case DRM_FORMAT_R8:
fallthrough;
case GUD_DRM_FORMAT_XRGB1111:
+ fallthrough;
+ case DRM_FORMAT_RGB332:
if (!xrgb8888_emulation_format)
xrgb8888_emulation_format = info;
break;
diff --git a/drivers/gpu/drm/gud/gud_internal.h b/drivers/gpu/drm/gud/gud_internal.h
index 8499e713dbbc..249e02d1f5ed 100644
--- a/drivers/gpu/drm/gud/gud_internal.h
+++ b/drivers/gpu/drm/gud/gud_internal.h
@@ -84,6 +84,8 @@ static inline u8 gud_from_fourcc(u32 fourcc)
return GUD_PIXEL_FORMAT_R8;
case GUD_DRM_FORMAT_XRGB1111:
return GUD_PIXEL_FORMAT_XRGB1111;
+ case DRM_FORMAT_RGB332:
+ return GUD_PIXEL_FORMAT_RGB332;
case DRM_FORMAT_RGB565:
return GUD_PIXEL_FORMAT_RGB565;
case DRM_FORMAT_XRGB8888:
@@ -104,6 +106,8 @@ static inline u32 gud_to_fourcc(u8 format)
return DRM_FORMAT_R8;
case GUD_PIXEL_FORMAT_XRGB1111:
return GUD_DRM_FORMAT_XRGB1111;
+ case GUD_PIXEL_FORMAT_RGB332:
+ return DRM_FORMAT_RGB332;
case GUD_PIXEL_FORMAT_RGB565:
return DRM_FORMAT_RGB565;
case GUD_PIXEL_FORMAT_XRGB8888:
diff --git a/drivers/gpu/drm/gud/gud_pipe.c b/drivers/gpu/drm/gud/gud_pipe.c
index be4f95b2d59c..868a0b8a1f3e 100644
--- a/drivers/gpu/drm/gud/gud_pipe.c
+++ b/drivers/gpu/drm/gud/gud_pipe.c
@@ -191,6 +191,8 @@ static int gud_prep_flush(struct gud_device *gdrm, struct drm_framebuffer *fb,
}
} else if (format->format == DRM_FORMAT_R8) {
drm_fb_xrgb8888_to_gray8(buf, vaddr, fb, rect);
+ } else if (format->format == DRM_FORMAT_RGB332) {
+ drm_fb_xrgb8888_to_rgb332(buf, vaddr, fb, rect);
} else if (format->format == DRM_FORMAT_RGB565) {
drm_fb_xrgb8888_to_rgb565(buf, vaddr, fb, rect, gud_is_big_endian());
} else {
diff --git a/include/drm/gud.h b/include/drm/gud.h
index 1dc781009e62..4118dce2fcec 100644
--- a/include/drm/gud.h
+++ b/include/drm/gud.h
@@ -249,6 +249,7 @@ struct gud_state_req {
#define GUD_PIXEL_FORMAT_R1 0x01 /* 1-bit monochrome */
#define GUD_PIXEL_FORMAT_R8 0x08 /* 8-bit greyscale */
#define GUD_PIXEL_FORMAT_XRGB1111 0x20
+ #define GUD_PIXEL_FORMAT_RGB332 0x30
#define GUD_PIXEL_FORMAT_RGB565 0x40
#define GUD_PIXEL_FORMAT_XRGB8888 0x80
#define GUD_PIXEL_FORMAT_ARGB8888 0x81
--
2.32.0
More information about the dri-devel
mailing list