drm/gud: Add GUD_PIXEL_FORMAT_RGB888

Add support for the RGB888 pixel format.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929191201.34456-7-noralf@tronnes.org

diff --git a/drivers/gpu/drm/gud/gud_drv.c b/drivers/gpu/drm/gud/gud_drv.c
index e571ad1..3f9d4b9 100644 (file)
--- a/drivers/gpu/drm/gud/gud_drv.c
+++ b/drivers/gpu/drm/gud/gud_drv.c
@@ -528,6 +528,8 @@ static int gud_probe(struct usb_interface *intf, const struct usb_device_id *id)
                case GUD_DRM_FORMAT_XRGB1111:
                        fallthrough;
                case DRM_FORMAT_RGB332:
+                       fallthrough;
+               case DRM_FORMAT_RGB888:
                        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 249e02d..e351a1f 100644 (file)
--- a/drivers/gpu/drm/gud/gud_internal.h
+++ b/drivers/gpu/drm/gud/gud_internal.h
@@ -88,6 +88,8 @@ static inline u8 gud_from_fourcc(u32 fourcc)
                return GUD_PIXEL_FORMAT_RGB332;
        case DRM_FORMAT_RGB565:
                return GUD_PIXEL_FORMAT_RGB565;
+       case DRM_FORMAT_RGB888:
+               return GUD_PIXEL_FORMAT_RGB888;
        case DRM_FORMAT_XRGB8888:
                return GUD_PIXEL_FORMAT_XRGB8888;
        case DRM_FORMAT_ARGB8888:
@@ -110,6 +112,8 @@ static inline u32 gud_to_fourcc(u8 format)
                return DRM_FORMAT_RGB332;
        case GUD_PIXEL_FORMAT_RGB565:
                return DRM_FORMAT_RGB565;
+       case GUD_PIXEL_FORMAT_RGB888:
+               return DRM_FORMAT_RGB888;
        case GUD_PIXEL_FORMAT_XRGB8888:
                return DRM_FORMAT_XRGB8888;
        case GUD_PIXEL_FORMAT_ARGB8888:

diff --git a/drivers/gpu/drm/gud/gud_pipe.c b/drivers/gpu/drm/gud/gud_pipe.c
index 868a0b8..daf75c1 100644 (file)
--- a/drivers/gpu/drm/gud/gud_pipe.c
+++ b/drivers/gpu/drm/gud/gud_pipe.c
@@ -195,6 +195,8 @@ retry:
                        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 if (format->format == DRM_FORMAT_RGB888) {
+                       drm_fb_xrgb8888_to_rgb888(buf, vaddr, fb, rect);
                } else {
                        len = gud_xrgb8888_to_color(buf, format, vaddr, fb, rect);
                }

diff --git a/include/drm/gud.h b/include/drm/gud.h
index 4118dce..c52a8ba 100644 (file)
--- a/include/drm/gud.h
+++ b/include/drm/gud.h
@@ -251,6 +251,7 @@ struct gud_state_req {
   #define GUD_PIXEL_FORMAT_XRGB1111            0x20
   #define GUD_PIXEL_FORMAT_RGB332              0x30
   #define GUD_PIXEL_FORMAT_RGB565              0x40
+  #define GUD_PIXEL_FORMAT_RGB888              0x50
   #define GUD_PIXEL_FORMAT_XRGB8888            0x80
   #define GUD_PIXEL_FORMAT_ARGB8888            0x81