Commit 1f25d005 authored by Noralf Trønnes's avatar Noralf Trønnes
Browse files

drm/gud: Add GUD_PIXEL_FORMAT_RGB332 



Add support for the RGB332 pixel format.

Acked-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: default avatarNoralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929191201.34456-6-noralf@tronnes.org
parent 4cabfedc

drivers/gpu/drm/gud/gud_drv.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/gud/gud_internal.h

+4 −0
Original line number Diff line number Diff line
@@ -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:

drivers/gpu/drm/gud/gud_pipe.c

+2 −0
Original line number Diff line number Diff line
@@ -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 {

include/drm/gud.h

+1 −0
Original line number Diff line number Diff line
@@ -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