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drm/format-helper: Rework XRGB8888-to-GRAY8 conversion

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Update XRGB8888-to-GRAY8 conversion to support struct iosys_map
and convert all users. Although these are single-plane color formats,
the new interface supports multi-plane formats for consistency with
drm_fb_blit().

v2:
	* update documentation (Sam)
	* add TODO on vaddr location (Sam)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220808125406.20752-12-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2022-08-08 14:54:03 +02:00
parent ce73f45674
commit 7bef64490f
4 changed files with 46 additions and 17 deletions
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5
include/drm/drm_format_helper.h
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@ -32,8 +32,9 @@ void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pi
void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *vmap, const struct drm_framebuffer *fb,
const struct drm_rect *clip);
void drm_fb_xrgb8888_to_gray8(void *dst, unsigned int dst_pitch, const void *vaddr,
const struct drm_framebuffer *fb, const struct drm_rect *clip);
void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *vmap, const struct drm_framebuffer *fb,
const struct drm_rect *clip);
int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t dst_format,
const struct iosys_map *vmap, const struct drm_framebuffer *fb,