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5ab7af7151
The memcpy's destination buffer might have a different pitch than the source. Support different pitches as function argument. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Maxime Ripard <maxime@cerno.tech> Tested-by: nerdopolis <bluescreen_avenger@verizon.net> Link: https://patchwork.freedesktop.org/patch/msgid/20210430105840.30515-2-tzimmermann@suse.de
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2016 Noralf Trønnes
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*/
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#ifndef __LINUX_DRM_FORMAT_HELPER_H
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#define __LINUX_DRM_FORMAT_HELPER_H
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struct drm_framebuffer;
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struct drm_rect;
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void drm_fb_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb,
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struct drm_rect *clip);
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void drm_fb_memcpy_dstclip(void __iomem *dst, unsigned int dst_pitch, void *vaddr,
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struct drm_framebuffer *fb,
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struct drm_rect *clip);
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void drm_fb_swab(void *dst, void *src, struct drm_framebuffer *fb,
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struct drm_rect *clip, bool cached);
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void drm_fb_xrgb8888_to_rgb565(void *dst, void *vaddr,
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struct drm_framebuffer *fb,
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struct drm_rect *clip, bool swab);
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void drm_fb_xrgb8888_to_rgb565_dstclip(void __iomem *dst, unsigned int dst_pitch,
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void *vaddr, struct drm_framebuffer *fb,
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struct drm_rect *clip, bool swab);
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void drm_fb_xrgb8888_to_rgb888_dstclip(void __iomem *dst, unsigned int dst_pitch,
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void *vaddr, struct drm_framebuffer *fb,
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struct drm_rect *clip);
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void drm_fb_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
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struct drm_rect *clip);
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#endif /* __LINUX_DRM_FORMAT_HELPER_H */
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