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43b36232de
Add an additional argument to drm_gem_fb_vmap() to return each BO's mapping adjusted by the respective offset. Update all callers. The newly returned values point to the first byite of the data stored in the framebuffer BOs. Drivers that access the BO data should use it. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-2-tzimmermann@suse.de
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
#ifndef __DRM_GEM_FB_HELPER_H__
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#define __DRM_GEM_FB_HELPER_H__
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#include <linux/dma-buf.h>
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#include <linux/dma-buf-map.h>
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#include <drm/drm_fourcc.h>
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struct drm_afbc_framebuffer;
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struct drm_device;
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struct drm_fb_helper_surface_size;
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struct drm_file;
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struct drm_framebuffer;
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struct drm_framebuffer_funcs;
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struct drm_gem_object;
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struct drm_mode_fb_cmd2;
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#define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52)
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struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
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unsigned int plane);
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void drm_gem_fb_destroy(struct drm_framebuffer *fb);
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int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
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unsigned int *handle);
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int drm_gem_fb_init_with_funcs(struct drm_device *dev,
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struct drm_framebuffer *fb,
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struct drm_file *file,
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const struct drm_mode_fb_cmd2 *mode_cmd,
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const struct drm_framebuffer_funcs *funcs);
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struct drm_framebuffer *
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drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
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const struct drm_mode_fb_cmd2 *mode_cmd,
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const struct drm_framebuffer_funcs *funcs);
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struct drm_framebuffer *
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drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
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const struct drm_mode_fb_cmd2 *mode_cmd);
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struct drm_framebuffer *
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drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
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const struct drm_mode_fb_cmd2 *mode_cmd);
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int drm_gem_fb_vmap(struct drm_framebuffer *fb,
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struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES],
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struct dma_buf_map data[DRM_FORMAT_MAX_PLANES]);
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void drm_gem_fb_vunmap(struct drm_framebuffer *fb,
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struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES]);
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int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
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void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
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#define drm_is_afbc(modifier) \
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(((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
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int drm_gem_fb_afbc_init(struct drm_device *dev,
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const struct drm_mode_fb_cmd2 *mode_cmd,
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struct drm_afbc_framebuffer *afbc_fb);
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#endif
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