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820c170717
The function drm_gem_fb_prepare_fb() is a helper for atomic modesetting, but currently located next to framebuffer helpers. Move it to GEM atomic helpers, rename it slightly and adopt the drivers. Same for the rsp simple-pipe helper. Compile-tested with x86-64, aarch64 and arm. The patch is fairly large, but there are no functional changes. v3: * remove out-comented line in drm_gem_framebuffer_helper.h (Maxime) v2: * rename to drm_gem_plane_helper_prepare_fb() (Daniel) * add tutorial-style documentation Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210222141756.7864-1-tzimmermann@suse.de
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
#ifndef __DRM_GEM_FB_HELPER_H__
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#define __DRM_GEM_FB_HELPER_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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#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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