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drm/fb-cma-helper: Add function drm_fb_cma_create_with_funcs()
Add drm_fb_cma_create_with_funcs() for drivers that need to set the dirty() callback. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1463077523-23959-3-git-send-email-noralf@tronnes.org
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@ -159,13 +159,17 @@ static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev,
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}
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/**
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* drm_fb_cma_create() - (struct drm_mode_config_funcs *)->fb_create callback function
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* drm_fb_cma_create_with_funcs() - helper function for the
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* &drm_mode_config_funcs ->fb_create
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* callback function
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*
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* If your hardware has special alignment or pitch requirements these should be
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* checked before calling this function.
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* This can be used to set &drm_framebuffer_funcs for drivers that need the
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* dirty() callback. Use drm_fb_cma_create() if you don't need to change
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* &drm_framebuffer_funcs.
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*/
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struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
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struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd)
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struct drm_framebuffer *drm_fb_cma_create_with_funcs(struct drm_device *dev,
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struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd,
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const struct drm_framebuffer_funcs *funcs)
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{
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struct drm_fb_cma *fb_cma;
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struct drm_gem_cma_object *objs[4];
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@ -202,7 +206,7 @@ struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
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objs[i] = to_drm_gem_cma_obj(obj);
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}
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fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i, &drm_fb_cma_funcs);
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fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i, funcs);
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if (IS_ERR(fb_cma)) {
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ret = PTR_ERR(fb_cma);
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goto err_gem_object_unreference;
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@ -215,6 +219,21 @@ err_gem_object_unreference:
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drm_gem_object_unreference_unlocked(&objs[i]->base);
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return ERR_PTR(ret);
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}
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EXPORT_SYMBOL_GPL(drm_fb_cma_create_with_funcs);
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/**
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* drm_fb_cma_create() - &drm_mode_config_funcs ->fb_create callback function
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*
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* If your hardware has special alignment or pitch requirements these should be
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* checked before calling this function. Use drm_fb_cma_create_with_funcs() if
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* you need to set &drm_framebuffer_funcs ->dirty.
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*/
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struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
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struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd)
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{
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return drm_fb_cma_create_with_funcs(dev, file_priv, mode_cmd,
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&drm_fb_cma_funcs);
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}
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EXPORT_SYMBOL_GPL(drm_fb_cma_create);
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/**
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@ -31,6 +31,9 @@ void drm_fb_cma_destroy(struct drm_framebuffer *fb);
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int drm_fb_cma_create_handle(struct drm_framebuffer *fb,
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struct drm_file *file_priv, unsigned int *handle);
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struct drm_framebuffer *drm_fb_cma_create_with_funcs(struct drm_device *dev,
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struct drm_file *file_priv, 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 *drm_fb_cma_create(struct drm_device *dev,
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struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd);
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