drm/fb_cma_helper: add suspend helper
Implement a suspend/resume helper for CMA users which calls drm_fb_helper_set_suspend. Suggested-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Stefan Agner <stefan@agner.ch>
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@ -582,3 +582,18 @@ void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma)
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drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper);
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drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper);
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}
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}
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EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event);
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EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event);
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/**
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* drm_fbdev_cma_set_suspend - wrapper around drm_fb_helper_set_suspend
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* @fbdev_cma: The drm_fbdev_cma struct, may be NULL
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* @state: desired state, zero to resume, non-zero to suspend
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*
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* Calls drm_fb_helper_set_suspend, which is a wrapper around
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* fb_set_suspend implemented by fbdev core.
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*/
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void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state)
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{
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if (fbdev_cma)
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drm_fb_helper_set_suspend(&fbdev_cma->fb_helper, state);
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}
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EXPORT_SYMBOL(drm_fbdev_cma_set_suspend);
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@ -23,6 +23,7 @@ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
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void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
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void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
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void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
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void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
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void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state);
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int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper,
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int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper,
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struct drm_fb_helper_surface_size *sizes,
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struct drm_fb_helper_surface_size *sizes,
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const struct drm_framebuffer_funcs *funcs);
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const struct drm_framebuffer_funcs *funcs);
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