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Commit e44f0801 authored by Noralf Trønnes's avatar Noralf Trønnes
Browse files

drm/gem-fb-helper: drm_gem_fbdev_fb_create() make funcs optional 



Make the drm_framebuffer_funcs argument optional for drivers that
don't need to set the dirty callback.

Signed-off-by: default avatarNoralf Trønnes <noralf@tronnes.org>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171115142001.45358-2-noralf@tronnes.org
parent c94bedab

drivers/gpu/drm/drm_gem_framebuffer_helper.c

+5 −1
Original line number Diff line number Diff line
@@ -272,7 +272,8 @@ EXPORT_SYMBOL_GPL(drm_gem_fb_prepare_fb); 
 * @sizes: fbdev size description

 * @pitch_align: Optional pitch alignment

 * @obj: GEM object backing the framebuffer

 * @funcs: vtable to be used for the new framebuffer object

 * @funcs: Optional vtable to be used for the new framebuffer object when the

 *         dirty callback is needed.

 *

 * This function creates a framebuffer from a &drm_fb_helper_surface_size

 * description for use in the &drm_fb_helper_funcs.fb_probe callback.
@@ -300,6 +301,9 @@ drm_gem_fbdev_fb_create(struct drm_device *dev, 
	if (obj->size < mode_cmd.pitches[0] * mode_cmd.height)

		return ERR_PTR(-EINVAL);



	if (!funcs)

		funcs = &drm_gem_fb_funcs;



	return drm_gem_fb_alloc(dev, &mode_cmd, &obj, 1, funcs);

}

EXPORT_SYMBOL(drm_gem_fbdev_fb_create);