summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/drm_gem_framebuffer_helper.c
diff options
context:
space:
mode:
authorNoralf Trønnes <noralf@tronnes.org>2017-11-15 15:19:40 +0100
committerNoralf Trønnes <noralf@tronnes.org>2017-12-08 14:26:00 +0100
commite44f0801bb2868e7f6e50fb1eb823914383d829b (patch)
treec4338c7a75ce37ec222763f25929b1d907f4bcfa /drivers/gpu/drm/drm_gem_framebuffer_helper.c
parentc94bedabb3dd72ccc52395cf4f365ced8b4cabdf (diff)
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: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20171115142001.45358-2-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/drm_gem_framebuffer_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_framebuffer_helper.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index aa8cb9bfa499..4d682a6e8bcb 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -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);