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| author | Noralf Trønnes <noralf@tronnes.org> | 2017-11-15 17:19:40 +0300 |
|---|---|---|
| committer | Noralf Trønnes <noralf@tronnes.org> | 2017-12-08 16:26:00 +0300 |
| commit | e44f0801bb2868e7f6e50fb1eb823914383d829b (patch) | |
| tree | c4338c7a75ce37ec222763f25929b1d907f4bcfa | |
| parent | c94bedabb3dd72ccc52395cf4f365ced8b4cabdf (diff) | |
| download | linux-e44f0801bb2868e7f6e50fb1eb823914383d829b.tar.xz | |
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
| -rw-r--r-- | drivers/gpu/drm/drm_gem_framebuffer_helper.c | 6 |
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); |