diff options
author | Archit Taneja | 2015-07-22 14:57:57 +0530 |
---|---|---|
committer | Daniel Vetter | 2015-08-06 14:12:54 +0200 |
commit | 47074ab7951c1fcfc3ff637eb8401c3a71272057 (patch) | |
tree | 55bc4a3db5d5d0ba821e3b838771afd257bf967e /drivers/gpu/drm/drm_fb_helper.c | |
parent | b8017d6c33be9862505a9154e302c4b00cbfca43 (diff) |
drm/fb_helper: Create a wrapper for unlink_framebuffer
Some drm drivers call unlink_framebuffer. Create a drm_fb_helper function
that wraps around these calls.
This is part of an effort to prevent drm drivers from calling fbdev
functions directly, in order to make fbdev emulation a top level drm
option.
v2:
- Added kerneldocs
- Added a check for non-NULL fb_helper before proceeding. This will
make the helpers work when we have a module param for fbdev emulation
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 714c8af80180..5383c3f7d0ec 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -748,6 +748,19 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) } EXPORT_SYMBOL(drm_fb_helper_fini); +/** + * drm_fb_helper_unlink_fbi - wrapper around unlink_framebuffer + * @fb_helper: driver-allocated fbdev helper + * + * A wrapper around unlink_framebuffer implemented by fbdev core + */ +void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) +{ + if (fb_helper && fb_helper->fbdev) + unlink_framebuffer(fb_helper->fbdev); +} +EXPORT_SYMBOL(drm_fb_helper_unlink_fbi); + static int setcolreg(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, u16 regno, struct fb_info *info) { |