diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-02-26 12:51:06 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-03-29 09:34:05 +0300 |
| commit | 11622d4c638ad3dd229e39064d0e5726c4f3b454 (patch) | |
| tree | 5e5861b4e5c89e6c07673b46a6f90c4b5ecd8bb9 /drivers/gpu/drm | |
| parent | b47bcb93bbf201e9c5af698945755efeb60c0bc8 (diff) | |
| download | linux-11622d4c638ad3dd229e39064d0e5726c4f3b454.tar.xz | |
drm: bridge: Make (pre/post) enable/disable callbacks optional
Instead of forcing bridges to implement empty callbacks make them all
optional.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1456480266-7904-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com
Acked-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/drm_bridge.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index bd93453afa61..b3654404abd0 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -186,7 +186,8 @@ void drm_bridge_disable(struct drm_bridge *bridge) drm_bridge_disable(bridge->next); - bridge->funcs->disable(bridge); + if (bridge->funcs->disable) + bridge->funcs->disable(bridge); } EXPORT_SYMBOL(drm_bridge_disable); @@ -206,7 +207,8 @@ void drm_bridge_post_disable(struct drm_bridge *bridge) if (!bridge) return; - bridge->funcs->post_disable(bridge); + if (bridge->funcs->post_disable) + bridge->funcs->post_disable(bridge); drm_bridge_post_disable(bridge->next); } @@ -256,7 +258,8 @@ void drm_bridge_pre_enable(struct drm_bridge *bridge) drm_bridge_pre_enable(bridge->next); - bridge->funcs->pre_enable(bridge); + if (bridge->funcs->pre_enable) + bridge->funcs->pre_enable(bridge); } EXPORT_SYMBOL(drm_bridge_pre_enable); @@ -276,7 +279,8 @@ void drm_bridge_enable(struct drm_bridge *bridge) if (!bridge) return; - bridge->funcs->enable(bridge); + if (bridge->funcs->enable) + bridge->funcs->enable(bridge); drm_bridge_enable(bridge->next); } |