diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-02-26 11:51:06 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2016-03-02 17:31:03 +0100 |
| commit | c8a3b2ae07130042682bc8e031bcfbae3754463d (patch) | |
| tree | 6594793d6229f8cacbba4667d80000eb1abee438 /drivers/gpu/drm/drm_bridge.c | |
| parent | 06a9dc65afbd9d9e81ee6352a13f968e0540237e (diff) | |
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>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/drm_bridge.c')
| -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); } |