xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/bridge: Make (pre/post) enable/disable callbacks optional

Browse Source 
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>
This commit is contained in:
Laurent Pinchart
2016-02-26 11:51:06 +02:00
committed by Thierry Reding
parent 06a9dc65af
commit c8a3b2ae07
2 changed files with 16 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/drm_bridge.c
View File

@@ -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);
}