On Thu, Apr 09, 2015 at 05:36:21PM -0700, Chandra Konduru wrote:
Adding drm helper function to return plane pointer from index where index is a returned by drm_plane_index.
v2: -avoided nested loop by adding loop count (Daniel)
v3: -updated patch header prefix to 'drm' (Matt)
v4: -fixed a kerneldoc issue (kbuild-internal)
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Chandra Konduru chandra.konduru@intel.com
Applied with Dave's irc-ack. btw when resending patches please pick up r-b tags so I don't have to hunt around on the m-l to find them.
Thanks, Daniel
drivers/gpu/drm/drm_crtc.c | 23 +++++++++++++++++++++++ include/drm/drm_crtc.h | 1 + 2 files changed, 24 insertions(+)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index d576a4d..ad4d9ae 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1289,6 +1289,29 @@ unsigned int drm_plane_index(struct drm_plane *plane) EXPORT_SYMBOL(drm_plane_index);
/**
- drm_plane_from_index - find the registered plane at an index
- @dev: DRM device
- @idx: index of registered plane to find for
- Given a plane index, return the registered plane from DRM device's
- list of planes with matching index.
- */
+struct drm_plane * +drm_plane_from_index(struct drm_device *dev, int idx) +{
- struct drm_plane *plane;
- unsigned int i = 0;
- list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
if (i == idx)return plane;i++;- }
- return NULL;
+} +EXPORT_SYMBOL(drm_plane_from_index);
+/**
- drm_plane_force_disable - Forcibly disable a plane
- @plane: plane to disable
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 7b5c661..6b30036 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1264,6 +1264,7 @@ extern int drm_plane_init(struct drm_device *dev, bool is_primary); extern void drm_plane_cleanup(struct drm_plane *plane); extern unsigned int drm_plane_index(struct drm_plane *plane); +extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); extern void drm_plane_force_disable(struct drm_plane *plane); extern int drm_plane_check_pixel_format(const struct drm_plane *plane, u32 format); -- 1.7.9.5
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