Re: [Intel-gfx] [RFC v3 1/4] drm: Add support to find drm_panel by name

On 01/27/2015 03:01 PM, Shobhit Kumar wrote:

For scenarios where OF is not available, we can use panel identification by name.

Any body had a look at this ?

Regards Shobhit

Signed-off-by: Shobhit Kumar shobhit.kumar@intel.com

drivers/gpu/drm/drm_panel.c | 18 ++++++++++++++++++ include/drm/drm_panel.h | 3 +++ 2 files changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index 2ef988e..e1cb8cf 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -95,6 +95,24 @@ struct drm_panel *of_drm_find_panel(struct device_node *np) EXPORT_SYMBOL(of_drm_find_panel); #endif

+struct drm_panel *drm_find_panel_by_name(const char *name) +{

• struct drm_panel *panel;
• mutex_lock(&panel_lock);
• list_for_each_entry(panel, &panel_list, list) {

• if (strcmp(panel->name, name) == 0) {
  

• 	mutex_unlock(&panel_lock);
  

• 	return panel;
  

• }
  

• }
• mutex_unlock(&panel_lock);
• return NULL;

+} +EXPORT_SYMBOL(drm_find_panel_by_name);

MODULE_AUTHOR("Thierry Reding treding@nvidia.com"); MODULE_DESCRIPTION("DRM panel infrastructure"); MODULE_LICENSE("GPL and additional rights"); diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index 1fbcc96..1ef9ff3 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -74,6 +74,7 @@ struct drm_panel { struct drm_device *drm; struct drm_connector *connector; struct device *dev;

• char name[NAME_MAX];

  const struct drm_panel_funcs *funcs;

@@ -137,4 +138,6 @@ static inline struct drm_panel *of_drm_find_panel(struct device_node *np) } #endif

+struct drm_panel *drm_find_panel_by_name(const char *name);

#endif