For scenarios where OF is not available, we can use panel identification by name.
v2: Use const char *name instead of name[NAME_MAX] (Thierry)
CC: Thierry Reding thierry.reding@gmail.com 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..7b4f559 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 (panel->name && 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..43b9004 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; + const char *name;
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