Create and export an helper to display plane type using the property string. This could be used to display debug information in VKMS.
Reviewed-by: José Expósito <[email protected]> Signed-off-by: Louis Chauvet <[email protected]> --- drivers/gpu/drm/drm_mode_config.c | 16 ++++++++++++++++ include/drm/drm_mode_config.h | 3 +++ 2 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index d12db9b0bab8..c940a67e255b 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -231,6 +231,22 @@ static const struct drm_prop_enum_list drm_plane_type_enum_list[] = { { DRM_PLANE_TYPE_CURSOR, "Cursor" }, }; +/** + * drm_get_plane_type_name - return a string for plane name + * @type: plane type to compute name of + * + * Returns: The name of the plane type. "(unknown)" if type is not a known + * plane type. + */ +const char *drm_get_plane_type_name(enum drm_plane_type type) +{ + if (type > 0 && type < ARRAY_SIZE(drm_plane_type_enum_list)) + return drm_plane_type_enum_list[type].name; + else + return "(unknown)"; +} +EXPORT_SYMBOL(drm_get_plane_type_name); + static int drm_mode_create_standard_properties(struct drm_device *dev) { struct drm_property *prop; diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 895fb820dba0..f4c580fa2a52 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -30,6 +30,7 @@ #include <linux/llist.h> #include <drm/drm_modeset_lock.h> +#include <drm/drm_plane.h> struct drm_file; struct drm_device; @@ -1001,4 +1002,6 @@ static inline int drm_mode_config_init(struct drm_device *dev) void drm_mode_config_reset(struct drm_device *dev); void drm_mode_config_cleanup(struct drm_device *dev); +const char *drm_get_plane_type_name(enum drm_plane_type type); + #endif -- 2.51.2
