drm: add DP MST encoder type

This adds an encoder type for DP MST encoders.

Reviewed-by: Todd Previte <tprevite@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 37a3e07..edee61b 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -227,6 +227,7 @@ static const struct drm_prop_enum_list drm_encoder_enum_list[] =
        { DRM_MODE_ENCODER_TVDAC, "TV" },
        { DRM_MODE_ENCODER_VIRTUAL, "Virtual" },
        { DRM_MODE_ENCODER_DSI, "DSI" },
+       { DRM_MODE_ENCODER_DPMST, "DP MST" },
 };
 
 static const struct drm_prop_enum_list drm_subpixel_enum_list[] =

diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index f104c26..719add4 100644 (file)
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -181,6 +181,7 @@ struct drm_mode_get_plane_res {
 #define DRM_MODE_ENCODER_TVDAC 4
 #define DRM_MODE_ENCODER_VIRTUAL 5
 #define DRM_MODE_ENCODER_DSI   6
+#define DRM_MODE_ENCODER_DPMST 7
 
 struct drm_mode_get_encoder {
        __u32 encoder_id;