drm: Add name for DRM_DP_DUAL_MODE_LSPCON

Handle DRM_DP_DUAL_MODE_LSPCON in drm_dp_get_dual_mode_type_name(),
otherwise a call to that function can theoretically trigger a WARN.

Fixes: 056996b95686 ("drm: Helper for lspcon in drm_dp_dual_mode")
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170222125928.30223-1-ander.conselvan.de.oliveira@intel.com

diff --git a/drivers/gpu/drm/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/drm_dp_dual_mode_helper.c
index e025639662718cc6441a897ffa713fc5404cc66e..80e62f6693215f1deaf9d40af232f56d800d9ac3 100644 (file)
--- a/drivers/gpu/drm/drm_dp_dual_mode_helper.c
+++ b/drivers/gpu/drm/drm_dp_dual_mode_helper.c
@@ -386,6 +386,8 @@ const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type)
                return "type 2 DVI";
        case DRM_DP_DUAL_MODE_TYPE2_HDMI:
                return "type 2 HDMI";
+       case DRM_DP_DUAL_MODE_LSPCON:
+               return "lspcon";
        default:
                WARN_ON(type != DRM_DP_DUAL_MODE_UNKNOWN);
                return "unknown";