drm/edid: Clean up DRM_EDID_DIGITAL_* flags

Give the "DFP 1.x" bit a proper name, and clean up the rest
of the bits defines as well.

Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190529110204.2384-1-ville.syrjala@linux.intel.com
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>

drivers/gpu/drm/drm_edid.c

@@ -4570,7 +4570,7 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi
 	 * extensions which tell otherwise.
 	 */
 	if ((info->bpc == 0) && (edid->revision < 4) &&
-	    (edid->input & DRM_EDID_DIGITAL_TYPE_DVI)) {
+	    (edid->input & DRM_EDID_DIGITAL_DFP_1_X)) {
 		info->bpc = 8;
 		DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
 			  connector->name, info->bpc);

include/drm/drm_edid.h

@@ -177,21 +177,23 @@ struct detailed_timing {
 #define DRM_EDID_INPUT_BLANK_TO_BLACK  (1 << 4)
 #define DRM_EDID_INPUT_VIDEO_LEVEL     (3 << 5)
 #define DRM_EDID_INPUT_DIGITAL         (1 << 7)
-#define DRM_EDID_DIGITAL_DEPTH_MASK    (7 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_UNDEF   (0 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_6       (1 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_8       (2 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_10      (3 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_12      (4 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_14      (5 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_16      (6 << 4)
-#define DRM_EDID_DIGITAL_DEPTH_RSVD    (7 << 4)
-#define DRM_EDID_DIGITAL_TYPE_UNDEF    (0)
-#define DRM_EDID_DIGITAL_TYPE_DVI      (1)
-#define DRM_EDID_DIGITAL_TYPE_HDMI_A   (2)
-#define DRM_EDID_DIGITAL_TYPE_HDMI_B   (3)
-#define DRM_EDID_DIGITAL_TYPE_MDDI     (4)
-#define DRM_EDID_DIGITAL_TYPE_DP       (5)
+#define DRM_EDID_DIGITAL_DEPTH_MASK    (7 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_UNDEF   (0 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_6       (1 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_8       (2 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_10      (3 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_12      (4 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_14      (5 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_16      (6 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_DEPTH_RSVD    (7 << 4) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_MASK     (7 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_UNDEF    (0 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_DVI      (1 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_HDMI_A   (2 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_HDMI_B   (3 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_MDDI     (4 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_TYPE_DP       (5 << 0) /* 1.4 */
+#define DRM_EDID_DIGITAL_DFP_1_X       (1 << 0) /* 1.3 */
 
 #define DRM_EDID_FEATURE_DEFAULT_GTF      (1 << 0)
 #define DRM_EDID_FEATURE_PREFERRED_TIMING (1 << 1)