drm/edid: Move dvi_dual/max_tmds_clock to drm_display_info

We have the drm_display_info for storing information about the sink, so
let's move dvi_dual and max_tmds_clock in there.

v2: Deal with superfluous code shuffling
    Document dvi_dual and max_tmds_clock too

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475070703-6435-5-git-send-email-ville.syrjala@linux.intel.com

drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c

@@ -168,12 +168,12 @@ int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
 		}
 
 		/* Any defined maximum tmds clock limit we must not exceed? */
-		if (connector->max_tmds_clock > 0) {
+		if (connector->display_info.max_tmds_clock > 0) {
 			/* mode_clock is clock in kHz for mode to be modeset on this connector */
 			mode_clock = amdgpu_connector->pixelclock_for_modeset;
 
 			/* Maximum allowable input clock in kHz */
-			max_tmds_clock = connector->max_tmds_clock;
+			max_tmds_clock = connector->display_info.max_tmds_clock;
 
 			DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 				  connector->name, mode_clock, max_tmds_clock);

drivers/gpu/drm/drm_edid.c

@@ -3255,14 +3255,15 @@ static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
 static void
 parse_hdmi_vsdb(struct drm_connector *connector, const u8 *db)
 {
+	struct drm_display_info *info = &connector->display_info;
 	u8 len = cea_db_payload_len(db);
 
 	if (len >= 6) {
 		connector->eld[5] |= (db[6] >> 7) << 1;  /* Supports_AI */
-		connector->dvi_dual = db[6] & 1;
+		info->dvi_dual = db[6] & 1;
 	}
 	if (len >= 7)
-		connector->max_tmds_clock = db[7] * 5000;
+		info->max_tmds_clock = db[7] * 5000;
 	if (len >= 8) {
 		connector->latency_present[0] = db[8] >> 7;
 		connector->latency_present[1] = (db[8] >> 6) & 1;
@@ -3281,8 +3282,8 @@ parse_hdmi_vsdb(struct drm_connector *connector, const u8 *db)
 		    "latency present %d %d, "
 		    "video latency %d %d, "
 		    "audio latency %d %d\n",
-		    connector->dvi_dual,
+		    info->dvi_dual,
-		    connector->max_tmds_clock,
+		    info->max_tmds_clock,
 	      (int) connector->latency_present[0],
 	      (int) connector->latency_present[1],
 		    connector->video_latency[0],
@@ -3349,6 +3350,7 @@ EXPORT_SYMBOL(drm_edid_get_monitor_name);
  */
 void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
 {
+	struct drm_display_info *info = &connector->display_info;
 	uint8_t *eld = connector->eld;
 	u8 *cea;
 	u8 *db;
@@ -3365,8 +3367,8 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
 	connector->video_latency[1] = 0;
 	connector->audio_latency[1] = 0;
 
-	connector->max_tmds_clock = 0;
+	info->max_tmds_clock = 0;
-	connector->dvi_dual = false;
+	info->dvi_dual = false;
 
 	cea = drm_find_cea_extension(edid);
 	if (!cea) {

drivers/gpu/drm/radeon/radeon_connectors.c

@@ -198,12 +198,12 @@ int radeon_get_monitor_bpc(struct drm_connector *connector)
 		}
 
 		/* Any defined maximum tmds clock limit we must not exceed? */
-		if (connector->max_tmds_clock > 0) {
+		if (connector->display_info.max_tmds_clock > 0) {
 			/* mode_clock is clock in kHz for mode to be modeset on this connector */
 			mode_clock = radeon_connector->pixelclock_for_modeset;
 
 			/* Maximum allowable input clock in kHz */
-			max_tmds_clock = connector->max_tmds_clock;
+			max_tmds_clock = connector->display_info.max_tmds_clock;
 
 			DRM_DEBUG("%s: hdmi mode dotclock %d kHz, max tmds input clock %d kHz.\n",
 					  connector->name, mode_clock, max_tmds_clock);

include/drm/drm_connector.h

@@ -166,6 +166,17 @@ struct drm_display_info {
 	 */
 	u32 bus_flags;
 
+	/**
+	 * @max_tmds_clock: Maximum TMDS clock rate supported by the
+	 * sink in kHz. 0 means undefined.
+	 */
+	int max_tmds_clock;
+
+	/**
+	 * @dvi_dual: Dual-link DVI sink?
+	 */
+	bool dvi_dual;
+
 	/**
 	 * @edid_hdmi_dc_modes: Mask of supported hdmi deep color modes. Even
 	 * more stuff redundant with @bus_formats.
@@ -515,8 +526,6 @@ struct drm_cmdline_mode {
  * @encoder_ids: valid encoders for this connector
  * @encoder: encoder driving this connector, if any
  * @eld: EDID-like data, if present
- * @dvi_dual: dual link DVI, if found
- * @max_tmds_clock: max clock rate, if found
  * @latency_present: AV delay info from ELD, if found
  * @video_latency: video latency info from ELD, if found
  * @audio_latency: audio latency info from ELD, if found
@@ -650,8 +659,6 @@ struct drm_connector {
 #define MAX_ELD_BYTES	128
 	/* EDID bits */
 	uint8_t eld[MAX_ELD_BYTES];
-	bool dvi_dual;
-	int max_tmds_clock;	/* in kHz */
 	bool latency_present[2];
 	int video_latency[2];	/* [0]: progressive, [1]: interlaced */
 	int audio_latency[2];