drm/i915/tv: Fix TV mode

Commit 1fd4a5a3 ("drm/connector: Rename legacy TV property") failed
to update all the users of the struct drm_tv_connector_state mode field,
which resulted in a build failure in i915.

However, a subsequent commit in the same series reintroduced a mode
field in that structure, with a different semantic but the same type,
with the assumption that all previous users were updated.

Since that didn't happen, the i915 driver now compiles, but mixes
accesses to the legacy_mode field and the newer mode field, but with the
previous semantics.

This obviously doesn't work very well, so we need to update the accesses
that weren't in the legacy renaming commit.

Fixes: 1fd4a5a3 ("drm/connector: Rename legacy TV property")
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240220131251.453060-1-mripard@kernel.org

drivers/gpu/drm/i915/display/intel_sdvo.c

@@ -1220,7 +1220,7 @@ static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo,
 	struct intel_sdvo_tv_format format;
 	u32 format_map;
 
-	format_map = 1 << conn_state->tv.mode;
+	format_map = 1 << conn_state->tv.legacy_mode;
 	memset(&format, 0, sizeof(format));
 	memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
 
@@ -2323,7 +2323,7 @@ static int intel_sdvo_get_tv_modes(struct drm_connector *connector)
 	 * Read the list of supported input resolutions for the selected TV
 	 * format.
 	 */
-	format_map = 1 << conn_state->tv.mode;
+	format_map = 1 << conn_state->tv.legacy_mode;
 	memcpy(&tv_res, &format_map,
 	       min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
 
@@ -2388,7 +2388,7 @@ intel_sdvo_connector_atomic_get_property(struct drm_connector *connector,
 		int i;
 
 		for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
-			if (state->tv.mode == intel_sdvo_connector->tv_format_supported[i]) {
+			if (state->tv.legacy_mode == intel_sdvo_connector->tv_format_supported[i]) {
 				*val = i;
 
 				return 0;
@@ -2444,7 +2444,7 @@ intel_sdvo_connector_atomic_set_property(struct drm_connector *connector,
 	struct intel_sdvo_connector_state *sdvo_state = to_intel_sdvo_connector_state(state);
 
 	if (property == intel_sdvo_connector->tv_format) {
-		state->tv.mode = intel_sdvo_connector->tv_format_supported[val];
+		state->tv.legacy_mode = intel_sdvo_connector->tv_format_supported[val];
 
 		if (state->crtc) {
 			struct drm_crtc_state *crtc_state =
@@ -3108,7 +3108,7 @@ static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
 		drm_property_add_enum(intel_sdvo_connector->tv_format, i,
 				      tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
 
-	intel_sdvo_connector->base.base.state->tv.mode = intel_sdvo_connector->tv_format_supported[0];
+	intel_sdvo_connector->base.base.state->tv.legacy_mode = intel_sdvo_connector->tv_format_supported[0];
 	drm_object_attach_property(&intel_sdvo_connector->base.base.base,
 				   intel_sdvo_connector->tv_format, 0);
 	return true;

drivers/gpu/drm/i915/display/intel_tv.c

@@ -950,7 +950,7 @@ intel_disable_tv(struct intel_atomic_state *state,
 
 static const struct tv_mode *intel_tv_mode_find(const struct drm_connector_state *conn_state)
 {
-	int format = conn_state->tv.mode;
+	int format = conn_state->tv.legacy_mode;
 
 	return &tv_modes[format];
 }
@@ -1705,7 +1705,7 @@ static void intel_tv_find_better_format(struct drm_connector *connector)
 			break;
 	}
 
-	connector->state->tv.mode = i;
+	connector->state->tv.legacy_mode = i;
 }
 
 static int
@@ -1863,7 +1863,7 @@ static int intel_tv_atomic_check(struct drm_connector *connector,
 	old_state = drm_atomic_get_old_connector_state(state, connector);
 	new_crtc_state = drm_atomic_get_new_crtc_state(state, new_state->crtc);
 
-	if (old_state->tv.mode != new_state->tv.mode ||
+	if (old_state->tv.legacy_mode != new_state->tv.legacy_mode ||
 	    old_state->tv.margins.left != new_state->tv.margins.left ||
 	    old_state->tv.margins.right != new_state->tv.margins.right ||
 	    old_state->tv.margins.top != new_state->tv.margins.top ||
@@ -1900,7 +1900,7 @@ static void intel_tv_add_properties(struct drm_connector *connector)
 	conn_state->tv.margins.right = 46;
 	conn_state->tv.margins.bottom = 37;
 
-	conn_state->tv.mode = 0;
+	conn_state->tv.legacy_mode = 0;
 
 	/* Create TV properties then attach current values */
 	for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
@@ -1914,7 +1914,7 @@ static void intel_tv_add_properties(struct drm_connector *connector)
 
 	drm_object_attach_property(&connector->base,
 				   i915->drm.mode_config.legacy_tv_mode_property,
-				   conn_state->tv.mode);
+				   conn_state->tv.legacy_mode);
 	drm_object_attach_property(&connector->base,
 				   i915->drm.mode_config.tv_left_margin_property,
 				   conn_state->tv.margins.left);