--- zzzz-none-000/linux-2.6.39.4/drivers/gpu/drm/radeon/radeon_encoders.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/drivers/gpu/drm/radeon/radeon_encoders.c	2021-11-10 13:23:10.000000000 +0000
@@ -1294,11 +1294,7 @@
 	if (is_dig) {
 		switch (mode) {
 		case DRM_MODE_DPMS_ON:
-			/* some early dce3.2 boards have a bug in their transmitter control table */
-			if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
-				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
-			else
-				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
 			if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {
 				struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);