drm/radeon/kms: do dp link training at dpms on time not mode set. (58682f10) · Commits · 戴 / test

drivers/gpu/drm/radeon/radeon_encoders.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -996,12 +996,16 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
		if (is_dig) {
		switch (mode) {
		case DRM_MODE_DPMS_ON:
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT);
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
		{
		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
		dp_link_train(encoder, connector);
		}
		break;
		case DRM_MODE_DPMS_STANDBY:
		case DRM_MODE_DPMS_SUSPEND:
		case DRM_MODE_DPMS_OFF:
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT);
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
		break;
		}
		} else {
		@@ -1201,7 +1205,6 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
		struct radeon_device *rdev = dev->dev_private;
		struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
		struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);

		if (radeon_encoder->active_device &
		(ATOM_DEVICE_DFP_SUPPORT \| ATOM_DEVICE_LCD_SUPPORT)) {
		@@ -1244,7 +1247,6 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
		dp_link_train(encoder, connector);
		break;
		case ENCODER_OBJECT_ID_INTERNAL_DDI:
		atombios_ddia_setup(encoder, ATOM_ENABLE);

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