[Intel-gfx] [PATCH v5 05/10] drm/i915: Stop frobbing with DDI encoder->type

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Fri Oct 27 12:05:38 UTC 2017


Op 19-10-17 om 15:37 schreef Ville Syrjala:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Currently the DDI encoder->type will change at runtime depending on
> what kind of hotplugs we've processed. That's quite bad since we can't
> really trust that that current value of encoder->type actually matches
> the type of signal we're trying to drive through it.
>
> Let's eliminate that problem by declaring that non-eDP DDI port will
> always have the encoder type as INTEL_OUTPUT_DDI. This means the code
> can no longer try to distinguish DP vs. HDMI based on encoder->type.
> We'll leave eDP as INTEL_OUTPUT_EDP, since it'll never change and
> there's a bunch of code that relies on that value to identify eDP
> encoders.
>
> We'll introduce a new encoder .compute_output_type() hook. This allows
> us to compute the full output_types before any encoder .compute_config()
> hooks get called, thus those hooks can rely on output_types being
> correct, which is useful for cloning on oldr platforms. For now we'll
> just look at the connector type and pick the correct mode based on that.
> In the future the new hook could be used to implement dynamic switching
> between LS and PCON modes for LSPCON.
>
> TODO: maybe make .get_config() populate output_types rather than doing
> the default encoder->type thing in caller and then undoing it for
> DDI in .get_config().
>
> v2: Fix BXT/GLK PPS explosion with DSI/MST encoders
> v3: Avoid the PPS warn on pure HDMI/DVI DDI encoders by checking dp.output_reg
> v4: Rebase
> v5: Populate output_types in .get_config() rather than in the caller

Could we get rid of compute_output_type in this patch? Perhaps do it as preliminary
patch towards removing the use?

Rest of the series except patch 8 looks good. For patch 1-4, 6, 7, 9 (if the delta
between ddi_get_config and old mst get_config is harmless or beneficial) and 10:

Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

Thanks for the work towards cleaning this mess up.

~Maarten
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c   |  2 +-
>  drivers/gpu/drm/i915/intel_crt.c      |  2 ++
>  drivers/gpu/drm/i915/intel_ddi.c      | 43 ++++++++++++++++++++++++++++-------
>  drivers/gpu/drm/i915/intel_display.c  | 16 +++++++------
>  drivers/gpu/drm/i915/intel_dp.c       | 24 +++++++++----------
>  drivers/gpu/drm/i915/intel_dp_mst.c   |  2 ++
>  drivers/gpu/drm/i915/intel_drv.h      |  7 ++++--
>  drivers/gpu/drm/i915/intel_dsi.c      |  2 ++
>  drivers/gpu/drm/i915/intel_dvo.c      |  2 ++
>  drivers/gpu/drm/i915/intel_hdmi.c     | 12 ++++------
>  drivers/gpu/drm/i915/intel_lvds.c     |  2 ++
>  drivers/gpu/drm/i915/intel_opregion.c |  2 +-
>  drivers/gpu/drm/i915/intel_sdvo.c     |  2 ++
>  drivers/gpu/drm/i915/intel_tv.c       |  2 ++
>  14 files changed, 80 insertions(+), 40 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index c65e381b85f3..e5333bfdf32d 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -3049,7 +3049,7 @@ static void intel_connector_info(struct seq_file *m,
>  		break;
>  	case DRM_MODE_CONNECTOR_HDMIA:
>  		if (intel_encoder->type == INTEL_OUTPUT_HDMI ||
> -		    intel_encoder->type == INTEL_OUTPUT_UNKNOWN)
> +		    intel_encoder->type == INTEL_OUTPUT_DDI)
>  			intel_hdmi_info(m, intel_connector);
>  		break;
>  	default:
> diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
> index 668e8c3e791d..a61e61efe9aa 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -119,6 +119,8 @@ static unsigned int intel_crt_get_flags(struct intel_encoder *encoder)
>  static void intel_crt_get_config(struct intel_encoder *encoder,
>  				 struct intel_crtc_state *pipe_config)
>  {
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG);
> +
>  	pipe_config->base.adjusted_mode.flags |= intel_crt_get_flags(encoder);
>  
>  	pipe_config->base.adjusted_mode.crtc_clock = pipe_config->port_clock;
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index c8790bb74839..630609575db4 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -497,10 +497,8 @@ enum port intel_ddi_get_encoder_port(struct intel_encoder *encoder)
>  	switch (encoder->type) {
>  	case INTEL_OUTPUT_DP_MST:
>  		return enc_to_mst(&encoder->base)->primary->port;
> -	case INTEL_OUTPUT_DP:
>  	case INTEL_OUTPUT_EDP:
> -	case INTEL_OUTPUT_HDMI:
> -	case INTEL_OUTPUT_UNKNOWN:
> +	case INTEL_OUTPUT_DDI:
>  		return enc_to_dig_port(&encoder->base)->port;
>  	case INTEL_OUTPUT_ANALOG:
>  		return PORT_E;
> @@ -1532,6 +1530,7 @@ void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
>  	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
>  	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
>  	uint32_t temp;
> +
>  	temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
>  	if (state == true)
>  		temp |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
> @@ -2586,12 +2585,23 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
>  			pipe_config->hdmi_high_tmds_clock_ratio = true;
>  		/* fall through */
>  	case TRANS_DDI_MODE_SELECT_DVI:
> +		pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI);
>  		pipe_config->lane_count = 4;
>  		break;
>  	case TRANS_DDI_MODE_SELECT_FDI:
> +		pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG);
>  		break;
>  	case TRANS_DDI_MODE_SELECT_DP_SST:
> +		if (encoder->type == INTEL_OUTPUT_EDP)
> +			pipe_config->output_types |= BIT(INTEL_OUTPUT_EDP);
> +		else
> +			pipe_config->output_types |= BIT(INTEL_OUTPUT_DP);
> +		pipe_config->lane_count =
> +			((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1;
> +		intel_dp_get_m_n(intel_crtc, pipe_config);
> +		break;
>  	case TRANS_DDI_MODE_SELECT_DP_MST:
> +		pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST);
>  		pipe_config->lane_count =
>  			((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1;
>  		intel_dp_get_m_n(intel_crtc, pipe_config);
> @@ -2630,21 +2640,36 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
>  			bxt_ddi_phy_get_lane_lat_optim_mask(encoder);
>  }
>  
> +static enum intel_output_type
> +intel_ddi_compute_output_type(struct intel_encoder *encoder,
> +			      struct intel_crtc_state *crtc_state,
> +			      struct drm_connector_state *conn_state)
> +{
> +	switch (conn_state->connector->connector_type) {
> +	case DRM_MODE_CONNECTOR_HDMIA:
> +		return INTEL_OUTPUT_HDMI;
> +	case DRM_MODE_CONNECTOR_eDP:
> +		return INTEL_OUTPUT_EDP;
> +	case DRM_MODE_CONNECTOR_DisplayPort:
> +		return INTEL_OUTPUT_DP;
> +	default:
> +		MISSING_CASE(conn_state->connector->connector_type);
> +		return INTEL_OUTPUT_UNUSED;
> +	}
> +}
> +
>  static bool intel_ddi_compute_config(struct intel_encoder *encoder,
>  				     struct intel_crtc_state *pipe_config,
>  				     struct drm_connector_state *conn_state)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> -	int type = encoder->type;
>  	int port = intel_ddi_get_encoder_port(encoder);
>  	int ret;
>  
> -	WARN(type == INTEL_OUTPUT_UNKNOWN, "compute_config() on unknown output!\n");
> -
>  	if (port == PORT_A)
>  		pipe_config->cpu_transcoder = TRANSCODER_EDP;
>  
> -	if (type == INTEL_OUTPUT_HDMI)
> +	if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI))
>  		ret = intel_hdmi_compute_config(encoder, pipe_config, conn_state);
>  	else
>  		ret = intel_dp_compute_config(encoder, pipe_config, conn_state);
> @@ -2764,6 +2789,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  	drm_encoder_init(&dev_priv->drm, encoder, &intel_ddi_funcs,
>  			 DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port));
>  
> +	intel_encoder->compute_output_type = intel_ddi_compute_output_type;
>  	intel_encoder->compute_config = intel_ddi_compute_config;
>  	intel_encoder->enable = intel_enable_ddi;
>  	if (IS_GEN9_LP(dev_priv))
> @@ -2821,9 +2847,10 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  		}
>  	}
>  
> +	intel_dig_port->dp.output_reg = INVALID_MMIO_REG;
>  	intel_dig_port->max_lanes = max_lanes;
>  
> -	intel_encoder->type = INTEL_OUTPUT_UNKNOWN;
> +	intel_encoder->type = INTEL_OUTPUT_DDI;
>  	intel_encoder->power_domain = intel_port_to_power_domain(port);
>  	intel_encoder->port = port;
>  	intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index bd62c0a65bcd..a7e02ae33583 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10591,7 +10591,7 @@ static const char * const output_type_str[] = {
>  	OUTPUT_TYPE(DP),
>  	OUTPUT_TYPE(EDP),
>  	OUTPUT_TYPE(DSI),
> -	OUTPUT_TYPE(UNKNOWN),
> +	OUTPUT_TYPE(DDI),
>  	OUTPUT_TYPE(DP_MST),
>  };
>  
> @@ -10762,7 +10762,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state)
>  
>  		switch (encoder->type) {
>  			unsigned int port_mask;
> -		case INTEL_OUTPUT_UNKNOWN:
> +		case INTEL_OUTPUT_DDI:
>  			if (WARN_ON(!HAS_DDI(to_i915(dev))))
>  				break;
>  		case INTEL_OUTPUT_DP:
> @@ -10895,7 +10895,12 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
>  		 * Determine output_types before calling the .compute_config()
>  		 * hooks so that the hooks can use this information safely.
>  		 */
> -		pipe_config->output_types |= 1 << encoder->type;
> +		if (encoder->compute_output_type)
> +			pipe_config->output_types |=
> +				BIT(encoder->compute_output_type(encoder, pipe_config,
> +								 connector_state));
> +		else
> +			pipe_config->output_types |= BIT(encoder->type);
>  	}
>  
>  encoder_retry:
> @@ -11572,10 +11577,8 @@ verify_crtc_state(struct drm_crtc *crtc,
>  				"Encoder connected to wrong pipe %c\n",
>  				pipe_name(pipe));
>  
> -		if (active) {
> -			pipe_config->output_types |= 1 << encoder->type;
> +		if (active)
>  			encoder->get_config(encoder, pipe_config);
> -		}
>  	}
>  
>  	intel_crtc_compute_pixel_rate(pipe_config);
> @@ -14963,7 +14966,6 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>  			crtc_state = to_intel_crtc_state(crtc->base.state);
>  
>  			encoder->base.crtc = &crtc->base;
> -			crtc_state->output_types |= 1 << encoder->type;
>  			encoder->get_config(encoder, crtc_state);
>  		} else {
>  			encoder->base.crtc = NULL;
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index aa75f55eeb61..2b482d12000e 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -758,11 +758,16 @@ void intel_power_sequencer_reset(struct drm_i915_private *dev_priv)
>  		struct intel_dp *intel_dp;
>  
>  		if (encoder->type != INTEL_OUTPUT_DP &&
> -		    encoder->type != INTEL_OUTPUT_EDP)
> +		    encoder->type != INTEL_OUTPUT_EDP &&
> +		    encoder->type != INTEL_OUTPUT_DDI)
>  			continue;
>  
>  		intel_dp = enc_to_intel_dp(&encoder->base);
>  
> +		/* Skip pure DVI/HDMI DDI encoders */
> +		if (!i915_mmio_reg_valid(intel_dp->output_reg))
> +			continue;
> +
>  		WARN_ON(intel_dp->active_pipe != INVALID_PIPE);
>  
>  		if (encoder->type != INTEL_OUTPUT_EDP)
> @@ -2603,6 +2608,11 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
>  	enum port port = dp_to_dig_port(intel_dp)->port;
>  	struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
>  
> +	if (encoder->type == INTEL_OUTPUT_EDP)
> +		pipe_config->output_types |= BIT(INTEL_OUTPUT_EDP);
> +	else
> +		pipe_config->output_types |= BIT(INTEL_OUTPUT_DP);
> +
>  	tmp = I915_READ(intel_dp->output_reg);
>  
>  	pipe_config->has_audio = tmp & DP_AUDIO_OUTPUT_ENABLE && port != PORT_A;
> @@ -4699,8 +4709,6 @@ intel_dp_long_pulse(struct intel_connector *intel_connector)
>  {
>  	struct drm_connector *connector = &intel_connector->base;
>  	struct intel_dp *intel_dp = intel_attached_dp(connector);
> -	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
> -	struct intel_encoder *intel_encoder = &intel_dig_port->base;
>  	struct drm_device *dev = connector->dev;
>  	enum drm_connector_status status;
>  	u8 sink_irq_vector = 0;
> @@ -4733,9 +4741,6 @@ intel_dp_long_pulse(struct intel_connector *intel_connector)
>  		goto out;
>  	}
>  
> -	if (intel_encoder->type != INTEL_OUTPUT_EDP)
> -		intel_encoder->type = INTEL_OUTPUT_DP;
> -
>  	if (intel_dp->reset_link_params) {
>  		/* Initial max link lane count */
>  		intel_dp->max_link_lane_count = intel_dp_max_common_lane_count(intel_dp);
> @@ -4852,9 +4857,6 @@ intel_dp_force(struct drm_connector *connector)
>  	intel_dp_set_edid(intel_dp);
>  
>  	intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
> -
> -	if (intel_encoder->type != INTEL_OUTPUT_EDP)
> -		intel_encoder->type = INTEL_OUTPUT_DP;
>  }
>  
>  static int intel_dp_get_modes(struct drm_connector *connector)
> @@ -5073,10 +5075,6 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
>  	struct drm_i915_private *dev_priv = to_i915(dev);
>  	enum irqreturn ret = IRQ_NONE;
>  
> -	if (intel_dig_port->base.type != INTEL_OUTPUT_EDP &&
> -	    intel_dig_port->base.type != INTEL_OUTPUT_HDMI)
> -		intel_dig_port->base.type = INTEL_OUTPUT_DP;
> -
>  	if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) {
>  		/*
>  		 * vdd off can generate a long pulse on eDP which
> diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
> index 772521440a9f..9be6f32bb100 100644
> --- a/drivers/gpu/drm/i915/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/intel_dp_mst.c
> @@ -270,6 +270,8 @@ static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder,
>  	enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
>  	u32 temp, flags = 0;
>  
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST);
> +
>  	pipe_config->has_audio =
>  		intel_ddi_is_audio_enabled(dev_priv, crtc);
>  
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index a05ab3a1ab27..650129980ce2 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -173,7 +173,7 @@ enum intel_output_type {
>  	INTEL_OUTPUT_DP = 7,
>  	INTEL_OUTPUT_EDP = 8,
>  	INTEL_OUTPUT_DSI = 9,
> -	INTEL_OUTPUT_UNKNOWN = 10,
> +	INTEL_OUTPUT_DDI = 10,
>  	INTEL_OUTPUT_DP_MST = 11,
>  };
>  
> @@ -216,6 +216,9 @@ struct intel_encoder {
>  	enum port port;
>  	unsigned int cloneable;
>  	void (*hot_plug)(struct intel_encoder *);
> +	enum intel_output_type (*compute_output_type)(struct intel_encoder *,
> +						      struct intel_crtc_state *,
> +						      struct drm_connector_state *);
>  	bool (*compute_config)(struct intel_encoder *,
>  			       struct intel_crtc_state *,
>  			       struct drm_connector_state *);
> @@ -1149,7 +1152,7 @@ enc_to_dig_port(struct drm_encoder *encoder)
>  	struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
>  
>  	switch (intel_encoder->type) {
> -	case INTEL_OUTPUT_UNKNOWN:
> +	case INTEL_OUTPUT_DDI:
>  		WARN_ON(!HAS_DDI(to_i915(encoder->dev)));
>  	case INTEL_OUTPUT_DP:
>  	case INTEL_OUTPUT_EDP:
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index 66bbedc5fa01..2ae3eea19317 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -1243,6 +1243,8 @@ static void intel_dsi_get_config(struct intel_encoder *encoder,
>  	u32 pclk;
>  	DRM_DEBUG_KMS("\n");
>  
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);
> +
>  	if (IS_GEN9_LP(dev_priv))
>  		bxt_dsi_get_pipe_config(encoder, pipe_config);
>  
> diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
> index 53c9b763f4ce..754baa00bea9 100644
> --- a/drivers/gpu/drm/i915/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/intel_dvo.c
> @@ -159,6 +159,8 @@ static void intel_dvo_get_config(struct intel_encoder *encoder,
>  	struct intel_dvo *intel_dvo = enc_to_dvo(encoder);
>  	u32 tmp, flags = 0;
>  
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_DVO);
> +
>  	tmp = I915_READ(intel_dvo->dev.dvo_reg);
>  	if (tmp & DVO_HSYNC_ACTIVE_HIGH)
>  		flags |= DRM_MODE_FLAG_PHSYNC;
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index 5132dc814788..1ff448a67b99 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -957,6 +957,8 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
>  	u32 tmp, flags = 0;
>  	int dotclock;
>  
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI);
> +
>  	tmp = I915_READ(intel_hdmi->hdmi_reg);
>  
>  	if (tmp & SDVO_HSYNC_ACTIVE_HIGH)
> @@ -1610,12 +1612,9 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
>  
>  	intel_hdmi_unset_edid(connector);
>  
> -	if (intel_hdmi_set_edid(connector)) {
> -		struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
> -
> -		hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI;
> +	if (intel_hdmi_set_edid(connector))
>  		status = connector_status_connected;
> -	} else
> +	else
>  		status = connector_status_disconnected;
>  
>  	intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS);
> @@ -1626,8 +1625,6 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
>  static void
>  intel_hdmi_force(struct drm_connector *connector)
>  {
> -	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
> -
>  	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
>  		      connector->base.id, connector->name);
>  
> @@ -1637,7 +1634,6 @@ intel_hdmi_force(struct drm_connector *connector)
>  		return;
>  
>  	intel_hdmi_set_edid(connector);
> -	hdmi_to_dig_port(intel_hdmi)->base.type = INTEL_OUTPUT_HDMI;
>  }
>  
>  static int intel_hdmi_get_modes(struct drm_connector *connector)
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
> index 38572d65e46e..ef80499113ee 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -125,6 +125,8 @@ static void intel_lvds_get_config(struct intel_encoder *encoder,
>  	struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
>  	u32 tmp, flags = 0;
>  
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_LVDS);
> +
>  	tmp = I915_READ(lvds_encoder->reg);
>  	if (tmp & LVDS_HSYNC_POLARITY)
>  		flags |= DRM_MODE_FLAG_NHSYNC;
> diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
> index 1d946240e55f..39714be3eb6b 100644
> --- a/drivers/gpu/drm/i915/intel_opregion.c
> +++ b/drivers/gpu/drm/i915/intel_opregion.c
> @@ -383,7 +383,7 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
>  	case INTEL_OUTPUT_ANALOG:
>  		type = DISPLAY_TYPE_CRT;
>  		break;
> -	case INTEL_OUTPUT_UNKNOWN:
> +	case INTEL_OUTPUT_DDI:
>  	case INTEL_OUTPUT_DP:
>  	case INTEL_OUTPUT_HDMI:
>  	case INTEL_OUTPUT_DP_MST:
> diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
> index 7437944b388f..42ec2d1f7a61 100644
> --- a/drivers/gpu/drm/i915/intel_sdvo.c
> +++ b/drivers/gpu/drm/i915/intel_sdvo.c
> @@ -1429,6 +1429,8 @@ static void intel_sdvo_get_config(struct intel_encoder *encoder,
>  	u8 val;
>  	bool ret;
>  
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_SDVO);
> +
>  	sdvox = I915_READ(intel_sdvo->sdvo_reg);
>  
>  	ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd);
> diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
> index a79a7591b2cf..b18609cebe03 100644
> --- a/drivers/gpu/drm/i915/intel_tv.c
> +++ b/drivers/gpu/drm/i915/intel_tv.c
> @@ -868,6 +868,8 @@ static void
>  intel_tv_get_config(struct intel_encoder *encoder,
>  		    struct intel_crtc_state *pipe_config)
>  {
> +	pipe_config->output_types |= BIT(INTEL_OUTPUT_TVOUT);
> +
>  	pipe_config->base.adjusted_mode.crtc_clock = pipe_config->port_clock;
>  }
>  




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