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

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

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

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 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;
 }
 
-- 
2.13.6

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