[PATCH] drm/i915: Prefer encoder->name over port_name()

* [PATCH] drm/i915: Prefer encoder->name over port_name()
@ 2019-08-30 18:27 Ville Syrjala
  2019-08-30 20:27 ` Chris Wilson
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Ville Syrjala @ 2019-08-30 18:27 UTC (permalink / raw)
  To: intel-gfx

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

enum port is a mess now because it no longer matches the spec
at all. Let's start to dig ourselves out of this hole by
reducing our reliance on port_name(). This should at least make
a bunch of debug messages a bit more sensible while we think how
to fill the the hole properly.

Based on the following cocci script with a lot of manual cleanup
(all the format strings etc.):
@@
expression E;
@@
(
- port_name(E->port)
+ E->base.base.id, E->base.name
|
- port_name(E.port)
+ E.base.base.id, E.base.name
)

@@
enum port P;
expression E;
@@
  P = E->port
<...
- port_name(P)
+ E->base.base.id, E->base.name
...>

@@
enum port P;
expression E;
@@
  P = E.port
<...
- port_name(P)
+ E.base.base.id, E.base.name
...>

@@
expression E;
@@
{
- enum port P = E;
... when != P
}

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_audio.c    |  10 +-
 drivers/gpu/drm/i915/display/intel_ddi.c      |  19 +--
 drivers/gpu/drm/i915/display/intel_display.c  |   4 +-
 drivers/gpu/drm/i915/display/intel_dp.c       | 122 ++++++++++--------
 drivers/gpu/drm/i915/display/intel_dpll_mgr.c |   4 +-
 drivers/gpu/drm/i915/display/intel_hdmi.c     |   9 +-
 drivers/gpu/drm/i915/display/intel_hotplug.c  |   3 +-
 drivers/gpu/drm/i915/i915_debugfs.c           |   5 +-
 8 files changed, 102 insertions(+), 74 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index ddcccf4408c3..aac089c79ceb 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -560,8 +560,9 @@ static void ilk_audio_codec_disable(struct intel_encoder *encoder,
 	u32 tmp, eldv;
 	i915_reg_t aud_config, aud_cntrl_st2;
 
-	DRM_DEBUG_KMS("Disable audio codec on port %c, pipe %c\n",
-		      port_name(port), pipe_name(pipe));
+	DRM_DEBUG_KMS("Disable audio codec on [ENCODER:%d:%s], pipe %c\n",
+		      encoder->base.base.id, encoder->base.name,
+		      pipe_name(pipe));
 
 	if (WARN_ON(port == PORT_A))
 		return;
@@ -609,8 +610,9 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
 	int len, i;
 	i915_reg_t hdmiw_hdmiedid, aud_config, aud_cntl_st, aud_cntrl_st2;
 
-	DRM_DEBUG_KMS("Enable audio codec on port %c, pipe %c, %u bytes ELD\n",
-		      port_name(port), pipe_name(pipe), drm_eld_size(eld));
+	DRM_DEBUG_KMS("Enable audio codec on [ENCODER:%d:%s], pipe %c, %u bytes ELD\n",
+		      encoder->base.base.id, encoder->base.name,
+		      pipe_name(pipe), drm_eld_size(eld));
 
 	if (WARN_ON(port == PORT_A))
 		return;
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 3180dacb5be4..1fe0bf01e580 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2080,18 +2080,20 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder,
 	}
 
 	if (!*pipe_mask)
-		DRM_DEBUG_KMS("No pipe for ddi port %c found\n",
-			      port_name(port));
+		DRM_DEBUG_KMS("No pipe for [ENCODER:%d:%s] found\n",
+			      encoder->base.base.id, encoder->base.name);
 
 	if (!mst_pipe_mask && hweight8(*pipe_mask) > 1) {
-		DRM_DEBUG_KMS("Multiple pipes for non DP-MST port %c (pipe_mask %02x)\n",
-			      port_name(port), *pipe_mask);
+		DRM_DEBUG_KMS("Multiple pipes for [ENCODER:%d:%s] (pipe_mask %02x)\n",
+			      encoder->base.base.id, encoder->base.name,
+			      *pipe_mask);
 		*pipe_mask = BIT(ffs(*pipe_mask) - 1);
 	}
 
 	if (mst_pipe_mask && mst_pipe_mask != *pipe_mask)
-		DRM_DEBUG_KMS("Conflicting MST and non-MST encoders for port %c (pipe_mask %02x mst_pipe_mask %02x)\n",
-			      port_name(port), *pipe_mask, mst_pipe_mask);
+		DRM_DEBUG_KMS("Conflicting MST and non-MST state for [ENCODER:%d:%s] (pipe_mask %02x mst_pipe_mask %02x)\n",
+			      encoder->base.base.id, encoder->base.name,
+			      *pipe_mask, mst_pipe_mask);
 	else
 		*is_dp_mst = mst_pipe_mask;
 
@@ -2101,8 +2103,9 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder,
 		if ((tmp & (BXT_PHY_CMNLANE_POWERDOWN_ACK |
 			    BXT_PHY_LANE_POWERDOWN_ACK |
 			    BXT_PHY_LANE_ENABLED)) != BXT_PHY_LANE_ENABLED)
-			DRM_ERROR("Port %c enabled but PHY powered down? "
-				  "(PHY_CTL %08x)\n", port_name(port), tmp);
+			DRM_ERROR("[ENCODER:%d:%s] enabled but PHY powered down? "
+				  "(PHY_CTL %08x)\n", encoder->base.base.id,
+				  encoder->base.name, tmp);
 	}
 
 	intel_display_power_put(dev_priv, encoder->power_domain, wakeref);
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index b38d842ff6ec..6fa7adf7fdc0 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -1612,8 +1612,8 @@ void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
 
 	if (intel_de_wait_for_register(dev_priv, dpll_reg,
 				       port_mask, expected_mask, 1000))
-		WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n",
-		     port_name(dport->base.port),
+		WARN(1, "timed out waiting for [ENCODER:%d:%s] port ready: got 0x%x, expected 0x%x\n",
+		     dport->base.base.base.id, dport->base.base.name,
 		     I915_READ(dpll_reg) & port_mask, expected_mask);
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 202ff3c83524..5673ed75e428 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -639,12 +639,14 @@ vlv_power_sequencer_kick(struct intel_dp *intel_dp)
 	u32 DP;
 
 	if (WARN(I915_READ(intel_dp->output_reg) & DP_PORT_EN,
-		 "skipping pipe %c power sequencer kick due to port %c being active\n",
-		 pipe_name(pipe), port_name(intel_dig_port->base.port)))
+		 "skipping pipe %c power sequencer kick due to [ENCODER:%d:%s] being active\n",
+		 pipe_name(pipe), intel_dig_port->base.base.base.id,
+		 intel_dig_port->base.base.name))
 		return;
 
-	DRM_DEBUG_KMS("kicking pipe %c power sequencer for port %c\n",
-		      pipe_name(pipe), port_name(intel_dig_port->base.port));
+	DRM_DEBUG_KMS("kicking pipe %c power sequencer for [ENCODER:%d:%s]\n",
+		      pipe_name(pipe), intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name);
 
 	/* Preserve the BIOS-computed detected bit. This is
 	 * supposed to be read-only.
@@ -762,9 +764,10 @@ vlv_power_sequencer_pipe(struct intel_dp *intel_dp)
 	vlv_steal_power_sequencer(dev_priv, pipe);
 	intel_dp->pps_pipe = pipe;
 
-	DRM_DEBUG_KMS("picked pipe %c power sequencer for port %c\n",
+	DRM_DEBUG_KMS("picked pipe %c power sequencer for [ENCODER:%d:%s]\n",
 		      pipe_name(intel_dp->pps_pipe),
-		      port_name(intel_dig_port->base.port));
+		      intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name);
 
 	/* init power sequencer on this pipe and port */
 	intel_dp_init_panel_power_sequencer(intel_dp);
@@ -872,13 +875,16 @@ vlv_initial_power_sequencer_setup(struct intel_dp *intel_dp)
 
 	/* didn't find one? just let vlv_power_sequencer_pipe() pick one when needed */
 	if (intel_dp->pps_pipe == INVALID_PIPE) {
-		DRM_DEBUG_KMS("no initial power sequencer for port %c\n",
-			      port_name(port));
+		DRM_DEBUG_KMS("no initial power sequencer for [ENCODER:%d:%s]\n",
+			      intel_dig_port->base.base.base.id,
+			      intel_dig_port->base.base.name);
 		return;
 	}
 
-	DRM_DEBUG_KMS("initial power sequencer for port %c: pipe %c\n",
-		      port_name(port), pipe_name(intel_dp->pps_pipe));
+	DRM_DEBUG_KMS("initial power sequencer for [ENCODER:%d:%s]: pipe %c\n",
+		      intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name,
+		      pipe_name(intel_dp->pps_pipe));
 
 	intel_dp_init_panel_power_sequencer(intel_dp);
 	intel_dp_init_panel_power_sequencer_registers(intel_dp, false);
@@ -2492,8 +2498,9 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
 	intel_display_power_get(dev_priv,
 				intel_aux_power_domain(intel_dig_port));
 
-	DRM_DEBUG_KMS("Turning eDP port %c VDD on\n",
-		      port_name(intel_dig_port->base.port));
+	DRM_DEBUG_KMS("Turning [ENCODER:%d:%s] VDD on\n",
+		      intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name);
 
 	if (!edp_have_panel_power(intel_dp))
 		wait_panel_power_cycle(intel_dp);
@@ -2512,8 +2519,9 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
 	 * If the panel wasn't on, delay before accessing aux channel
 	 */
 	if (!edp_have_panel_power(intel_dp)) {
-		DRM_DEBUG_KMS("eDP port %c panel power wasn't enabled\n",
-			      port_name(intel_dig_port->base.port));
+		DRM_DEBUG_KMS("[ENCODER:%d:%s] panel power wasn't enabled\n",
+			      intel_dig_port->base.base.base.id,
+			      intel_dig_port->base.base.name);
 		msleep(intel_dp->panel_power_up_delay);
 	}
 
@@ -2538,8 +2546,9 @@ void intel_edp_panel_vdd_on(struct intel_dp *intel_dp)
 	vdd = false;
 	with_pps_lock(intel_dp, wakeref)
 		vdd = edp_panel_vdd_on(intel_dp);
-	I915_STATE_WARN(!vdd, "eDP port %c VDD already requested on\n",
-	     port_name(dp_to_dig_port(intel_dp)->base.port));
+	I915_STATE_WARN(!vdd, "[ENCODER:%d:%s] VDD already requested on\n",
+			dp_to_dig_port(intel_dp)->base.base.base.id,
+			dp_to_dig_port(intel_dp)->base.base.name);
 }
 
 static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp)
@@ -2557,8 +2566,9 @@ static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp)
 	if (!edp_have_panel_vdd(intel_dp))
 		return;
 
-	DRM_DEBUG_KMS("Turning eDP port %c VDD off\n",
-		      port_name(intel_dig_port->base.port));
+	DRM_DEBUG_KMS("Turning [ENCODER:%d:%s] VDD off\n",
+		      intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name);
 
 	pp = ironlake_get_pp_control(intel_dp);
 	pp &= ~EDP_FORCE_VDD;
@@ -2620,8 +2630,9 @@ static void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
 	if (!intel_dp_is_edp(intel_dp))
 		return;
 
-	I915_STATE_WARN(!intel_dp->want_panel_vdd, "eDP port %c VDD not forced on",
-	     port_name(dp_to_dig_port(intel_dp)->base.port));
+	I915_STATE_WARN(!intel_dp->want_panel_vdd, "[ENCODER:%d:%s] VDD not forced on",
+			dp_to_dig_port(intel_dp)->base.base.base.id,
+			dp_to_dig_port(intel_dp)->base.base.name);
 
 	intel_dp->want_panel_vdd = false;
 
@@ -2642,12 +2653,14 @@ static void edp_panel_on(struct intel_dp *intel_dp)
 	if (!intel_dp_is_edp(intel_dp))
 		return;
 
-	DRM_DEBUG_KMS("Turn eDP port %c panel power on\n",
-		      port_name(dp_to_dig_port(intel_dp)->base.port));
+	DRM_DEBUG_KMS("Turn [ENCODER:%d:%s] panel power on\n",
+		      dp_to_dig_port(intel_dp)->base.base.base.id,
+		      dp_to_dig_port(intel_dp)->base.base.name);
 
 	if (WARN(edp_have_panel_power(intel_dp),
-		 "eDP port %c panel power already on\n",
-		 port_name(dp_to_dig_port(intel_dp)->base.port)))
+		 "[ENCODER:%d:%s] panel power already on\n",
+		 dp_to_dig_port(intel_dp)->base.base.base.id,
+		 dp_to_dig_port(intel_dp)->base.base.name))
 		return;
 
 	wait_panel_power_cycle(intel_dp);
@@ -2702,11 +2715,11 @@ static void edp_panel_off(struct intel_dp *intel_dp)
 	if (!intel_dp_is_edp(intel_dp))
 		return;
 
-	DRM_DEBUG_KMS("Turn eDP port %c panel power off\n",
-		      port_name(dig_port->base.port));
+	DRM_DEBUG_KMS("Turn [ENCODER:%d:%s] panel power off\n",
+		      dig_port->base.base.base.id, dig_port->base.base.name);
 
-	WARN(!intel_dp->want_panel_vdd, "Need eDP port %c VDD to turn off panel\n",
-	     port_name(dig_port->base.port));
+	WARN(!intel_dp->want_panel_vdd, "Need [ENCODER:%d:%s] VDD to turn off panel\n",
+	     dig_port->base.base.base.id, dig_port->base.base.name);
 
 	pp = ironlake_get_pp_control(intel_dp);
 	/* We need to switch off panel power _and_ force vdd, for otherwise some
@@ -2851,8 +2864,8 @@ static void assert_dp_port(struct intel_dp *intel_dp, bool state)
 	bool cur_state = I915_READ(intel_dp->output_reg) & DP_PORT_EN;
 
 	I915_STATE_WARN(cur_state != state,
-			"DP port %c state assertion failure (expected %s, current %s)\n",
-			port_name(dig_port->base.port),
+			"[ENCODER:%d:%s] state assertion failure (expected %s, current %s)\n",
+			dig_port->base.base.base.id, dig_port->base.base.name,
 			onoff(state), onoff(cur_state));
 }
 #define assert_dp_port_disabled(d) assert_dp_port((d), false)
@@ -3430,8 +3443,9 @@ static void vlv_detach_power_sequencer(struct intel_dp *intel_dp)
 	 * port select always when logically disconnecting a power sequencer
 	 * from a port.
 	 */
-	DRM_DEBUG_KMS("detaching pipe %c power sequencer from port %c\n",
-		      pipe_name(pipe), port_name(intel_dig_port->base.port));
+	DRM_DEBUG_KMS("detaching pipe %c power sequencer from [ENCODER:%d:%s]\n",
+		      pipe_name(pipe), intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name);
 	I915_WRITE(pp_on_reg, 0);
 	POSTING_READ(pp_on_reg);
 
@@ -3447,17 +3461,18 @@ static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv,
 
 	for_each_intel_dp(&dev_priv->drm, encoder) {
 		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
-		enum port port = encoder->port;
 
 		WARN(intel_dp->active_pipe == pipe,
-		     "stealing pipe %c power sequencer from active (e)DP port %c\n",
-		     pipe_name(pipe), port_name(port));
+		     "stealing pipe %c power sequencer from active [ENCODER:%d:%s]\n",
+		     pipe_name(pipe), encoder->base.base.id,
+		     encoder->base.name);
 
 		if (intel_dp->pps_pipe != pipe)
 			continue;
 
-		DRM_DEBUG_KMS("stealing pipe %c power sequencer from port %c\n",
-			      pipe_name(pipe), port_name(port));
+		DRM_DEBUG_KMS("stealing pipe %c power sequencer from [ENCODER:%d:%s]\n",
+			      pipe_name(pipe), encoder->base.base.id,
+			      encoder->base.name);
 
 		/* make sure vdd is off before we steal it */
 		vlv_detach_power_sequencer(intel_dp);
@@ -3499,8 +3514,9 @@ static void vlv_init_panel_power_sequencer(struct intel_encoder *encoder,
 	/* now it's all ours */
 	intel_dp->pps_pipe = crtc->pipe;
 
-	DRM_DEBUG_KMS("initializing pipe %c power sequencer for port %c\n",
-		      pipe_name(intel_dp->pps_pipe), port_name(encoder->port));
+	DRM_DEBUG_KMS("initializing pipe %c power sequencer for [ENCODER:%d:%s]\n",
+		      pipe_name(intel_dp->pps_pipe), encoder->base.base.id,
+		      encoder->base.name);
 
 	/* init power sequencer on this pipe and port */
 	intel_dp_init_panel_power_sequencer(intel_dp);
@@ -4321,9 +4337,10 @@ intel_dp_configure_mst(struct intel_dp *intel_dp)
 		&dp_to_dig_port(intel_dp)->base;
 	bool sink_can_mst = intel_dp_sink_can_mst(intel_dp);
 
-	DRM_DEBUG_KMS("MST support? port %c: %s, sink: %s, modparam: %s\n",
-		      port_name(encoder->port), yesno(intel_dp->can_mst),
-		      yesno(sink_can_mst), yesno(i915_modparams.enable_dp_mst));
+	DRM_DEBUG_KMS("[ENCODER:%d:%s] MST support? port: %s, sink: %s, modparam: %s\n",
+		      encoder->base.base.id, encoder->base.name,
+		      yesno(intel_dp->can_mst), yesno(sink_can_mst),
+		      yesno(i915_modparams.enable_dp_mst));
 
 	if (!intel_dp->can_mst)
 		return;
@@ -6282,13 +6299,15 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
 		 * would end up in an endless cycle of
 		 * "vdd off -> long hpd -> vdd on -> detect -> vdd off -> ..."
 		 */
-		DRM_DEBUG_KMS("ignoring long hpd on eDP port %c\n",
-			      port_name(intel_dig_port->base.port));
+		DRM_DEBUG_KMS("ignoring long hpd on eDP [ENCODER:%d:%s]\n",
+			      intel_dig_port->base.base.base.id,
+			      intel_dig_port->base.base.name);
 		return IRQ_HANDLED;
 	}
 
-	DRM_DEBUG_KMS("got hpd irq on port %c - %s\n",
-		      port_name(intel_dig_port->base.port),
+	DRM_DEBUG_KMS("got hpd irq on [ENCODER:%d:%s] - %s\n",
+		      intel_dig_port->base.base.base.id,
+		      intel_dig_port->base.base.name,
 		      long_hpd ? "long" : "short");
 
 	if (long_hpd) {
@@ -7152,8 +7171,9 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 		  intel_dp_modeset_retry_work_fn);
 
 	if (WARN(intel_dig_port->max_lanes < 1,
-		 "Not enough lanes (%d) for DP on port %c\n",
-		 intel_dig_port->max_lanes, port_name(port)))
+		 "Not enough lanes (%d) for DP on [ENCODER:%d:%s]\n",
+		 intel_dig_port->max_lanes, intel_encoder->base.base.id,
+		 intel_encoder->base.name))
 		return false;
 
 	intel_dp_set_source_rates(intel_dp);
@@ -7194,9 +7214,9 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 		    port != PORT_B && port != PORT_C))
 		return false;
 
-	DRM_DEBUG_KMS("Adding %s connector on port %c\n",
-			type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP",
-			port_name(port));
+	DRM_DEBUG_KMS("Adding %s connector on [ENCODER:%d:%s]\n",
+		      type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP",
+		      intel_encoder->base.base.id, intel_encoder->base.name);
 
 	drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index b8148f838354..98288edf88f0 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -2910,8 +2910,8 @@ static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state,
 						has_dpll4 ? DPLL_ID_EHL_DPLL4
 							  : DPLL_ID_ICL_DPLL1);
 	if (!port_dpll->pll) {
-		DRM_DEBUG_KMS("No combo PHY PLL found for port %c\n",
-			      port_name(encoder->port));
+		DRM_DEBUG_KMS("No combo PHY PLL found for [ENCODER:%d:%s]\n",
+			      encoder->base.base.id, encoder->base.name);
 		return false;
 	}
 
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 9710b85d1aef..3f77f9051b09 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -3077,12 +3077,13 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 	enum port port = intel_encoder->port;
 	struct cec_connector_info conn_info;
 
-	DRM_DEBUG_KMS("Adding HDMI connector on port %c\n",
-		      port_name(port));
+	DRM_DEBUG_KMS("Adding HDMI connector on [ENCODER:%d:%s]\n",
+		      intel_encoder->base.base.id, intel_encoder->base.name);
 
 	if (WARN(intel_dig_port->max_lanes < 4,
-		 "Not enough lanes (%d) for HDMI on port %c\n",
-		 intel_dig_port->max_lanes, port_name(port)))
+		 "Not enough lanes (%d) for HDMI on [ENCODER:%d:%s]\n",
+		 intel_dig_port->max_lanes, intel_encoder->base.base.id,
+		 intel_encoder->base.name))
 		return;
 
 	drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index 56be20f6f47e..fc29046d48ea 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -481,7 +481,8 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
 
 		long_hpd = long_mask & BIT(pin);
 
-		DRM_DEBUG_DRIVER("digital hpd port %c - %s\n", port_name(port),
+		DRM_DEBUG_DRIVER("digital hpd on [ENCODER:%d:%s] - %s\n",
+				 encoder->base.base.id, encoder->base.name,
 				 long_hpd ? "long" : "short");
 		queue_dig = true;
 
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5e81c4fc13ae..974936917329 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3114,8 +3114,9 @@ static int i915_dp_mst_info(struct seq_file *m, void *unused)
 		if (!intel_dig_port->dp.can_mst)
 			continue;
 
-		seq_printf(m, "MST Source Port %c\n",
-			   port_name(intel_dig_port->base.port));
+		seq_printf(m, "MST Source Port [ENCODER:%d:%s]\n",
+			   intel_dig_port->base.base.base.id,
+			   intel_dig_port->base.base.name);
 		drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
 	}
 	drm_connector_list_iter_end(&conn_iter);
-- 
2.21.0

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