drm/i915/dp: abstract struct intel_dp pps members to a sub-struct

Add some namespacing to highlight what belongs where. No functional
changes.

Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210120101834.19813-3-jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_display_debugfs.c

@@ -2155,13 +2155,13 @@ static int i915_panel_show(struct seq_file *m, void *data)
 		return -ENODEV;
 
 	seq_printf(m, "Panel power up delay: %d\n",
-		   intel_dp->panel_power_up_delay);
+		   intel_dp->pps.panel_power_up_delay);
 	seq_printf(m, "Panel power down delay: %d\n",
-		   intel_dp->panel_power_down_delay);
+		   intel_dp->pps.panel_power_down_delay);
 	seq_printf(m, "Backlight on delay: %d\n",
-		   intel_dp->backlight_on_delay);
+		   intel_dp->pps.backlight_on_delay);
 	seq_printf(m, "Backlight off delay: %d\n",
-		   intel_dp->backlight_off_delay);
+		   intel_dp->pps.backlight_off_delay);
 
 	return 0;
 }

drivers/gpu/drm/i915/display/intel_display_types.h

@@ -1369,6 +1369,38 @@ struct intel_dp_pcon_frl {
 	int trained_rate_gbps;
 };
 
+struct intel_pps {
+	int panel_power_up_delay;
+	int panel_power_down_delay;
+	int panel_power_cycle_delay;
+	int backlight_on_delay;
+	int backlight_off_delay;
+	struct delayed_work panel_vdd_work;
+	bool want_panel_vdd;
+	unsigned long last_power_on;
+	unsigned long last_backlight_off;
+	ktime_t panel_power_off_time;
+	intel_wakeref_t vdd_wakeref;
+
+	/*
+	 * Pipe whose power sequencer is currently locked into
+	 * this port. Only relevant on VLV/CHV.
+	 */
+	enum pipe pps_pipe;
+	/*
+	 * Pipe currently driving the port. Used for preventing
+	 * the use of the PPS for any pipe currentrly driving
+	 * external DP as that will mess things up on VLV.
+	 */
+	enum pipe active_pipe;
+	/*
+	 * Set if the sequencer may be reset due to a power transition,
+	 * requiring a reinitialization. Only relevant on BXT.
+	 */
+	bool pps_reset;
+	struct edp_power_seq pps_delays;
+};
+
 struct intel_dp {
 	i915_reg_t output_reg;
 	u32 DP;
@@ -1408,35 +1440,8 @@ struct intel_dp {
 	struct drm_dp_aux aux;
 	u32 aux_busy_last_status;
 	u8 train_set[4];
-	int panel_power_up_delay;
-	int panel_power_down_delay;
-	int panel_power_cycle_delay;
-	int backlight_on_delay;
-	int backlight_off_delay;
-	struct delayed_work panel_vdd_work;
-	bool want_panel_vdd;
-	unsigned long last_power_on;
-	unsigned long last_backlight_off;
-	ktime_t panel_power_off_time;
-	intel_wakeref_t vdd_wakeref;
 
-	/*
-	 * Pipe whose power sequencer is currently locked into
-	 * this port. Only relevant on VLV/CHV.
-	 */
-	enum pipe pps_pipe;
-	/*
-	 * Pipe currently driving the port. Used for preventing
-	 * the use of the PPS for any pipe currentrly driving
-	 * external DP as that will mess things up on VLV.
-	 */
-	enum pipe active_pipe;
-	/*
-	 * Set if the sequencer may be reset due to a power transition,
-	 * requiring a reinitialization. Only relevant on BXT.
-	 */
-	bool pps_reset;
-	struct edp_power_seq pps_delays;
+	struct intel_pps pps;
 
 	bool can_mst; /* this port supports mst */
 	bool is_mst;

drivers/gpu/drm/i915/display/intel_dp.c

@@ -4129,7 +4129,7 @@ intel_dp_link_down(struct intel_encoder *encoder,
 		intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
 	}
 
-	msleep(intel_dp->panel_power_down_delay);
+	msleep(intel_dp->pps.panel_power_down_delay);
 
 	intel_dp->DP = DP;
 
@@ -4137,7 +4137,7 @@ intel_dp_link_down(struct intel_encoder *encoder,
 		intel_wakeref_t wakeref;
 
 		with_intel_pps_lock(intel_dp, wakeref)
-			intel_dp->active_pipe = INVALID_PIPE;
+			intel_dp->pps.active_pipe = INVALID_PIPE;
 	}
 }
 
@@ -6368,7 +6368,7 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder)
 		intel_wakeref_t wakeref;
 
 		with_intel_pps_lock(intel_dp, wakeref)
-			intel_dp->active_pipe = vlv_active_pipe(intel_dp);
+			intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp);
 	}
 
 	intel_pps_encoder_reset(intel_dp);
@@ -7139,7 +7139,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
 		pipe = vlv_active_pipe(intel_dp);
 
 		if (pipe != PIPE_A && pipe != PIPE_B)
-			pipe = intel_dp->pps_pipe;
+			pipe = intel_dp->pps.pps_pipe;
 
 		if (pipe != PIPE_A && pipe != PIPE_B)
 			pipe = PIPE_A;
@@ -7216,8 +7216,8 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
 	intel_dp_set_source_rates(intel_dp);
 
 	intel_dp->reset_link_params = true;
-	intel_dp->pps_pipe = INVALID_PIPE;
-	intel_dp->active_pipe = INVALID_PIPE;
+	intel_dp->pps.pps_pipe = INVALID_PIPE;
+	intel_dp->pps.active_pipe = INVALID_PIPE;
 
 	/* Preserve the current hw state. */
 	intel_dp->DP = intel_de_read(dev_priv, intel_dp->output_reg);
@@ -7235,7 +7235,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port,
 	}
 
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
-		intel_dp->active_pipe = vlv_active_pipe(intel_dp);
+		intel_dp->pps.active_pipe = vlv_active_pipe(intel_dp);
 
 	/*
 	 * For eDP we always set the encoder type to INTEL_OUTPUT_EDP, but