drm/i915: Simplify pipe_mask setup even further

Just set pipe_mask=~0 for the non-special cases where any pipe
will do. intel_encoder_possible_crtcs() will anyway drop out
anything that doesn't exist.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191002162505.30716-5-ville.syrjala@linux.intel.comReviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>

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

@@ -1552,7 +1552,6 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	struct drm_connector *connector;
 	struct drm_display_mode *fixed_mode;
 	enum port port;
-	enum pipe pipe;
 
 	if (!intel_bios_is_dsi_present(dev_priv, &port))
 		return;
@@ -1585,8 +1584,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	encoder->get_hw_state = gen11_dsi_get_hw_state;
 	encoder->type = INTEL_OUTPUT_DSI;
 	encoder->cloneable = 0;
-	for_each_pipe(dev_priv, pipe)
-		encoder->pipe_mask |= BIT(pipe);
+	encoder->pipe_mask = ~0;
 	encoder->power_domain = POWER_DOMAIN_PORT_DSI;
 	encoder->get_power_domains = gen11_dsi_get_power_domains;
 

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

@@ -1003,7 +1003,7 @@ void intel_crt_init(struct drm_i915_private *dev_priv)
 	if (IS_I830(dev_priv))
 		crt->base.pipe_mask = BIT(PIPE_A);
 	else
-		crt->base.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
+		crt->base.pipe_mask = ~0;
 
 	if (IS_GEN(dev_priv, 2))
 		connector->interlace_allowed = 0;

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

@@ -4688,7 +4688,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	struct intel_encoder *intel_encoder;
 	struct drm_encoder *encoder;
 	bool init_hdmi, init_dp, init_lspcon = false;
-	enum pipe pipe;
 	enum phy phy = intel_port_to_phy(dev_priv, port);
 
 	init_hdmi = port_info->supports_dvi || port_info->supports_hdmi;
@@ -4740,8 +4739,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	intel_encoder->power_domain = intel_port_to_power_domain(port);
 	intel_encoder->port = port;
 	intel_encoder->cloneable = 0;
-	for_each_pipe(dev_priv, pipe)
-		intel_encoder->pipe_mask |= BIT(pipe);
+	intel_encoder->pipe_mask = ~0;
 
 	if (INTEL_GEN(dev_priv) >= 11)
 		intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) &

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

@@ -7575,7 +7575,7 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 		else
 			intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B);
 	} else {
-		intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
+		intel_encoder->pipe_mask = ~0;
 	}
 	intel_encoder->cloneable = 0;
 	intel_encoder->port = port;

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

@@ -598,8 +598,6 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum
 	struct intel_dp_mst_encoder *intel_mst;
 	struct intel_encoder *intel_encoder;
 	struct drm_device *dev = intel_dig_port->base.base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	enum pipe pipe_iter;
 
 	intel_mst = kzalloc(sizeof(*intel_mst), GFP_KERNEL);
 
@@ -617,8 +615,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum
 	intel_encoder->power_domain = intel_dig_port->base.power_domain;
 	intel_encoder->port = intel_dig_port->base.port;
 	intel_encoder->cloneable = 0;
-	for_each_pipe(dev_priv, pipe_iter)
-		intel_encoder->pipe_mask |= BIT(pipe_iter);
+	intel_encoder->pipe_mask = ~0;
 
 	intel_encoder->compute_config = intel_dp_mst_compute_config;
 	intel_encoder->disable = intel_mst_disable_dp;

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

@@ -505,7 +505,7 @@ void intel_dvo_init(struct drm_i915_private *dev_priv)
 		intel_encoder->type = INTEL_OUTPUT_DVO;
 		intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
 		intel_encoder->port = port;
-		intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B);
+		intel_encoder->pipe_mask = ~0;
 
 		switch (dvo->type) {
 		case INTEL_DVO_CHIP_TMDS:

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

@@ -3287,7 +3287,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv,
 		else
 			intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B);
 	} else {
-		intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
+		intel_encoder->pipe_mask = ~0;
 	}
 	intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
 	/*

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

@@ -902,7 +902,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	if (INTEL_GEN(dev_priv) < 4)
 		intel_encoder->pipe_mask = BIT(PIPE_B);
 	else
-		intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
+		intel_encoder->pipe_mask = ~0;
 
 	drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;

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

@@ -2921,7 +2921,7 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags)
 			      bytes[0], bytes[1]);
 		return false;
 	}
-	intel_sdvo->base.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
+	intel_sdvo->base.pipe_mask = ~0;
 
 	return true;
 }

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

@@ -1947,7 +1947,7 @@ intel_tv_init(struct drm_i915_private *dev_priv)
 	intel_encoder->type = INTEL_OUTPUT_TVOUT;
 	intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER;
 	intel_encoder->port = PORT_NONE;
-	intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B);
+	intel_encoder->pipe_mask = ~0;
 	intel_encoder->cloneable = 0;
 	intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
 

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

@@ -1870,7 +1870,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	 * port C. BXT isn't limited like this.
 	 */
 	if (IS_GEN9_LP(dev_priv))
-		intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
+		intel_encoder->pipe_mask = ~0;
 	else if (port == PORT_A)
 		intel_encoder->pipe_mask = BIT(PIPE_A);
 	else