[PATCH v2] drm/i915: Generalize definition for crtc mask

Mika Kahola mika.kahola at intel.com
Mon Dec 11 08:55:02 UTC 2017


crtc_mask is defined explicitly defined for a certain number of pipes per
platform. Let's generalize this in a way that crtc_mask dependens only on
the number of pipes defined in device info.

v2: Use BIT() macro wherever possible (Ville)
    Drop generalization for all other connectors except DDI (Ville)
    Fix DP-MST crtc mask to be dependent only on pipe (Ville)

Signed-off-by: Mika Kahola <mika.kahola at intel.com>
---
 drivers/gpu/drm/i915/intel_crt.c    | 4 ++--
 drivers/gpu/drm/i915/intel_ddi.c    | 6 +++++-
 drivers/gpu/drm/i915/intel_dp.c     | 6 +++---
 drivers/gpu/drm/i915/intel_dp_mst.c | 2 +-
 drivers/gpu/drm/i915/intel_dvo.c    | 2 +-
 drivers/gpu/drm/i915/intel_hdmi.c   | 6 +++---
 drivers/gpu/drm/i915/intel_lvds.c   | 6 +++---
 drivers/gpu/drm/i915/intel_sdvo.c   | 2 +-
 drivers/gpu/drm/i915/intel_tv.c     | 4 ++--
 9 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 9f31aea..9557e6e 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -951,9 +951,9 @@ void intel_crt_init(struct drm_i915_private *dev_priv)
 	crt->base.type = INTEL_OUTPUT_ANALOG;
 	crt->base.cloneable = (1 << INTEL_OUTPUT_DVO) | (1 << INTEL_OUTPUT_HDMI);
 	if (IS_I830(dev_priv))
-		crt->base.crtc_mask = (1 << 0);
+		crt->base.crtc_mask = BIT(PIPE_A);
 	else
-		crt->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+		crt->base.crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
 
 	if (IS_GEN2(dev_priv))
 		connector->interlace_allowed = 0;
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 369f780..581a8b3 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2767,6 +2767,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	struct drm_encoder *encoder;
 	bool init_hdmi, init_dp, init_lspcon = false;
 	int max_lanes;
+	enum pipe pipe;
 
 	if (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) {
 		switch (port) {
@@ -2885,7 +2886,10 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	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);
+
+	for_each_pipe(dev_priv, pipe)
+		intel_encoder->crtc_mask |= BIT(pipe);
+
 	intel_encoder->cloneable = 0;
 
 	intel_infoframe_init(intel_dig_port);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 35c5299..a18d4b2 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -6205,11 +6205,11 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 	intel_encoder->power_domain = intel_port_to_power_domain(port);
 	if (IS_CHERRYVIEW(dev_priv)) {
 		if (port == PORT_D)
-			intel_encoder->crtc_mask = 1 << 2;
+			intel_encoder->crtc_mask = BIT(PIPE_C);
 		else
-			intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+			intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B);
 	} else {
-		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
 	}
 	intel_encoder->cloneable = 0;
 	intel_encoder->port = port;
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index c3de091..07d3f58 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -553,7 +553,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum
 	intel_encoder->type = INTEL_OUTPUT_DP_MST;
 	intel_encoder->power_domain = intel_dig_port->base.power_domain;
 	intel_encoder->port = intel_dig_port->base.port;
-	intel_encoder->crtc_mask = 0x7;
+	intel_encoder->crtc_mask = BIT(pipe);
 	intel_encoder->cloneable = 0;
 
 	intel_encoder->compute_config = intel_dp_mst_compute_config;
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 754baa0..9de8615 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -500,7 +500,7 @@ 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->crtc_mask = (1 << 0) | (1 << 1);
+		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B);
 
 		switch (dvo->type) {
 		case INTEL_DVO_CHIP_TMDS:
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index bced7b9..75f2b7a 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -2124,11 +2124,11 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv,
 	intel_encoder->port = port;
 	if (IS_CHERRYVIEW(dev_priv)) {
 		if (port == PORT_D)
-			intel_encoder->crtc_mask = 1 << 2;
+			intel_encoder->crtc_mask = BIT(PIPE_C);
 		else
-			intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+			intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B);
 	} else {
-		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
 	}
 	intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
 	/*
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index ef80499..7b0f9519 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -1026,11 +1026,11 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
 	intel_encoder->port = PORT_NONE;
 	intel_encoder->cloneable = 0;
 	if (HAS_PCH_SPLIT(dev_priv))
-		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
 	else if (IS_GEN4(dev_priv))
-		intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
+		intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B);
 	else
-		intel_encoder->crtc_mask = (1 << 1);
+		intel_encoder->crtc_mask = BIT(PIPE_B);
 
 	drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs);
 	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 2b87648..3c568f6 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2697,7 +2697,7 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
 			      bytes[0], bytes[1]);
 		return false;
 	}
-	intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
+	intel_sdvo->base.crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
 
 	return true;
 }
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index b3dabc2..3b65197 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1542,9 +1542,9 @@ 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->crtc_mask = (1 << 0) | (1 << 1);
+	intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B);
 	intel_encoder->cloneable = 0;
-	intel_encoder->base.possible_crtcs = ((1 << 0) | (1 << 1));
+	intel_encoder->base.possible_crtcs = BIT(PIPE_A) | BIT(PIPE_B);
 	intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
 
 	/* BIOS margin values */
-- 
2.7.4



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