drm/i915: Pass around dev_priv for ddi buffer programming

Make the ddi buffer programming code a bit more neat by passing
around dev_priv instead of dev.

v2: Resolve conflicts due to KBL

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v1)

1 files changed, 37 insertions, 42 deletions

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 9f8b28f..c471464 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -301,8 +301,8 @@ static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = {
 	{ 154, 0x9A, 1, 128, true },	/* 9:	1200		0   */
 };
 
-static void bxt_ddi_vswing_sequence(struct drm_device *dev, u32 level,
-				    enum port port, int type);
+static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv,
+				    u32 level, enum port port, int type);
 
 static void ddi_get_encoder_port(struct intel_encoder *intel_encoder,
 				 struct intel_digital_port **dig_port,
@@ -349,12 +349,12 @@ intel_dig_port_supports_hdmi(const struct intel_digital_port *intel_dig_port)
 }
 
 static const struct ddi_buf_trans *
-skl_get_buf_trans_dp(struct drm_device *dev, int *n_entries)
+skl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries)
 {
-	if (IS_SKL_ULX(dev) || IS_KBL_ULX(dev)) {
+	if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv)) {
 		*n_entries = ARRAY_SIZE(skl_y_ddi_translations_dp);
 		return skl_y_ddi_translations_dp;
-	} else if (IS_SKL_ULT(dev) || IS_KBL_ULT(dev)) {
+	} else if (IS_SKL_ULT(dev_priv) || IS_KBL_ULT(dev_priv)) {
 		*n_entries = ARRAY_SIZE(skl_u_ddi_translations_dp);
 		return skl_u_ddi_translations_dp;
 	} else {
@@ -364,15 +364,13 @@ skl_get_buf_trans_dp(struct drm_device *dev, int *n_entries)
 }
 
 static const struct ddi_buf_trans *
-skl_get_buf_trans_edp(struct drm_device *dev, int *n_entries)
+skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
-
 	if (dev_priv->edp_low_vswing) {
-		if (IS_SKL_ULX(dev) || IS_KBL_ULX(dev)) {
+		if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv)) {
 			*n_entries = ARRAY_SIZE(skl_y_ddi_translations_edp);
 			return skl_y_ddi_translations_edp;
-		} else if (IS_SKL_ULT(dev) || IS_KBL_ULT(dev)) {
+		} else if (IS_SKL_ULT(dev_priv) || IS_KBL_ULT(dev_priv)) {
 			*n_entries = ARRAY_SIZE(skl_u_ddi_translations_edp);
 			return skl_u_ddi_translations_edp;
 		} else {
@@ -381,13 +379,13 @@ skl_get_buf_trans_edp(struct drm_device *dev, int *n_entries)
 		}
 	}
 
-	return skl_get_buf_trans_dp(dev, n_entries);
+	return skl_get_buf_trans_dp(dev_priv, n_entries);
 }
 
 static const struct ddi_buf_trans *
-skl_get_buf_trans_hdmi(struct drm_device *dev, int *n_entries)
+skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
 {
-	if (IS_SKL_ULX(dev) || IS_KBL_ULX(dev)) {
+	if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv)) {
 		*n_entries = ARRAY_SIZE(skl_y_ddi_translations_hdmi);
 		return skl_y_ddi_translations_hdmi;
 	} else {
@@ -403,10 +401,9 @@ skl_get_buf_trans_hdmi(struct drm_device *dev, int *n_entries)
  * in either FDI or DP modes only, as HDMI connections will work with both
  * of those
  */
-static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port,
-				      bool supports_hdmi)
+static void intel_prepare_ddi_buffers(struct drm_i915_private *dev_priv,
+				      enum port port, bool supports_hdmi)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 iboost_bit = 0;
 	int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_default_entry,
 	    size;
@@ -417,28 +414,28 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port,
 	const struct ddi_buf_trans *ddi_translations_hdmi;
 	const struct ddi_buf_trans *ddi_translations;
 
-	if (IS_BROXTON(dev)) {
+	if (IS_BROXTON(dev_priv)) {
 		if (!supports_hdmi)
 			return;
 
 		/* Vswing programming for HDMI */
-		bxt_ddi_vswing_sequence(dev, hdmi_level, port,
+		bxt_ddi_vswing_sequence(dev_priv, hdmi_level, port,
 					INTEL_OUTPUT_HDMI);
 		return;
-	} else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
+	} else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
 		ddi_translations_fdi = NULL;
 		ddi_translations_dp =
-				skl_get_buf_trans_dp(dev, &n_dp_entries);
+				skl_get_buf_trans_dp(dev_priv, &n_dp_entries);
 		ddi_translations_edp =
-				skl_get_buf_trans_edp(dev, &n_edp_entries);
+				skl_get_buf_trans_edp(dev_priv, &n_edp_entries);
 		ddi_translations_hdmi =
-				skl_get_buf_trans_hdmi(dev, &n_hdmi_entries);
+				skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
 		hdmi_default_entry = 8;
 		/* If we're boosting the current, set bit 31 of trans1 */
 		if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level ||
 		    dev_priv->vbt.ddi_port_info[port].dp_boost_level)
 			iboost_bit = 1<<31;
-	} else if (IS_BROADWELL(dev)) {
+	} else if (IS_BROADWELL(dev_priv)) {
 		ddi_translations_fdi = bdw_ddi_translations_fdi;
 		ddi_translations_dp = bdw_ddi_translations_dp;
 		ddi_translations_edp = bdw_ddi_translations_edp;
@@ -447,7 +444,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port,
 		n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
 		n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
 		hdmi_default_entry = 7;
-	} else if (IS_HASWELL(dev)) {
+	} else if (IS_HASWELL(dev_priv)) {
 		ddi_translations_fdi = hsw_ddi_translations_fdi;
 		ddi_translations_dp = hsw_ddi_translations_dp;
 		ddi_translations_edp = hsw_ddi_translations_dp;
@@ -478,7 +475,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port,
 		size = n_dp_entries;
 		break;
 	case PORT_D:
-		if (intel_dp_is_edp(dev, PORT_D)) {
+		if (intel_dp_is_edp(dev_priv->dev, PORT_D)) {
 			ddi_translations = ddi_translations_edp;
 			size = n_edp_entries;
 		} else {
@@ -545,7 +542,7 @@ void intel_prepare_ddi(struct drm_device *dev)
 		supports_hdmi = intel_dig_port &&
 				intel_dig_port_supports_hdmi(intel_dig_port);
 
-		intel_prepare_ddi_buffers(dev, port, supports_hdmi);
+		intel_prepare_ddi_buffers(to_i915(dev), port, supports_hdmi);
 		visited[port] = true;
 	}
 }
@@ -2062,10 +2059,9 @@ void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc)
 			   TRANS_CLK_SEL_DISABLED);
 }
 
-static void skl_ddi_set_iboost(struct drm_device *dev, u32 level,
-			       enum port port, int type)
+static void skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
+			       u32 level, enum port port, int type)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
 	const struct ddi_buf_trans *ddi_translations;
 	uint8_t iboost;
 	uint8_t dp_iboost, hdmi_iboost;
@@ -2080,21 +2076,21 @@ static void skl_ddi_set_iboost(struct drm_device *dev, u32 level,
 		if (dp_iboost) {
 			iboost = dp_iboost;
 		} else {
-			ddi_translations = skl_get_buf_trans_dp(dev, &n_entries);
+			ddi_translations = skl_get_buf_trans_dp(dev_priv, &n_entries);
 			iboost = ddi_translations[level].i_boost;
 		}
 	} else if (type == INTEL_OUTPUT_EDP) {
 		if (dp_iboost) {
 			iboost = dp_iboost;
 		} else {
-			ddi_translations = skl_get_buf_trans_edp(dev, &n_entries);
+			ddi_translations = skl_get_buf_trans_edp(dev_priv, &n_entries);
 			iboost = ddi_translations[level].i_boost;
 		}
 	} else if (type == INTEL_OUTPUT_HDMI) {
 		if (hdmi_iboost) {
 			iboost = hdmi_iboost;
 		} else {
-			ddi_translations = skl_get_buf_trans_hdmi(dev, &n_entries);
+			ddi_translations = skl_get_buf_trans_hdmi(dev_priv, &n_entries);
 			iboost = ddi_translations[level].i_boost;
 		}
 	} else {
@@ -2119,10 +2115,9 @@ static void skl_ddi_set_iboost(struct drm_device *dev, u32 level,
 	I915_WRITE(DISPIO_CR_TX_BMU_CR0, reg);
 }
 
-static void bxt_ddi_vswing_sequence(struct drm_device *dev, u32 level,
-				    enum port port, int type)
+static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv,
+				    u32 level, enum port port, int type)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
 	const struct bxt_ddi_buf_trans *ddi_translations;
 	u32 n_entries, i;
 	uint32_t val;
@@ -2237,7 +2232,7 @@ static uint32_t translate_signal_level(int signal_levels)
 uint32_t ddi_signal_levels(struct intel_dp *intel_dp)
 {
 	struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = dport->base.base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
 	struct intel_encoder *encoder = &dport->base;
 	uint8_t train_set = intel_dp->train_set[0];
 	int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
@@ -2247,10 +2242,10 @@ uint32_t ddi_signal_levels(struct intel_dp *intel_dp)
 
 	level = translate_signal_level(signal_levels);
 
-	if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
-		skl_ddi_set_iboost(dev, level, port, encoder->type);
-	else if (IS_BROXTON(dev))
-		bxt_ddi_vswing_sequence(dev, level, port, encoder->type);
+	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+		skl_ddi_set_iboost(dev_priv, level, port, encoder->type);
+	else if (IS_BROXTON(dev_priv))
+		bxt_ddi_vswing_sequence(dev_priv, level, port, encoder->type);
 
 	return DDI_BUF_TRANS_SELECT(level);
 }
@@ -2333,8 +2328,8 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
 		if (IS_BROXTON(dev)) {
 			hdmi_level = dev_priv->vbt.
 				ddi_port_info[port].hdmi_level_shift;
-			bxt_ddi_vswing_sequence(dev, hdmi_level, port,
-					INTEL_OUTPUT_HDMI);
+			bxt_ddi_vswing_sequence(dev_priv, hdmi_level, port,
+						INTEL_OUTPUT_HDMI);
 		}
 		intel_hdmi->set_infoframes(encoder,
 					   crtc->config->has_hdmi_sink,