[PATCH v2 09/10] drm/i915: Unduplicate pre encoder enabling phy code

[Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>]

The phy code in vlv_pre_enable_dp() and vlv_hdmi_pre_enable() is
exectly the same, so extract it to intel_dpio_phy.c.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h       |  1 +
 drivers/gpu/drm/i915/intel_dp.c       | 24 +-----------------------
 drivers/gpu/drm/i915/intel_dpio_phy.c | 30 ++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_hdmi.c     | 19 +------------------
 4 files changed, 33 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a002870..fad8ab2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3569,6 +3569,7 @@ void vlv_set_phy_signal_level(struct intel_encoder *encoder,
 			      u32 demph_reg_value, u32 preemph_reg_value,
 			      u32 uniqtranscale_reg_value, u32 tx3_demph);
 void vlv_phy_pre_pll_enable(struct intel_encoder *encoder);
+void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder);
 
 int intel_gpu_freq(struct drm_i915_private *dev_priv, int val);
 int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4829ba9..1596c6d 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2792,29 +2792,7 @@ static void vlv_init_panel_power_sequencer(struct intel_dp *intel_dp)
 
 static void vlv_pre_enable_dp(struct intel_encoder *encoder)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
-	struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
-	struct drm_device *dev = encoder->base.dev;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
-	enum dpio_channel port = vlv_dport_to_channel(dport);
-	int pipe = intel_crtc->pipe;
-	u32 val;
-
-	mutex_lock(&dev_priv->sb_lock);
-
-	val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
-	val = 0;
-	if (pipe)
-		val |= (1<<21);
-	else
-		val &= ~(1<<21);
-	val |= 0x001000c4;
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
-
-	mutex_unlock(&dev_priv->sb_lock);
+	vlv_phy_pre_encoder_enable(encoder);
 
 	intel_enable_dp(encoder);
 }
diff --git a/drivers/gpu/drm/i915/intel_dpio_phy.c b/drivers/gpu/drm/i915/intel_dpio_phy.c
index 846f35f..4e1ce3a 100644
--- a/drivers/gpu/drm/i915/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/intel_dpio_phy.c
@@ -423,3 +423,33 @@ void vlv_phy_pre_pll_enable(struct intel_encoder *encoder)
 	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
 	mutex_unlock(&dev_priv->sb_lock);
 }
+
+void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder)
+{
+	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
+	struct drm_device *dev = encoder->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+	enum dpio_channel port = vlv_dport_to_channel(dport);
+	int pipe = intel_crtc->pipe;
+	u32 val;
+
+	mutex_lock(&dev_priv->sb_lock);
+
+	/* Enable clock channels for this port */
+	val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
+	val = 0;
+	if (pipe)
+		val |= (1<<21);
+	else
+		val &= ~(1<<21);
+	val |= 0x001000c4;
+	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
+
+	/* Program lane clock */
+	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
+	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
+
+	mutex_unlock(&dev_priv->sb_lock);
+}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index f0c21e4..3794a54 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1586,25 +1586,8 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder)
 	struct intel_crtc *intel_crtc =
 		to_intel_crtc(encoder->base.crtc);
 	const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode;
-	enum dpio_channel port = vlv_dport_to_channel(dport);
-	int pipe = intel_crtc->pipe;
-	u32 val;
-
-	/* Enable clock channels for this port */
-	mutex_lock(&dev_priv->sb_lock);
-	val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
-	val = 0;
-	if (pipe)
-		val |= (1<<21);
-	else
-		val &= ~(1<<21);
-	val |= 0x001000c4;
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
 
-	/* Program lane clock */
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
-	mutex_unlock(&dev_priv->sb_lock);
+	vlv_phy_pre_encoder_enable(encoder);
 
 	/* HDMI 1.0V-2dB */
 	vlv_set_phy_signal_level(encoder, 0x2b245f5f, 0x00002000, 0x5578b83a,
-- 
2.4.11

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