diff mbox

[v2,08/10] drm/i915: Unduplicate VLV phy pre pll enabling code

Message ID 1460569673-13694-9-git-send-email-ander.conselvan.de.oliveira@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ander Conselvan de Oliveira April 13, 2016, 5:47 p.m. UTC
The code used by the DP and HDMI paths was very similar, so make them
share it. Note that this removes the write to signal level registers
from the HDMI pre pll enable path, but that's OK since those are set
in vlv_hdmi_pre_enable() function.

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       | 25 +------------------------
 drivers/gpu/drm/i915/intel_dpio_phy.c | 28 ++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_hdmi.c     | 28 +---------------------------
 4 files changed, 31 insertions(+), 51 deletions(-)

Comments

jim.bride@linux.intel.com April 20, 2016, 7:50 p.m. UTC | #1
On Wed, Apr 13, 2016 at 08:47:51PM +0300, Ander Conselvan de Oliveira wrote:
> The code used by the DP and HDMI paths was very similar, so make them
> share it. Note that this removes the write to signal level registers
> from the HDMI pre pll enable path, but that's OK since those are set
> in vlv_hdmi_pre_enable() function.
> 
> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>

Reviewed-by: Jim Bride <jim.bride@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_drv.h       |  1 +
>  drivers/gpu/drm/i915/intel_dp.c       | 25 +------------------------
>  drivers/gpu/drm/i915/intel_dpio_phy.c | 28 ++++++++++++++++++++++++++++
>  drivers/gpu/drm/i915/intel_hdmi.c     | 28 +---------------------------
>  4 files changed, 31 insertions(+), 51 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index f2481a2..a002870 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -3568,6 +3568,7 @@ void chv_phy_post_disable(struct intel_encoder *encoder);
>  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);
>  
>  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 3e42355..4829ba9 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -2821,32 +2821,9 @@ static void vlv_pre_enable_dp(struct intel_encoder *encoder)
>  
>  static void vlv_dp_pre_pll_enable(struct intel_encoder *encoder)
>  {
> -	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
> -	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;
> -
>  	intel_dp_prepare(encoder);
>  
> -	/* Program Tx lane resets to default */
> -	mutex_lock(&dev_priv->sb_lock);
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
> -			 DPIO_PCS_TX_LANE2_RESET |
> -			 DPIO_PCS_TX_LANE1_RESET);
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
> -			 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
> -			 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
> -			 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
> -				 DPIO_PCS_CLK_SOFT_RESET);
> -
> -	/* Fix up inter-pair skew failure */
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
> -	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
> -	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
> -	mutex_unlock(&dev_priv->sb_lock);
> +	vlv_phy_pre_pll_enable(encoder);
>  }
>  
>  static void chv_pre_enable_dp(struct intel_encoder *encoder)
> diff --git a/drivers/gpu/drm/i915/intel_dpio_phy.c b/drivers/gpu/drm/i915/intel_dpio_phy.c
> index d9e6482..846f35f 100644
> --- a/drivers/gpu/drm/i915/intel_dpio_phy.c
> +++ b/drivers/gpu/drm/i915/intel_dpio_phy.c
> @@ -395,3 +395,31 @@ void vlv_set_phy_signal_level(struct intel_encoder *encoder,
>  	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
>  	mutex_unlock(&dev_priv->sb_lock);
>  }
> +
> +void vlv_phy_pre_pll_enable(struct intel_encoder *encoder)
> +{
> +	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
> +	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;
> +
> +	/* Program Tx lane resets to default */
> +	mutex_lock(&dev_priv->sb_lock);
> +	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
> +			 DPIO_PCS_TX_LANE2_RESET |
> +			 DPIO_PCS_TX_LANE1_RESET);
> +	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
> +			 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
> +			 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
> +			 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
> +				 DPIO_PCS_CLK_SOFT_RESET);
> +
> +	/* Fix up inter-pair skew failure */
> +	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
> +	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
> +	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
> +	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 9386772..f0c21e4 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -1621,35 +1621,9 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder)
>  
>  static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
>  {
> -	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
> -	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;
> -
>  	intel_hdmi_prepare(encoder);
>  
> -	/* Program Tx lane resets to default */
> -	mutex_lock(&dev_priv->sb_lock);
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
> -			 DPIO_PCS_TX_LANE2_RESET |
> -			 DPIO_PCS_TX_LANE1_RESET);
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
> -			 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
> -			 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
> -			 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
> -			 DPIO_PCS_CLK_SOFT_RESET);
> -
> -	/* Fix up inter-pair skew failure */
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
> -	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
> -	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
> -
> -	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000);
> -	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
> -	mutex_unlock(&dev_priv->sb_lock);
> +	vlv_phy_pre_pll_enable(encoder);
>  }
>  
>  static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
> -- 
> 2.4.11
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f2481a2..a002870 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3568,6 +3568,7 @@  void chv_phy_post_disable(struct intel_encoder *encoder);
 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);
 
 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 3e42355..4829ba9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2821,32 +2821,9 @@  static void vlv_pre_enable_dp(struct intel_encoder *encoder)
 
 static void vlv_dp_pre_pll_enable(struct intel_encoder *encoder)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
-	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;
-
 	intel_dp_prepare(encoder);
 
-	/* Program Tx lane resets to default */
-	mutex_lock(&dev_priv->sb_lock);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
-			 DPIO_PCS_TX_LANE2_RESET |
-			 DPIO_PCS_TX_LANE1_RESET);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
-			 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
-			 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
-			 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
-				 DPIO_PCS_CLK_SOFT_RESET);
-
-	/* Fix up inter-pair skew failure */
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
-	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
-	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
-	mutex_unlock(&dev_priv->sb_lock);
+	vlv_phy_pre_pll_enable(encoder);
 }
 
 static void chv_pre_enable_dp(struct intel_encoder *encoder)
diff --git a/drivers/gpu/drm/i915/intel_dpio_phy.c b/drivers/gpu/drm/i915/intel_dpio_phy.c
index d9e6482..846f35f 100644
--- a/drivers/gpu/drm/i915/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/intel_dpio_phy.c
@@ -395,3 +395,31 @@  void vlv_set_phy_signal_level(struct intel_encoder *encoder,
 	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
 	mutex_unlock(&dev_priv->sb_lock);
 }
+
+void vlv_phy_pre_pll_enable(struct intel_encoder *encoder)
+{
+	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	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;
+
+	/* Program Tx lane resets to default */
+	mutex_lock(&dev_priv->sb_lock);
+	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
+			 DPIO_PCS_TX_LANE2_RESET |
+			 DPIO_PCS_TX_LANE1_RESET);
+	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
+			 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
+			 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
+			 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
+				 DPIO_PCS_CLK_SOFT_RESET);
+
+	/* Fix up inter-pair skew failure */
+	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
+	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
+	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
+	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 9386772..f0c21e4 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1621,35 +1621,9 @@  static void vlv_hdmi_pre_enable(struct intel_encoder *encoder)
 
 static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
-	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;
-
 	intel_hdmi_prepare(encoder);
 
-	/* Program Tx lane resets to default */
-	mutex_lock(&dev_priv->sb_lock);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
-			 DPIO_PCS_TX_LANE2_RESET |
-			 DPIO_PCS_TX_LANE1_RESET);
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
-			 DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
-			 DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
-			 (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
-			 DPIO_PCS_CLK_SOFT_RESET);
-
-	/* Fix up inter-pair skew failure */
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
-	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
-	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
-
-	vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000);
-	vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
-	mutex_unlock(&dev_priv->sb_lock);
+	vlv_phy_pre_pll_enable(encoder);
 }
 
 static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder)