diff mbox

[1/2] drm/i915/psr: Move PSR aux setup to it's own function.

Message ID 20180313034646.3721-1-dhinakaran.pandiyan@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dhinakaran Pandiyan March 13, 2018, 3:46 a.m. UTC
Non-functional change useful for the following patch.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
---
 drivers/gpu/drm/i915/intel_psr.c | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

Comments

Dhinakaran Pandiyan March 13, 2018, 5:17 p.m. UTC | #1
On Tue, 2018-03-13 at 04:23 +0000, Patchwork wrote:
> == Series Details ==

> 

> Series: series starting with [1/2] drm/i915/psr: Move PSR aux setup to it's own function.

> URL   : https://patchwork.freedesktop.org/series/39825/

> State : warning

> 

> == Summary ==

> 

> Series 39825v1 series starting with [1/2] drm/i915/psr: Move PSR aux setup to it's own function.

> https://patchwork.freedesktop.org/api/1.0/series/39825/revisions/1/mbox/

> 

> ---- Possible new issues:

> 

> Test drv_module_reload:

>         Subgroup basic-reload:

>                 pass       -> DMESG-WARN (fi-elk-e7500)


Platform does not have PSR, error looks spurious.
Rodrigo Vivi March 21, 2018, 8:09 p.m. UTC | #2
On Mon, Mar 12, 2018 at 08:46:45PM -0700, Dhinakaran Pandiyan wrote:
> Non-functional change useful for the following patch.
> 
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Cc: José Roberto de Souza <jose.souza@intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

> ---
>  drivers/gpu/drm/i915/intel_psr.c | 31 ++++++++++++++++++++-----------
>  1 file changed, 20 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 975ebb51c7af..86d6c19c9ae6 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -246,7 +246,7 @@ static i915_reg_t psr_aux_data_reg(struct drm_i915_private *dev_priv,
>  		return EDP_PSR_AUX_DATA(index);
>  }
>  
> -static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
> +static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
>  {
>  	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>  	struct drm_device *dev = dig_port->base.base.dev;
> @@ -267,6 +267,24 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
>  	BUILD_BUG_ON(sizeof(aux_msg) > 20);
>  
>  	aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);
> +	aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
> +
> +	/* Setup AUX registers */
> +	for (i = 0; i < sizeof(aux_msg); i += 4)
> +		I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
> +			   intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
> +
> +	aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
> +					     aux_clock_divider);
> +	I915_WRITE(aux_ctl_reg, aux_ctl);
> +}
> +
> +static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
> +{
> +	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
> +	struct drm_device *dev = dig_port->base.base.dev;
> +	struct drm_i915_private *dev_priv = to_i915(dev);
> +
>  
>  	/* Enable AUX frame sync at sink */
>  	if (dev_priv->psr.aux_frame_sync)
> @@ -285,16 +303,7 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
>  		drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
>  				   DP_PSR_ENABLE);
>  
> -	aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
> -
> -	/* Setup AUX registers */
> -	for (i = 0; i < sizeof(aux_msg); i += 4)
> -		I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
> -			   intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
> -
> -	aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
> -					     aux_clock_divider);
> -	I915_WRITE(aux_ctl_reg, aux_ctl);
> +	hsw_psr_setup_aux(intel_dp);
>  }
>  
>  static void vlv_psr_enable_source(struct intel_dp *intel_dp,
> -- 
> 2.14.1
> 
> _______________________________________________
> 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/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 975ebb51c7af..86d6c19c9ae6 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -246,7 +246,7 @@  static i915_reg_t psr_aux_data_reg(struct drm_i915_private *dev_priv,
 		return EDP_PSR_AUX_DATA(index);
 }
 
-static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
+static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
 {
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct drm_device *dev = dig_port->base.base.dev;
@@ -267,6 +267,24 @@  static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
 	BUILD_BUG_ON(sizeof(aux_msg) > 20);
 
 	aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0);
+	aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
+
+	/* Setup AUX registers */
+	for (i = 0; i < sizeof(aux_msg); i += 4)
+		I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
+			   intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
+
+	aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
+					     aux_clock_divider);
+	I915_WRITE(aux_ctl_reg, aux_ctl);
+}
+
+static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
+{
+	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
+	struct drm_device *dev = dig_port->base.base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+
 
 	/* Enable AUX frame sync at sink */
 	if (dev_priv->psr.aux_frame_sync)
@@ -285,16 +303,7 @@  static void hsw_psr_enable_sink(struct intel_dp *intel_dp)
 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
 				   DP_PSR_ENABLE);
 
-	aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
-
-	/* Setup AUX registers */
-	for (i = 0; i < sizeof(aux_msg); i += 4)
-		I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
-			   intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
-
-	aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
-					     aux_clock_divider);
-	I915_WRITE(aux_ctl_reg, aux_ctl);
+	hsw_psr_setup_aux(intel_dp);
 }
 
 static void vlv_psr_enable_source(struct intel_dp *intel_dp,