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[PATCH v2 08/20] drm: msm: Rely on the default ->best_encoder() behavior where appropriate

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  [PATCH v2 08/20] drm: msm: Rely on the default ->best_encoder() behavior where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-06-07 14:00 +0200
    Re: [PATCH v2 08/20] drm: msm: Rely on the default ->best_encoder()  behavior where appropriate Archit Taneja <architt@codeaurora.org> - 2016-06-08 12:10 +0200

#1416089 — [PATCH v2 08/20] drm: msm: Rely on the default ->best_encoder() behavior where appropriate

For all outputs except DSI we have a 1:1 relationship between connectors
and encoders and the driver is relying on the atomic helpers: we can
drop the custom ->best_encoder() and let the core call
drm_atomic_helper_best_encoder() for us.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
 drivers/gpu/drm/msm/edp/edp_connector.c            | 10 ----------
 drivers/gpu/drm/msm/hdmi/hdmi_connector.c          |  8 --------
 drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c |  9 ---------
 3 files changed, 27 deletions(-)

diff --git a/drivers/gpu/drm/msm/edp/edp_connector.c b/drivers/gpu/drm/msm/edp/edp_connector.c
index 72360cd..5960628 100644
--- a/drivers/gpu/drm/msm/edp/edp_connector.c
+++ b/drivers/gpu/drm/msm/edp/edp_connector.c
@@ -91,15 +91,6 @@ static int edp_connector_mode_valid(struct drm_connector *connector,
 	return MODE_OK;
 }
 
-static struct drm_encoder *
-edp_connector_best_encoder(struct drm_connector *connector)
-{
-	struct edp_connector *edp_connector = to_edp_connector(connector);
-
-	DBG("");
-	return edp_connector->edp->encoder;
-}
-
 static const struct drm_connector_funcs edp_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = edp_connector_detect,
@@ -113,7 +104,6 @@ static const struct drm_connector_funcs edp_connector_funcs = {
 static const struct drm_connector_helper_funcs edp_connector_helper_funcs = {
 	.get_modes = edp_connector_get_modes,
 	.mode_valid = edp_connector_mode_valid,
-	.best_encoder = edp_connector_best_encoder,
 };
 
 /* initialize connector */
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
index b15d726..a2515b4 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
@@ -406,13 +406,6 @@ static int msm_hdmi_connector_mode_valid(struct drm_connector *connector,
 	return 0;
 }
 
-static struct drm_encoder *
-msm_hdmi_connector_best_encoder(struct drm_connector *connector)
-{
-	struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
-	return hdmi_connector->hdmi->encoder;
-}
-
 static const struct drm_connector_funcs hdmi_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = hdmi_connector_detect,
@@ -426,7 +419,6 @@ static const struct drm_connector_funcs hdmi_connector_funcs = {
 static const struct drm_connector_helper_funcs msm_hdmi_connector_helper_funcs = {
 	.get_modes = msm_hdmi_connector_get_modes,
 	.mode_valid = msm_hdmi_connector_mode_valid,
-	.best_encoder = msm_hdmi_connector_best_encoder,
 };
 
 /* initialize connector */
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
index 2648cd7..353429b 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
@@ -90,14 +90,6 @@ static int mdp4_lvds_connector_mode_valid(struct drm_connector *connector,
 	return MODE_OK;
 }
 
-static struct drm_encoder *
-mdp4_lvds_connector_best_encoder(struct drm_connector *connector)
-{
-	struct mdp4_lvds_connector *mdp4_lvds_connector =
-			to_mdp4_lvds_connector(connector);
-	return mdp4_lvds_connector->encoder;
-}
-
 static const struct drm_connector_funcs mdp4_lvds_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = mdp4_lvds_connector_detect,
@@ -111,7 +103,6 @@ static const struct drm_connector_funcs mdp4_lvds_connector_funcs = {
 static const struct drm_connector_helper_funcs mdp4_lvds_connector_helper_funcs = {
 	.get_modes = mdp4_lvds_connector_get_modes,
 	.mode_valid = mdp4_lvds_connector_mode_valid,
-	.best_encoder = mdp4_lvds_connector_best_encoder,
 };
 
 /* initialize connector */
-- 
2.7.4

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#1417240 — Re: [PATCH v2 08/20] drm: msm: Rely on the default ->best_encoder() behavior where appropriate

Hi,

On 06/07/2016 05:18 PM, Boris Brezillon wrote:
> For all outputs except DSI we have a 1:1 relationship between connectors
> and encoders and the driver is relying on the atomic helpers: we can
> drop the custom ->best_encoder() and let the core call
> drm_atomic_helper_best_encoder() for us.

Works fine with msm.

Tested-by: Archit Taneja <architt@codeaurora.org>

Thanks,
Archit

>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
>   drivers/gpu/drm/msm/edp/edp_connector.c            | 10 ----------
>   drivers/gpu/drm/msm/hdmi/hdmi_connector.c          |  8 --------
>   drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c |  9 ---------
>   3 files changed, 27 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/edp/edp_connector.c b/drivers/gpu/drm/msm/edp/edp_connector.c
> index 72360cd..5960628 100644
> --- a/drivers/gpu/drm/msm/edp/edp_connector.c
> +++ b/drivers/gpu/drm/msm/edp/edp_connector.c
> @@ -91,15 +91,6 @@ static int edp_connector_mode_valid(struct drm_connector *connector,
>   	return MODE_OK;
>   }
>
> -static struct drm_encoder *
> -edp_connector_best_encoder(struct drm_connector *connector)
> -{
> -	struct edp_connector *edp_connector = to_edp_connector(connector);
> -
> -	DBG("");
> -	return edp_connector->edp->encoder;
> -}
> -
>   static const struct drm_connector_funcs edp_connector_funcs = {
>   	.dpms = drm_atomic_helper_connector_dpms,
>   	.detect = edp_connector_detect,
> @@ -113,7 +104,6 @@ static const struct drm_connector_funcs edp_connector_funcs = {
>   static const struct drm_connector_helper_funcs edp_connector_helper_funcs = {
>   	.get_modes = edp_connector_get_modes,
>   	.mode_valid = edp_connector_mode_valid,
> -	.best_encoder = edp_connector_best_encoder,
>   };
>
>   /* initialize connector */
> diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
> index b15d726..a2515b4 100644
> --- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
> +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
> @@ -406,13 +406,6 @@ static int msm_hdmi_connector_mode_valid(struct drm_connector *connector,
>   	return 0;
>   }
>
> -static struct drm_encoder *
> -msm_hdmi_connector_best_encoder(struct drm_connector *connector)
> -{
> -	struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
> -	return hdmi_connector->hdmi->encoder;
> -}
> -
>   static const struct drm_connector_funcs hdmi_connector_funcs = {
>   	.dpms = drm_atomic_helper_connector_dpms,
>   	.detect = hdmi_connector_detect,
> @@ -426,7 +419,6 @@ static const struct drm_connector_funcs hdmi_connector_funcs = {
>   static const struct drm_connector_helper_funcs msm_hdmi_connector_helper_funcs = {
>   	.get_modes = msm_hdmi_connector_get_modes,
>   	.mode_valid = msm_hdmi_connector_mode_valid,
> -	.best_encoder = msm_hdmi_connector_best_encoder,
>   };
>
>   /* initialize connector */
> diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
> index 2648cd7..353429b 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
> @@ -90,14 +90,6 @@ static int mdp4_lvds_connector_mode_valid(struct drm_connector *connector,
>   	return MODE_OK;
>   }
>
> -static struct drm_encoder *
> -mdp4_lvds_connector_best_encoder(struct drm_connector *connector)
> -{
> -	struct mdp4_lvds_connector *mdp4_lvds_connector =
> -			to_mdp4_lvds_connector(connector);
> -	return mdp4_lvds_connector->encoder;
> -}
> -
>   static const struct drm_connector_funcs mdp4_lvds_connector_funcs = {
>   	.dpms = drm_atomic_helper_connector_dpms,
>   	.detect = mdp4_lvds_connector_detect,
> @@ -111,7 +103,6 @@ static const struct drm_connector_funcs mdp4_lvds_connector_funcs = {
>   static const struct drm_connector_helper_funcs mdp4_lvds_connector_helper_funcs = {
>   	.get_modes = mdp4_lvds_connector_get_modes,
>   	.mode_valid = mdp4_lvds_connector_mode_valid,
> -	.best_encoder = mdp4_lvds_connector_best_encoder,
>   };
>
>   /* initialize connector */
>

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Forum, hosted by The Linux Foundation

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