[v1] drm/msm/dp: Add MST support for MSM chipsets

[PATCH 27/45] drm/msm/dp: make the SST bridge disconnected when mst is active

Posted by Abhinav Kumar 1 year ago

Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
---
 drivers/gpu/drm/msm/dp/dp_drm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index 920392b3c688821bccdc66d50fb7052ac3a9a85a..225858c6240512cf2c5ca3b5eb52cf9b7f4db3e3 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -27,7 +27,7 @@ static enum drm_connector_status msm_dp_bridge_detect(struct drm_bridge *bridge)
 	drm_dbg_dp(dp->drm_dev, "link_ready = %s\n",
 		(dp->link_ready) ? "true" : "false");
 
-	return (dp->link_ready) ? connector_status_connected :
+	return (dp->link_ready && !dp->mst_active) ? connector_status_connected :
 					connector_status_disconnected;
 }
 

-- 
2.34.1

Re: [PATCH 27/45] drm/msm/dp: make the SST bridge disconnected when mst is active

Posted by Dmitry Baryshkov 1 year ago

On Thu, Dec 05, 2024 at 08:31:58PM -0800, Abhinav Kumar wrote:

missing commit message

> Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_drm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
> index 920392b3c688821bccdc66d50fb7052ac3a9a85a..225858c6240512cf2c5ca3b5eb52cf9b7f4db3e3 100644
> --- a/drivers/gpu/drm/msm/dp/dp_drm.c
> +++ b/drivers/gpu/drm/msm/dp/dp_drm.c
> @@ -27,7 +27,7 @@ static enum drm_connector_status msm_dp_bridge_detect(struct drm_bridge *bridge)
>  	drm_dbg_dp(dp->drm_dev, "link_ready = %s\n",
>  		(dp->link_ready) ? "true" : "false");
>  
> -	return (dp->link_ready) ? connector_status_connected :
> +	return (dp->link_ready && !dp->mst_active) ? connector_status_connected :
>  					connector_status_disconnected;
>  }
>  
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry