[Intel-gfx] [PATCH] drm/i915/dp: Fix DP MST error after unplugging TypeC cable

[Ville Syrjälä]

On Wed, Sep 25, 2019 at 06:05:42AM +0530, srinivasan.s at intel.com wrote:
> From: Srinivasan S <srinivasan.s at intel.com>
> 
> This patch avoids DP MST payload error message in dmesg, as it is trying
> to update the payload to the disconnected DP MST device. After DP MST
> device is disconnected we should not be updating the payload and
> hence remove the error.
> 
> v2: Removed the connector status check and converted from error to debug.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111632
> Signed-off-by: Srinivasan S <srinivasan.s at intel.com>

Pushed to dinq. Thanks for the patch.

PS. Next time please use --in-reply-to when sending an updated patch
so that it's easier to keep track of the discussion.

> ---
>  drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index eeeb3f933aa4..497a6ae0d2c0 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -215,7 +215,7 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder,
>  
>  	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr);
>  	if (ret) {
> -		DRM_ERROR("failed to update payload %d\n", ret);
> +		DRM_DEBUG_KMS("failed to update payload %d\n", ret);
>  	}
>  	if (old_crtc_state->has_audio)
>  		intel_audio_codec_disable(encoder,
> -- 
> 2.7.4

-- 
Ville Syrjälä
Intel