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

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Thanks a lot Manasi, Ville, Mika, Jani, Lakshmi, for all your time in reviewing this patch.

Best Regards,

> -----Original Message-----
> From: dri-devel <dri-devel-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Ville
> Syrjälä
> Sent: Tuesday, October 1, 2019 5:31 PM
> To: S, Srinivasan <srinivasan.s@xxxxxxxxx>
> Cc: Navare, Manasi D <manasi.d.navare@xxxxxxxxx>; intel-
> gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; Vudum,
> Lakshminarayana <lakshminarayana.vudum@xxxxxxxxx>
> Subject: Re: [PATCH] drm/i915/dp: Fix DP MST error after unplugging TypeC
> cable
> 
> On Wed, Sep 25, 2019 at 06:05:42AM +0530, srinivasan.s@xxxxxxxxx wrote:
> > From: Srinivasan S <srinivasan.s@xxxxxxxxx>
> >
> > 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@xxxxxxxxx>
> 
> 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
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