[PATCH v4 1/4] drm/msm/dp: Fix support of LTTPR initialization

[Dmitry Baryshkov]

On Fri, May 02, 2025 at 04:01:35PM -0700, Jessica Zhang wrote:
> 
> 
> On 5/2/2025 2:54 PM, Dmitry Baryshkov wrote:
> > On Fri, May 02, 2025 at 10:41:41AM -0700, Jessica Zhang wrote:
> > > 
> > > 
> > > On 4/29/2025 5:09 PM, Aleksandrs Vinarskis wrote:
> > > > Initialize LTTPR before msm_dp_panel_read_sink_caps, as DPTX shall
> > > > (re)read DPRX caps after LTTPR detection, as required by DP 2.1,
> > > > Section 3.6.7.6.1.
> > > > 
> > > > Fixes: 72d0af4accd9 ("drm/msm/dp: Add support for LTTPR handling")
> > > > 
> > > > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> > > > Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis at gmail.com>
> > > > Tested-by: Johan Hovold <johan+linaro at kernel.org>
> > > > Tested-by: Rob Clark <robdclark at gmail.com>
> > > 
> > > Hi Aleksandrs,
> > > 
> > > For this patch and the rest of the series:
> > > 
> > > Tested-by: Jessica Zhang <quic_jesszhan at quicinc.com> # SA8775P
> > 
> > Were you testing in a setup with LTTPRs?
> 
> Hi Dmitry,
> 
> No, I have a setup with MST so I re-verified SST and MST with these changes.

Ack, thank you. I was hoping that you have some interesting dock setup.

> 
> Thanks,
> 
> Jessica Zhang
> 
> > 
> 

-- 
With best wishes
Dmitry