[PATCH] drm/msm/dp: allow voltage swing / pre emphasis of 3

[Dmitry Baryshkov]

On Mon, 1 Apr 2024 at 23:15, Kuogee Hsieh <quic_khsieh at quicinc.com> wrote:
>
>
> On 4/1/2024 9:25 AM, Kuogee Hsieh wrote:
> >
> > On 2/3/2024 5:47 AM, Dmitry Baryshkov wrote:
> >> Both dp_link_adjust_levels() and dp_ctrl_update_vx_px() limit swing and
> >> pre-emphasis to 2, while the real maximum value for the sum of the
> >> voltage swing and pre-emphasis is 3. Fix the DP code to remove this
> >> limitation.
> >>
> >> Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support")
> >> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> > Reviewed-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
> Tested-by: Kuogee Hsieh <quic_khsieh at quicinc.com>

Have you tested this on any device that actually reaches swing or pre_emph of 3?

-- 
With best wishes
Dmitry