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

[Doug Anderson]

Hi,

On Sat, Feb 3, 2024 at 5:47 AM Dmitry Baryshkov
<dmitry.baryshkov at linaro.org> 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>
> ---
>  drivers/gpu/drm/msm/dp/dp_ctrl.c |  6 +++---
>  drivers/gpu/drm/msm/dp/dp_link.c | 22 +++++++++++-----------
>  drivers/gpu/drm/msm/dp/dp_link.h | 14 +-------------
>  3 files changed, 15 insertions(+), 27 deletions(-)

What ever happened with this patch? It seemed important so I've been
trying to check back on it, but it seems to still be in limbo. I was
assuming that (maybe?) Abhinav would check things against the hardware
documentation and give it a Reviewed-by and then it would land...

-Doug