Re: [PATCH v3 0/4] drm/bridge: ti-sn65dsi86: Support EDID reading

[Sam Ravnborg]

Hi Stephen

On Mon, Nov 02, 2020 at 10:11:40AM -0800, Stephen Boyd wrote:
> This patch series cleans up the DDC code a little bit so that
> it is more efficient time wise and supports grabbing the EDID
> of the eDP panel over the aux channel. I timed this on a board
> I have on my desk and it takes about 20ms to grab the EDID out
> of the panel and make sure it is valid.
> 
> The first two patches seem less controversial so I stuck them at
> the beginning. The third patch does the EDID reading and caches
> it so we don't have to keep grabbing it over and over again. And
> finally the last patch updates the reply field so that short
> reads and nacks over the channel are reflected properly instead of
> treating them as some sort of error that can't be discerned.
> 
> Stephen Boyd (4):
>   drm/bridge: ti-sn65dsi86: Combine register accesses in
>     ti_sn_aux_transfer()
>   drm/bridge: ti-sn65dsi86: Make polling a busy loop
>   drm/bridge: ti-sn65dsi86: Read EDID blob over DDC
>   drm/bridge: ti-sn65dsi86: Update reply on aux failures

All applied to drm-misc-next, thanks,

	Sam