Re: [PATCH 0/6] drm/panel: atna33xc20: Fix the Samsung ATNA33XC20 panel

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On Wed, Jul 28, 2021 at 09:45:51AM -0700, Douglas Anderson wrote:
> 
> The overall goal of this series is to make the Samsung ATNA33XC20
> panel work more properly. As part of this, we have:
> * A bugfix for the recently abstracted DP AUX backlight code.
> * A bugfix for the sequencing of the ti-sn65dsi86 bridge driver.
> * Removal of the panel from panel-simple and moving it to its own
>   driver.
> 
> If the bugfixes look good but the rest of the series needs work then
> those could land early on their own. There's no real compile time
> dependency on the bugfixes, things are just glitchier without them.
> 
> NOTE: this series will (slightly) conflict with my other recent series
> making eDP panels probable [1]. The conflict is easy to resolve and
> I'm happy to repost either once the other lands. It should be noted
> that the fact that the Samsung ATNA33XC20 needs its own panel driver
> means that it _can't_ handled as a probed driver. I think this is
> fine, at least for now. I don't think it would be easy to make a
> unified design with this panel and other panels given that it's an
> AMOLED panel and has a whole bunch of different components on board.
> 
> [1] https://lore.kernel.org/r/20210723002146.1962910-1-dianders@xxxxxxxxxxxx/
> 
> 
> Douglas Anderson (6):

Hi Doug,
Thanks for the patchset, it all looks to me.


For all 6:

Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>

Sean

>   drm/dp: Don't zero PWMGEN_BIT_COUNT when driver_pwm_freq_hz not
>     specified
>   drm/bridge: ti-sn65dsi86: Fix power off sequence
>   drm/bridge: ti-sn65dsi86: Add some 100 us delays
>   Revert "drm/panel-simple: Add Samsung ATNA33XC20"
>   Revert "drm/panel-simple: Support for delays between GPIO & regulator"
>   drm/panel: atna33xc20: Introduce the Samsung ATNA33XC20 panel
> 
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c         |  17 +-
>  drivers/gpu/drm/drm_dp_helper.c               |  10 +-
>  drivers/gpu/drm/panel/Kconfig                 |  12 +
>  drivers/gpu/drm/panel/Makefile                |   1 +
>  .../gpu/drm/panel/panel-samsung-atna33xc20.c  | 366 ++++++++++++++++++
>  drivers/gpu/drm/panel/panel-simple.c          |  61 ---
>  6 files changed, 398 insertions(+), 69 deletions(-)
>  create mode 100644 drivers/gpu/drm/panel/panel-samsung-atna33xc20.c
> 
> -- 
> 2.32.0.432.gabb21c7263-goog
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS



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