[PATCH v2 1/4] drm: bridge: dw_mipi_dsi: access registers via a regmap
Adrian Ratiu
adrian.ratiu at collabora.com
Wed Nov 13 16:35:30 UTC 2019
On Wed, 13 Nov 2019, Emil Velikov <emil.l.velikov at gmail.com>
wrote:
> On Wed, 6 Nov 2019 at 16:30, Adrian Ratiu
> <adrian.ratiu at collabora.com> wrote:
>>
>> Convert the common bridge code and the two rockchip & stm
>> drivers which currently use it to the regmap API in
>> anticipation for further changes to make it more generic and
>> add older DSI host controller support as found on i.mx6 based
>> devices.
>>
>> The regmap becomes an internal state of the bridge. No
>> functional changes other than requiring the platform drivers to
>> use the pre-configured regmap supplied by the bridge after its
>> probe() call instead of ioremp'ing the registers themselves.
>>
>> In subsequent commits the bridge will become able to detect the
>> DSI host core version and init the regmap with different
>> register layouts. The platform drivers will continue to use the
>> regmap without modifications or worrying about the specific
>> layout in use (in other words the layout is abstracted away via
>> the regmap).
>>
>> Suggested-by: Boris Brezillon <boris.brezillon at collabora.com>
>> Reviewed-by: Neil Armstrong <narmstrong at baylibre.com>
>> Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>
>
> I should have been clearer earlier - I didn't quite review the
> patch. Is is now though. Reviewed-by: Emil Velikov
> <emil.velikov at collabora.com>
Sorry about that, I got confused and thought you reviewed it all.
>
> Admittedly a couple of nitpicks (DRIVER_NAME, zero initialize of
> val) could have been left out. It's not a big deal, there's no
> need to polish those.
I'll address them in v3 as well as updating your mail address.
Thanks for reviewing!
>
> -Emil
>
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