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SubjectRe: [PATCH v2 1/4] drm: bridge: dw_mipi_dsi: access registers via a regmap
On Wed, 6 Nov 2019 at 16:30, Adrian Ratiu <> 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 <>
> Reviewed-by: Neil Armstrong <>
> Reviewed-by: Emil Velikov <>

I should have been clearer earlier - I didn't quite review the patch.
Is is now though.
Reviewed-by: Emil Velikov <>

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.


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