Re: [PATCH 1/3] drm/rockchip: lvds: add rk3568 support
From: Sverdlin, Alexander
Date: Fri Jan 20 2023 - 04:32:34 EST
Hello Sascha,
On Fri, 2023-01-20 at 10:16 +0100, Sascha Hauer wrote:
> > + /* Enable LVDS mode */
> > + return regmap_update_bits(lvds->grf, RK3568_GRF_VO_CON2,
> > + RK3568_LVDS0_MODE_EN(1),
> > + RK3568_LVDS0_MODE_EN(1));
>
> Isn't this the same as:
>
> regmap_write(lvds->grf, RK3568_GRF_VO_CON2,
> RK3568_LVDS0_MODE_EN(1));
>
> Unless I am missing something I find a plain regmap_write() easier to
> read.
the former is setting a bit in a RMW operation, the latter is a plain
write, isn't it?
--
Alexander Sverdlin
Siemens AG
www.siemens.com