linux-kernel - Re: [PATCH v6 2/7] drm/rockchip: vop: move write

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Message-ID: <2941261.MXxzaYlBrM@phil>
Date:   Thu, 27 Jul 2017 00:46:59 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Mark Yao <mark.yao@...k-chips.com>
Cc:     David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 2/7] drm/rockchip: vop: move write_relaxed flags to vop register

Am Mittwoch, 26. Juli 2017, 14:19:12 CEST schrieb Mark Yao:
> Since the drm atomic framework, only a small part of the vop
> register needs sync write, Currently seems only following registers
> need sync write:
>    cfg_done, standby and interrupt related register.
> 
> All ctrl registers are using the sync write method that is
> inefficient, hardcode the write_relaxed flags to vop registers,
> then can only do synchronize write for those actual needed register.
> 
> Signed-off-by: Mark Yao <mark.yao@...k-chips.com>

on rk3036 and rk3288
Tested-by: Heiko Stuebner <heiko@...ech.de>


Heiko