From: Heiko Stuebner <heiko@sntech.de>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Brian Norris <briannorris@chromium.org>,
groeck@chromium.org, devicetree@vger.kernel.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
Yakir Yang <ykk@rock-chips.com>
Subject: Re: [PATCH 1/3] arm64: dts: rockchip: introduce pclk_vio_grf in eDP device node
Date: Fri, 09 Feb 2018 10:45:03 +0100 [thread overview]
Message-ID: <2524920.mM517gbyb6@phil> (raw)
In-Reply-To: <20180207163150.16332-1-enric.balletbo@collabora.com>
Am Mittwoch, 7. Februar 2018, 17:31:48 CET schrieb Enric Balletbo i Serra:
> From: Yakir Yang <ykk@rock-chips.com>
>
> The pclk_vio_grf supply power for VIO GRF IOs, if it is disabled,
> driver would failed to operate the VIO GRF registers.
>
> The clock is optional but one of the side effects of don't have this clk
> is that the Samsung Chromebook Plus fails to recover display after a
> suspend/resume with following errors:
>
> rockchip-dp ff970000.edp: Input stream clock not detected.
> rockchip-dp ff970000.edp: Timeout of video streamclk ok
> rockchip-dp ff970000.edp: unable to config video
>
> Signed-off-by: Yakir Yang <ykk@rock-chips.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
as you said in IRC that his should also fix the failures when rockchip-drm
is build as module, I've applied this patch as fix for 4.16
Thanks
Heiko
prev parent reply other threads:[~2018-02-09 9:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-07 16:31 [PATCH 1/3] arm64: dts: rockchip: introduce pclk_vio_grf in eDP device node Enric Balletbo i Serra
2018-02-07 16:31 ` [PATCH 2/3] arm64: dts: rockchip: add cdn-dp node for rk3399 Enric Balletbo i Serra
2018-02-10 16:16 ` Heiko Stuebner
2018-02-13 10:42 ` Enric Balletbo i Serra
2018-02-13 11:36 ` Enric Balletbo Serra
2018-02-13 11:52 ` Heiko Stübner
2018-02-07 16:31 ` [PATCH 3/3] arm64: dts: rockchip: enable DP for gru Enric Balletbo i Serra
2018-02-09 9:45 ` Heiko Stuebner [this message]
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