From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner 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 Message-ID: <2524920.mM517gbyb6@phil> References: <20180207163150.16332-1-enric.balletbo@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20180207163150.16332-1-enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Enric Balletbo i Serra Cc: Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , Brian Norris , groeck-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Yakir Yang List-Id: devicetree@vger.kernel.org Am Mittwoch, 7. Februar 2018, 17:31:48 CET schrieb Enric Balletbo i Serra: > From: Yakir Yang > > 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 > Signed-off-by: Enric Balletbo i Serra 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html