linux-kernel - Re: [IMX] [DRM]: suspend/resume support

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Date:   Tue, 18 Jun 2019 11:02:18 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Pintu Agarwal <pintu.ping@...il.com>
Cc:     open list <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Kernelnewbies <kernelnewbies@...nelnewbies.org>,
        linux-pm@...r.kernel.org
Subject: Re: [IMX] [DRM]: suspend/resume support

Hi Pintu,

On Mon, Jun 17, 2019 at 10:50 AM Pintu Agarwal <pintu.ping@...il.com> wrote:
>
> Hi All,
>
> I am trying to implement suspend/resume functionality to to imx-hdmi driver:
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/gpu/drm/imx/dw_hdmi-imx.c?h=v4.9.181

Please test a recent kernel, such as 5.1.11. I recall that last time
you reported an issue with the dw hdmi you were running kernel 3.10
with backported patches from 4.9.

Just tried suspend/resume on a imx6q board and HDMI behaves correctly.