Re: [IMX] [DRM]: suspend/resume support

From: Fabio Estevam
Date: Wed Jun 19 2019 - 11:16:46 EST

On Wed, Jun 19, 2019 at 12:05 PM Pintu Agarwal <> wrote:

> Okay. I will surely try it on another IMX6 fresh board.
> With 5.1.11 you mean the kernel from mainline
> Or, is there a separate kernel repo for imx6. If yes, please let me know.

5.1.11 from

> > Then you can test suspend/resume and see if HDMI hangs or not.
> >
> By this suspend/resume, you mean "suspend-to-ram" or "suspend-to-disk" ?

I tested with "echo mem > /sys/power/state"

> This scenario is not with suspend/resume.
> This hang is, when we make hdmi as a loadable module (.ko) and trying
> to install it after resume.
> In this case, suspend/resume will not come into picture. Not sure why
> it still hangs.
> Do you have any clue for this scenario?

I haven't tried this one.

Please test it with 5.1.11 and if it fails, please report.