Re: [PATCH] drm/i915: Add a DRM property "psr"

Jesse Barnes
2014-03-18T20:05:38Z

On Tue, 18 Mar 2014 12:51:07 -0700
Siva Chandra <sivachandra@chromium.org> wrote:

> This property helps one turn PSR "on" and "off" via xrandr.
> The default value is same as that of the module param i915.enable_psr.
>
> Signed-off-by: Siva Chandra <sivachandra@google.com>
> ---

So are you using this in Chromium for disabling PSR in cases where it
doesn't work? Or to optimize power consumption when the kernel driver
gets it wrong? Or just for debug?

Seems potentially useful, just curious what motivated you guys.

Thanks,
--
Jesse Barnes, Intel Open Source Technology Center