On Fri, 2018-07-20 at 10:38 -0700, Rodrigo Vivi wrote:
> On Thu, Jul 19, 2018 at 06:52:00PM -0700, Dhinakaran Pandiyan wrote:
> >
> > On Thu, 2018-07-19 at 17:31 -0700, Rodrigo Vivi wrote:
> > >
> > > First of all don't try to read dpcd if PSR is not even supported.
> > >
> > > But also, if read
On Thu, Jul 19, 2018 at 06:52:00PM -0700, Dhinakaran Pandiyan wrote:
> On Thu, 2018-07-19 at 17:31 -0700, Rodrigo Vivi wrote:
> > First of all don't try to read dpcd if PSR is not even supported.
> >
> > But also, if read failed return -EIO instead of reporting via a
> > backchannel.
> >
> > v2:
On Thu, 2018-07-19 at 17:31 -0700, Rodrigo Vivi wrote:
> First of all don't try to read dpcd if PSR is not even supported.
>
> But also, if read failed return -EIO instead of reporting via a
> backchannel.
>
> v2: fix dev_priv: At this level m->private is the connector. (CI/DK)
> don't conver
First of all don't try to read dpcd if PSR is not even supported.
But also, if read failed return -EIO instead of reporting via a
backchannel.
v2: fix dev_priv: At this level m->private is the connector. (CI/DK)
don't convert dpcd read errors to EIO. (DK)
Fixes: 5b7b30864d1d ("drm/i915/psr:
First of all don't try to read dpcd if PSR is not even supported.
But also, if read failed return -EIO instead of reporting via a
backchannel.
Fixes: 5b7b30864d1d ("drm/i915/psr: Split sink status into a separate debugfs
node")
Cc: Chris Wilson
Cc: Dhinakaran Pandiyan
Cc: José Roberto de Souza
First of all don't try to read dpcd if PSR is not even supported.
But also, if read failed return -EIO instead of reporting via a
backchannel.
Fixes: 5b7b30864d1d ("drm/i915/psr: Split sink status into a separate debugfs
node")
Cc: Chris Wilson
Cc: Dhinakaran Pandiyan
Cc: José Roberto de Souza
