[Intel-gfx] [PATCH] drm/i915/display: Trigger Modeset at boot for audio codec init

[Kai Vehmanen]

Hey folks,

On Fri, 20 Mar 2020, Shankar, Uma wrote:
> Souza, Jose <jose.souza at intel.com> wrote:
> > On Wed, 2020-03-18 at 17:00 +0530, Uma Shankar wrote:
> > > This patch fixes the same by triggering a modeset at boot.
> > 
> > We had the same issue for PSR, take a look to the fix:
> > commit 33e059a2e4df454359f642f2235af39de9d3e914
> > drm/i915/psr: Force PSR probe only after full initialization
> > 
> > Maybe make this even more generic.
> 
> Yeah this looks to dealing with almost a similar need. Thanks for pointing this out,
> will try to come up with a generalized solution.

btw, there's an additional regression in the posted patch, reported 
by Michael Marley in:

"HDMI/DisplayPort audio does not work initially on boot with Linux 5.6 
(Bisected)"
https://gitlab.freedesktop.org/drm/intel/issues/1363

Br, Kai