[Intel-gfx] kernel 5.6: baytrail hdmi audio not working

[Greg KH]

On Thu, Apr 02, 2020 at 10:53:36AM -0400, Giacomo Comes wrote:
> On Thu, Apr 02, 2020 at 04:52:03PM +0300, Ville Syrjälä wrote:
> > On Wed, Apr 01, 2020 at 06:53:17PM -0400, Giacomo Comes wrote:
> > > Hi,
> > > on my Intel Compute Stick STCK1 (baytrail hdmi audio) 
> > > sound is not working with the kernel 5.6
> > > 
> > > I have bisected the kernel and I found the commit that introduced the issue:
> > > 
> > > commit 58d124ea2739e1440ddd743d46c470fe724aca9a
> > > Author: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> > > Date:   Thu Oct 31 12:26:04 2019 +0100
> > > 
> > >     drm/i915: Complete crtc hw/uapi split, v6.
> > >     
> > >     Now that we separated everything into uapi and hw, it's
> > >     time to make the split definitive. Remove the union and
> > >     make a copy of the hw state on modeset and fastset.
> > >     
> > >     Color blobs are copied in crtc atomic_check(), right
> > >     before color management is checked.
> > > 
> > > If more information is required please let me know.
> > 
> > Should hopefully be fixed with
> > commit 2bdd4c28baff ("drm/i915/display: Fix mode private_flags
> > comparison at atomic_check")
> > 
> > Stable folks, please pick that up for 5.6.x stable releases.
> 
> I can confirm that the commit indeed solves the problem I have.
> It should go in the stable 5.6.x release ASAP.

Now queued up, thanks.

greg k-h