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

[Ville Syrjälä]

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.

-- 
Ville Syrjälä
Intel