[PATCH 0/2] amdgpu: HDMI Stereo 3D support

[Daniel Vetter]

On Thu, Jan 19, 2017 at 10:10:21AM -0500, Alex Deucher wrote:
> On Wed, Jan 18, 2017 at 10:34 AM, Jeff Smith <whydoubt at yahoo.com> wrote:
> > Hello all,
> >
> > This code is very raw at this point, but wanted to get this out there
> > for feedback.
> >
> > This uses codepaths very close to those used for HDMI audio support.
> > The driver currently has this disabled, so I needed to re-enable it.
> > Turning stereo 3D on without turning audio on would require a bit of
> > additional condition handling.
> >
> > I suspect there are some non-stereo modes that will break with the
> > code in its current state, such as modes that require double-scan.
> >
> 
> Thanks for the patches.  We are in the process of transitioning to new
> updated modesetting code (DC), so I would suggest working against that
> rather than the existing code.  You can find the latest DC code on the
> branch below.  See the display directory in drivers/gpu/drm/amd.
> https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-4.9

Given that DAL is still a bit away from getting merged I'm not sure it's a
good idea to block new features from outsiders on it landing ... That
means AMD will need to port this, but that's part of the price to pay for
a wholesale rewrite of the display driver.
-Daniel

> 
> Alex
> 
> 
> > Regards,
> > Jeff
> >
> >
> > Jeff Smith (2):
> >   amdgpu: Stereo 3D support requires enabling audio
> >   amdgpu: Add stereo 3D support
> >
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 15 +++--
> >  drivers/gpu/drm/amd/amdgpu/atombios_crtc.c     | 27 ++++----
> >  drivers/gpu/drm/amd/amdgpu/atombios_encoders.c |  2 +-
> >  drivers/gpu/drm/amd/amdgpu/dce_v11_0.c         | 86 ++++++++++++++++++++++++--
> >  4 files changed, 106 insertions(+), 24 deletions(-)
> >
> > --
> > 2.9.3
> >
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch