Question regarding HDMI Audio support on i.MX6 with vanilla kernel

Russell King - ARM Linux linux at armlinux.org.uk
Tue Nov 7 11:19:29 UTC 2017


On Tue, Nov 07, 2017 at 11:16:50AM +0000, Luís Mendes wrote:
> On Tue, Nov 7, 2017 at 10:30 AM, Russell King - ARM Linux <
> linux at armlinux.org.uk> wrote:
> > On Tue, Nov 07, 2017 at 10:15:02AM +0000, Russell King - ARM Linux wrote:
> > > On Tue, Nov 07, 2017 at 10:00:48AM +0000, Luís Mendes wrote:
> > > > an EDID is forced through drm_kms_helper.edid_firmware=
> > edid/ktc_edid.bin,
> > > > because dw_hdmi_connector_get_modes(...) won't get called, causing
> > the
> > > > edid not to be parsed for audio suppport, nor for the HDMI connector
> > > > support. As a result DVI mode will always be used.
> > >
> > > Yes, when using an override EDID, audio probably won't work because the
> > > parsing calls are mis-placed.  I thought that had been fixed.
> >
> > This should fix this particular issue, which is definitely a bug in the
> > driver.  Please test.
> 
> Yes, the issue is fixed with this patch. I am now able to force the EDID
> and the HDMI and Audio sink are properly set. Thanks!

Great news, some progress!  Thanks for testing.

I'll send this for merging.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
According to speedtest.net: 8.21Mbps down 510kbps up


More information about the etnaviv mailing list