On Mon, Apr 09, 2018 at 03:11:38PM -0700, Kumar, Abhay wrote: > > > On 4/9/2018 3:33 AM, Ville Syrjälä wrote: > > On Fri, Apr 06, 2018 at 04:47:08PM +0300, Jani Nikula wrote: > >> On Thu, 05 Apr 2018, Abhay Kumar <abhay.kumar@xxxxxxxxx> wrote: > >>> In glk when device boots with 1366x768 panel, HDA codec doesn't comeup. > >>> This result in no audio forever as cdclk is < 96Mhz. > >>> This chagne will ensure CD clock to be twice of BCLK. > >> In short, we can't poke around CDCLK like this. It needs a full modeset, > >> and it's non-trivial from the path you're calling this from. > > I tried to cobble something together quickly: > > git://github.com/vsyrjala/linux.git glk_cnl_cdclk_audio > > > > Not tested at all, and I have no idea if my assumptions about > > snd_hda_intel actually hold. > Hi Ville, > > Tried your patch but as soon as it enters "glk_force_audio_cdclk" > the device locks up and reboots. waited for 30-40 times and it always > reboot at same place. > It never reaches Chrome OS login screen. That likely means my assumptions about snd_hda_intel weren't true. So probably we'll need to perform some surgery on snd_hda_intel as well. -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
