On Thu, 2015-04-09 at 11:32 +0200, Daniel Vetter wrote: > On Thu, Apr 09, 2015 at 10:24:24AM +0300, Mika Kahola wrote: > > I did some testing on audio part with HDMI-HDMI and DP-HDMI cables > > connected to my Haswell box. Before applying the patch I tested as a > > reference with the latest -nightly (04-08-2015), 4.0-rc7. Unfortunately, > > I failed to get any audio over HDMI cable. For a reference I tested with > > the very same setup the vanillla kernel from Linus tree 4.0-rc7 and with > > that kernel the audio worked ok. Then I did some GIT bisecting and it > > turned out that the first commit that I failed to get audio working was > > aa2fee4286e43b4784982b17669b02cc99c1ae55. > I rerun the bisecting and this time the result was commit 0a599838737a2527c35e4d94f794aefe59df1781 Merge: 2d846c7 a59d719 Author: Takashi Iwai <tiwai@xxxxxxx> Date: Wed Apr 8 11:29:56 2015 +0200 Merge branch 'for-linus' into for-next Back merge HD-audio quirks to for-next branch, so that we can apply a couple of more quirks. Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> > I don't have this sha1 anywhere. Can you please double-check? > > Also to avoid such issues please always add at least the commit subject > and author, so that I can find it if it's somehow rebased. > -Daniel > > > > > To test this patch audio functionality I checkout the -nightly version > > that works for me and apply the patch and test it. I'll come back with > > the results later on. > > > > I had the module option i915.disable_power_well=0 > > > > The test routine that I used for audio testing was > > speaker-test -c 2 -r 48000 -f S16_LE -t pink --device=plughw:0,3 > > > > On Tue, 2015-04-07 at 15:52 +0200, Daniel Vetter wrote: > > > On Tue, Apr 07, 2015 at 12:29:25PM +0300, Mika Kahola wrote: > > > > Definitely a good idea to check the audio part as well if there is > > > > a doubt that by changing CD clock the audio would fail. I can check > > > > this and I'll get back once I have the results. > > > > > > We force a full modeset, which should result in an interrupt on the audio > > > side, which should result in the audio driver re-reading the current > > > cdclk. If that's no the case it's buggy already. > > > -Daniel > > > > -- > > Mika Kahola, Intel OTC > > > > > > > -- Mika Kahola, Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx