Re: [alsa-devel] [PATCH v4 0/3] support DP MST audio

[Takashi Iwai <tiwai@suse.de>]

On Wed, 11 Jan 2017 08:39:13 +0100,
Daniel Vetter wrote:
> 
> On Tue, Jan 10, 2017 at 9:49 AM, Takashi Iwai <tiwai@suse.de> wrote:
> > On Tue, 10 Jan 2017 09:45:31 +0100,
> >> >-----Original Message-----
> >> >From: Takashi Iwai [mailto:tiwai@suse.de]
> >> >Sent: Tuesday, January 10, 2017 4:19 PM
> >> >To: Yang, Libin <libin.yang@intel.com>
> >> >Cc: Daniel Vetter <daniel@ffwll.ch>; intel-gfx <intel-gfx@lists.freedesktop.org>;
> >> >Nikula, Jani <jani.nikula@linux.intel.com>; alsa-devel@alsa-project.org; Lin,
> >> >Mengdong <mengdong.lin@intel.com>
> >> >Subject: Re: [alsa-devel] [PATCH v4 0/3] support DP MST audio
> >> >
> >> >On Mon, 09 Jan 2017 07:22:55 +0100,
> >> >Yang, Libin wrote:
> >> >>
> >> >> Hi Takashi,
> >> >>
> >> >> It seems the patches for DP MST in gfx is not merged into Linus branch.
> >> >>
> >> >> Do we have plan to merge gfx branch manually and review the patches for
> >> >audio? Or we will wait the DP MST patches for i915 merged into Linus branch?
> >> >
> >> >Sorry, this was delayed due to the vacation.
> >> >Now I applied these three patches to topic/hda-dp-mst branch based on 4.10-
> >> >rc2, and it was merged to for-next branch.
> >> >
> >> >  git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git topic/hda-dp-
> >> >mst
> >>
> >> Thanks. These audio patches are based on the i915 dp mst patches. Without
> >> I915 driver patches support, it will make errors.
> >
> > Ah yeah, I forgot it.  So I removed it from for-next branch, but
> > topic/hda-dp-mst branch is kept so that it can be merged to i915
> > tree.
> >
> > Let me know if there is any i915 branch I can pull into sound tree.
> 
> Aw, I didn't know that the depency goes this way round, the dp mst
> patches (I'm not even sure which ones they are) on the i915 are just
> on the general pile. So not anywhere near a place where I can make a
> topic branch.
> 
> I guess what needs to be done now is a cherry-picked list of just the
> patches we need, on top of -rc3, that I can then pull into
> drm-intel.git plus send a pull request for that to Takashi. That means
> the patches are twice in drm-intel.git, but if we cherry-pick
> reference them correctly then that should be all ok and can't really
> be helped.
> 
> Or we just delay the audio side for 4.12, dp mst audio support is 4
> years late anyway, so one more release won'thurt that much ;-)

Well, thinking of the amount of patches, I guess we can do other way
round: basically it's fine to apply Libin's latest patches to drm tree
for 4.11, if it makes things easier.  I don't think we'll have a big
conflict with these changes for others during 4.11 development.  If
any, I can pull some of stable point from drm tree.

Does it work for you?  If yes, feel free to apply these three sound
patches to drm or i915 tree with my ack.

Reviewed-by: Takashi Iwai <tiwai@suse.de>


thanks,

Takashi
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