On 9 June 2016 at 15:32, João Paulo Rechi Vita <jprvita@xxxxxxxxx> wrote: > On 9 June 2016 at 15:26, Deucher, Alexander <Alexander.Deucher@xxxxxxx> wrote: >>> -----Original Message----- >>> From: João Paulo Rechi Vita [mailto:jprvita@xxxxxxxxx] >>> Sent: Thursday, June 09, 2016 3:14 PM >>> To: Alex Deucher; maruthi.srinivas.b@xxxxxxxxx >>> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx; alsa-devel@xxxxxxxxxxxxxxxx; Deucher, >>> Alexander; Bayyavarapu, Maruthi; João Paulo Rechi Vita; >>> linux@xxxxxxxxxxxx >>> Subject: AMD Carrizo HDMI audio >>> >>> Hello Alex and Maruthi, >>> >>> I'm trying to get HDMI audio working on a AMD CARRIZO laptop, which I >>> believe need the ACP changes which got merged into Linux 4.6. But >>> testing the v4.6 tag, amd_acp_hw_init() returns -ENODEV, because it >>> succeeds the "if (acp_mode != ACP_MODE_I2S)" test in acp_hw.c. Does >>> this mean this chip does not uses ACP, or is there anything else >>> missing? >> >> Your system does not use ACP. It uses HDA audio. You'll need to use the new DAL display code which is not yet upstream for HDMI or DP audio support. You can find dal support on my freedesktop tree. E.g., >> https://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-4.7-wip-dal >> > > Thanks for such a quick answer! So that means no audio over HDMI/DP > without DAL, right? Isn't any legacy code that can take care of that? > I'll give it a try on your branch and report back if I have any > problems. > Still no sound with the branch you've pointed. Logs can be found here in case you're interested: https://gist.github.com/jprvita/7966532c7a4b67c74621c9374e20a418 -- João Paulo Rechi Vita http://about.me/jprvita _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
