[Bug 16249] HDMI doesn't work on Radeon RS690M

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=16249


Alan <alan at lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |alan at lxorguk.ukuu.org.uk
         Resolution|                            |OBSOLETE




--- Comment #12 from Michal Krenek (Mikos) <m.krenek at gmail.com>  2010-06-22 17:26:39 ---
Alex Deucher: I have tried booting with radeon.audio=0 (and also setting
"options radeon audio=0" in modprobe.conf), but it doesn't seems to work, I
still see "card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]" in aplay
-l output (on the other hand, "[drm] Enabling audio support" line is now
missing in dmesg output, so maybe it really is disabled?).

Anyway I have tried HDMI with radeon.audio=0 and after activating HDMI output
with xrandr, it didn't lock up for the first time (when I tried clone mode) but
TV stayed black and displayed "unknown video format". I have tried several
resolutions without success and when I tried dual screen setup (instead of
clone mode) LVDS finally went also black and lock up. But I could still get
into system over SSH and there is still that "[drm:r600_audio_set_clock]
*ERROR* Unsupported encoder type 0x19" line in dmesg.

This was tested on drm-radeon-testing kernel. Unfortunately I didn't have time
to compile new kernel with that "disable frac fb dividers for rs6xx" patch to
try it out yet.

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