Radeon monitor + hdmi TV regression between drm-core-next and drm-fixes

[Alex Deucher]

On Sun, Nov 4, 2012 at 10:27 AM, Andy Furniss <andyqos at ukfsn.org> wrote:
> For the last 2 years when running a DVI 60Hz monitor with a radeon HD4890
> and a (native 50Hz) HDMI TV I've been able to boot/startx with the TV off
> and then turn TV on and -
>
> xrandr --output DVI-0 --auto
>
> to bring up the the TV and get a clone of monitor.
>
> This still works with drm-core-next but not with drm-fixes (todays or from a
> few days ago).
>
> With df I now loose the monitor with signal out of range when doing above,
> the TV output is OK. To get the monitor back I need to turn off TV, then
> off/auto the monitor.
>
> xrandr --output DVI-0 --off
> xrandr --output DVI-1 --off
> xrandr --output DVI-1 --auto
>
> The output from xrandr while the monitor is showing signal out of range
> looks normal.
>
> If I boot with the TV on it works OK.

Can you bisect?

Alex