On 4 July 2017 at 12:12, Chris Wilson <[email protected]> wrote:
>
> Quoting Mattias Nyman (2017-07-04 10:50:00)
> > Hey!
> > I am unable to rotate my screen to left or right using Skylake Integrated
> > Graphics with the
> > Option TearFree true
> > in the /usr/share/X11/xorg.conf.d/20-intel.conf
> >
> > The screen turns black for a second, before returning to its previous
> > orientation.
> >
> > Terminal output:
> > $ xrandr --output HDMI1 --rotate left
> > xrandr: Configure crtc 0 failed
> >
> > Simply turning the TearFree option to false enables the screen to be rotated
> > again.
> >
> > I have installed the recommended 2017Q1 Intel Graphics Stack.
> >
> > I have described the issue on the linuxgraphics forum where I also included
> > the
> > full 20-intel.conf, lspci -v output and the Xorg.0.log
> > https://01.org/linuxgraphics/forum/update-tool-support-forum/
> > tearfree-and-screen-rotation
> >
> > Do let me know if I have missed something simple to get this working, or if
> > I
> > can provide any more logs our other output to help with the issue.
>
> commit c62177ec321e009a1abcdc969dd808fb37136013
> Author: Chris Wilson <[email protected]>
> Date: Wed Apr 20 21:31:46 2016 +0100
>
> sna: Force the shadow buffer even after we fail to set the crtc for
> TearFree
>
> As the first choice of orientation and tiling may be invalid, e.g.
> left/right rotation on Skylake, we need to force the second pass here to
> try and an alternate non-native rotation.
>
Can confirm this got it working. Installed from the latest commit on
the master branch after verifying the changes in the mentioned commit
were in there.
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