[Intel-gfx] i915: Dealing with 90° rotated display ?
Hans de Goede
hdegoede at redhat.com
Wed Feb 15 14:54:17 UTC 2017
Hi Jani,
As discussed here:
https://bugs.freedesktop.org/show_bug.cgi?id=94894
I've a mini-laptop which uses a phone-screen,
so the native orientation of the screen is portrait,
where as for a clam-shell device one wants it to
be landscape. Ideally there would be a flag somewhere
to tell the i915 driver that the panel is mounted
90° rotated in its bezel and have the i915 driver
apply that rotation on top of whatever rotation
userspace requests.
So question is there already a place (variable) in
the i915 driver where one can set such a rotation
offset to apply on top of what userspace requests ?
If not do you have any idea how feasible adding one
would be and can you give me a few pointers / hints
where to start with such a thing ?
Regards,
Hans
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