From Fedora Project Wiki
Description
This test case tests whether display rotation work successfully with the radeon driver. You must be using a card supported by the radeon video driver.
Setup
- Ensure the nomodeset and radeon.modeset=0 kernel parameters are not set in your bootloader configuration
- You can see your current kernel options by running
cat /proc/cmdline
- You can see your current kernel options by running
- Ensure the file
/etc/X11/xorg.conf
does not exist, or is a valid file that uses the radeon driver - Shut your system down entirely, then start it up again
- If using a live image to test, ignore the above steps and simply boot the system from the live image with default options
How to test
- Run the GNOME display configuration tool using
gnome-control-center display
. Try rotating the primary display - change the Rotation drop down and hit apply - Try and change back to the normal orientation
Expected Results
- The rotation should apply correctly and the rotated screen should display with no artifacts. Returning to the normal orientation should also work smoothly with no artifacts