Comment # 5 on bug 111667 from Mika Kahola

Created attachment 145430 [details]
gem_render_copy --run-subtest  y-tiled-ccs-to-linear

Unfortunately, the rendercopy patches didn't help in case of CCS. The attatched
dmesg is an example of the outcome of IGT test
gem_render_copy@y-tiled-ccs-to-linear.

I ran the test with my IGT tree 

https://github.com/mkahola/igt.git e2e_compression