[PATCH 5/5] drm/radeon: properly handle mc_stop/mc_resume on evergreen+

2012-08-15 Thread alexdeuc...@gmail.com
From: Alex Deucher - Stop the displays from accessing the FB - Block CPU access - Turn off MC client access This should fix issues some users have seen, especially with UEFI, when changing the MC FB location that result in hangs or display corruption. Signed-off-by: Alex Deucher --- drivers/g

[PATCH 5/5] drm/radeon: properly handle mc_stop/mc_resume on evergreen+

2012-08-15 Thread alexdeucher
From: Alex Deucher - Stop the displays from accessing the FB - Block CPU access - Turn off MC client access This should fix issues some users have seen, especially with UEFI, when changing the MC FB location that result in hangs or display corruption. Signed-off-by: Alex Deucher --- drivers/g