drm/amdgpu: fix unnecessary wake up

decrease CPU extra overhead.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
This commit is contained in:
Chunming Zhou 2015-08-13 13:04:06 +08:00 • committed by Alex Deucher
commit 1c8f805af9
2 changed files with 7 additions and 4 deletions