drm/amd/display/dc: drop dm_delay_in_microseconds

Use udelay directly.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-10-11 12:42:30 -04:00 • committed by Dave Airlie
commit 4770b18493
3 changed files with 4 additions and 7 deletions