drm/amd/display: Tidy up dm_drm_plane_reset()

Move WARN_ON higher up and in doing so fix brace style.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Andrey Grodzovsky  <andey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2017-10-17 10:16:39 -04:00 • committed by Alex Deucher
commit f922237daa