drm/amd/display: Null check clock source.
authorYongqiang Sun <yongqiang.sun@amd.com>
Wed, 11 Jan 2017 20:52:06 +0000 (15:52 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 26 Sep 2017 21:09:44 +0000 (17:09 -0400)
commit457b74cb3773a1950e49c2d4826d1b295c59bdf1
treef7b0d634c5f4b9ecaacd9affcf9aee2b6421f9bc
parentab2541b67395088b9de8ebf3943ef9ef86bccc41
drm/amd/display: Null check clock source.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c