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| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2017-01-11 15:52:06 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 17:09:44 -0400 |
| commit | 457b74cb3773a1950e49c2d4826d1b295c59bdf1 (patch) | |
| tree | f7b0d634c5f4b9ecaacd9affcf9aee2b6421f9bc | |
| parent | ab2541b67395088b9de8ebf3943ef9ef86bccc41 (diff) | |
| download | linux-stable-457b74cb3773a1950e49c2d4826d1b295c59bdf1.tar.gz linux-stable-457b74cb3773a1950e49c2d4826d1b295c59bdf1.tar.bz2 linux-stable-457b74cb3773a1950e49c2d4826d1b295c59bdf1.zip | |
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>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 55d96656e54b..b0ac94d673c4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -74,7 +74,8 @@ void dp_enable_link_phy( if (pipes[i].stream != NULL && pipes[i].stream->sink != NULL && pipes[i].stream->sink->link == link) { - if (pipes[i].clock_source->id != CLOCK_SOURCE_ID_DP_DTO) { + if (pipes[i].clock_source != NULL && + pipes[i].clock_source->id != CLOCK_SOURCE_ID_DP_DTO) { pipes[i].clock_source = dp_cs; pipes[i].pix_clk_params.requested_pix_clk = pipes[i].stream->public.timing.pix_clk_khz; |