Commit d4444330 authored by Sung Joon Kim's avatar Sung Joon Kim Committed by Alex Deucher

drm/amd/display: Add pointer check before function call

Call to immediate_disable_crtc was not checked before calling, exposing
a potential null pointer hang.
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: default avatarCharlene Liu <charlene.liu@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarSung Joon Kim <sungkim@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 4b4f5853
......@@ -128,7 +128,9 @@ static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *
if (stream_enc && stream_enc->funcs->disable_fifo)
pipe->stream_res.stream_enc->funcs->disable_fifo(stream_enc);
if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc)
pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
reset_sync_context_for_pipe(dc, context, i);
} else {
pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
......
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