From 7a84077304e84d0254d505a76cc40971cb74c2de Mon Sep 17 00:00:00 2001 From: Roman Li <Roman.Li@amd.com> Date: Wed, 14 Mar 2018 18:02:07 -0400 Subject: [PATCH] drm/amd/display: add assert in enable FBC Adding assert to prevent possible null deref warning. Only can happen under abnormal circumstances. Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index daa4673675f1..075ab291cdc7 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1801,6 +1801,9 @@ static bool should_enable_fbc(struct dc *dc, } } + /* Pipe context should be found */ + ASSERT(pipe_ctx); + /* Only supports eDP */ if (pipe_ctx->stream->sink->link->connector_signal != SIGNAL_TYPE_EDP) return false; -- GitLab