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From cb0863c2aedf1bcdccfc50b3327967e359ccad6c 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 3935/4131] 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>
---
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 daa4673..075ab29 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;
--
2.7.4
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