From 8459f633b65a81979b9b233ed0a91a9fdc98b7bd Mon Sep 17 00:00:00 2001 From: Eric Yang Date: Tue, 3 Oct 2017 18:15:51 -0400 Subject: [PATCH] drm/amd/display: Handle case when stream not found in set_dpms When validate with context fail to add stream to the context, we have a case where set_dpms won't be able to find the stream that need to be disabled. Signed-off-by: Eric Yang Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 4cdb855ef855..fe66c6a21bc3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -363,7 +363,7 @@ void set_dpms( struct dc_stream_state *stream, bool dpms_off) { - struct pipe_ctx *pipe_ctx; + struct pipe_ctx *pipe_ctx = NULL; int i; for (i = 0; i < MAX_PIPES; i++) { @@ -373,6 +373,11 @@ void set_dpms( } } + if (!pipe_ctx) { + ASSERT(0); + return; + } + if (stream->dpms_off != dpms_off) { stream->dpms_off = dpms_off; if (dpms_off) -- 2.30.2