From 4ebf8483112e3f33f7a96b5aa8779d25ad5f71b7 Mon Sep 17 00:00:00 2001 From: Yue Hin Lau Date: Tue, 12 Dec 2017 14:34:30 -0500 Subject: [PATCH] drm/amd/display: check for null before calling is_blanked Signed-off-by: Yue Hin Lau Reviewed-by: Eric Bernstein Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index ab875ea8aba4..35e84ed031de 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -580,7 +580,7 @@ static void program_timing_sync( for (j = 0; j < group_size; j++) { struct pipe_ctx *temp; - if (!pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) { + if (pipe_set[j]->stream_res.tg->funcs->is_blanked && !pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) { if (j == 0) break; @@ -593,7 +593,7 @@ static void program_timing_sync( /* remove any other unblanked pipes as they have already been synced */ for (j = j + 1; j < group_size; j++) { - if (!pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) { + if (pipe_set[j]->stream_res.tg->funcs->is_blanked && !pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) { group_size--; pipe_set[j] = pipe_set[group_size]; j--;