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authorYue Hin Lau <Yuehin.Lau@amd.com>2017-12-12 14:34:30 -0500
committerAlex Deucher <alexander.deucher@amd.com>2017-12-20 14:48:41 -0500
commit4ebf8483112e3f33f7a96b5aa8779d25ad5f71b7 (patch)
tree4ad9bb2bc665e13237106c52fa094e58d0387b85 /drivers/gpu/drm/amd/display
parentb5f96fe1ed89bb8420f6648e7187d90fad704ef3 (diff)
drm/amd/display: check for null before calling is_blanked
Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com> Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c4
1 files 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--;