summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorHarry Wentland <harry.wentland@amd.com>2018-02-13 11:07:43 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-03-07 16:27:01 -0500
commit3573d598b800f4979c78b829af3280af3d412ea3 (patch)
tree0478fc94ac1ccf25328828705d212620aa60634a /drivers/gpu
parent1bced75f4ab04bec55aecb57d99435dc6d0ae5a0 (diff)
drm/amd/display: Don't blow up if TG is NULL in dce110_vblank_set
Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Roman Li <Roman.Li@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
index f7e40b292dfb..d3e1923b01a8 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
@@ -217,7 +217,7 @@ bool dce110_vblank_set(
core_dc->current_state->res_ctx.pipe_ctx[pipe_offset].stream_res.tg;
if (enable) {
- if (!tg->funcs->arm_vert_intr(tg, 2)) {
+ if (!tg || !tg->funcs->arm_vert_intr(tg, 2)) {
DC_ERROR("Failed to get VBLANK!\n");
return false;
}