From: Samson Tam <samson.tam@xxxxxxx>
[Why]
In cases where number of pipes available is less
than num_opp, there will opp instances that are
null
[How]
Add null check to skip over these opp instances
Fixes: 9e241124fe13 ("drm/amd/display: Update OPP counter from new interface")
Reviewed-by: Alvin Lee <alvin.lee2@xxxxxxx>
Acked-by: Roman Li <roman.li@xxxxxxx>
Signed-off-by: Samson Tam <samson.tam@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++-
1 file changed, 2 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 4f2b9911e6ff..4425d9aea81c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3512,7 +3512,8 @@ static void wait_for_outstanding_hw_updates(struct dc *dc, const struct dc_state
mpcc_inst = hubp->inst;
// MPCC inst is equal to pipe index in practice
for (opp_inst = 0; opp_inst < opp_count; opp_inst++) {
- if (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst]) {
+ if ((dc->res_pool->opps[opp_inst] != NULL) &&
+ (dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst])) {
dc->res_pool->mpc->funcs->wait_for_idle(dc->res_pool->mpc, mpcc_inst);
dc->res_pool->opps[opp_inst]->mpcc_disconnect_pending[mpcc_inst] = false;
break;
--
2.34.1
