From: Yue Hin Lau <Yuehin.Lau@amd.com>
Date: Thu, 26 Oct 2017 16:30:44 -0400
Subject: drm/amd/display: Only update dchub if hubbub is available
Git-commit: 8a4cf458a84dfd3ed87ed69c0fdf7b39f20e1c06
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2511,7 +2511,8 @@ void dcn10_update_pending_status(struct
void dcn10_update_dchub(struct dce_hwseq *hws, struct dchub_init_data *dh_data)
{
- hubbub1_update_dchub(hws->ctx->dc->res_pool->hubbub, dh_data);
+ if (hws->ctx->dc->res_pool->hubbub != NULL)
+ hubbub1_update_dchub(hws->ctx->dc->res_pool->hubbub, dh_data);
}
static const struct hw_sequencer_funcs dcn10_funcs = {