drm/amd/display: Only update dchub if hubbub is available

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>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 75feb4788b6bfb7e70ddf105da14a9c9cc525586..9b37f65f86f5249636f2afe9836d736be0db8a5c 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2509,7 +2509,8 @@ void dcn10_update_pending_status(struct pipe_ctx *pipe_ctx)
 
 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 = {