Commit 808c92df authored by Dmitry Baryshkov's avatar Dmitry Baryshkov
Browse files

drm/msm/dpu: bail from _dpu_core_perf_crtc_update_bus if there are no ICC paths 



Skip bandwidth aggregation and return early if there are no interconnect
paths defined for the DPU device.

Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarAbhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/550195/
Link: https://lore.kernel.org/r/20230730010102.350713-3-dmitry.baryshkov@linaro.org
parent f15de4f6

drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c

+3 −3
Original line number Diff line number Diff line
@@ -217,6 +217,9 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, 
	int i, ret = 0;

	u64 avg_bw;



	if (!kms->num_paths)

		return 0;



	drm_for_each_crtc(tmp_crtc, crtc->dev) {

		if (tmp_crtc->enabled &&

			curr_client_type ==
@@ -234,9 +237,6 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms, 
		}

	}



	if (!kms->num_paths)

		return 0;



	avg_bw = perf.bw_ctl;

	do_div(avg_bw, (kms->num_paths * 1000)); /*Bps_to_icc*/