[Freedreno] [PATCH v5 02/10] drm/msm/dpu: bail from _dpu_core_perf_crtc_update_bus if there are no ICC paths

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Sun Jul 30 01:00:54 UTC 2023


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

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index 1d9d83d7b99e..3dbd73035a11 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -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*/
 
-- 
2.39.2



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