From: Dmitry Baryshkov Date: Sun, 30 Jul 2023 01:00:54 +0000 (+0300) Subject: drm/msm/dpu: bail from _dpu_core_perf_crtc_update_bus if there are no ICC paths X-Git-Tag: v6.6-rc1~136^2~2^2~51 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=808c92df654a55251da7d85734f8a8842b1e465d;p=thirdparty%2Fkernel%2Flinux.git 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: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/550195/ Link: https://lore.kernel.org/r/20230730010102.350713-3-dmitry.baryshkov@linaro.org --- 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 1d9d83d7b99ed..3dbd73035a117 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*/