From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
Abhinav Kumar <quic_abhinavk@quicinc.com>,
Marijn Suijten <marijn.suijten@somainline.org>
Cc: Stephen Boyd <swboyd@chromium.org>,
David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
Bjorn Andersson <andersson@kernel.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org
Subject: [PATCH v2 03/14] drm/msm/dpu: core_perf: bail earlier if there are no ICC paths
Date: Tue, 4 Jul 2023 18:03:43 +0300 [thread overview]
Message-ID: <20230704150354.159882-4-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20230704150354.159882-1-dmitry.baryshkov@linaro.org>
Skip bandwidth aggregation and return early if there are no interconnect
paths defined for the DPU device.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 4 ++--
1 file changed, 2 insertions(+), 2 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 333dcfe57800..05d340aa18c5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -237,11 +237,11 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
int i, ret = 0;
u64 avg_bw;
- dpu_core_perf_aggregate(crtc->dev, dpu_crtc_get_client_type(crtc), &perf);
-
if (!kms->num_paths)
return 0;
+ dpu_core_perf_aggregate(crtc->dev, dpu_crtc_get_client_type(crtc), &perf);
+
avg_bw = perf.bw_ctl;
do_div(avg_bw, (kms->num_paths * 1000)); /*Bps_to_icc*/
--
2.39.2
next prev parent reply other threads:[~2023-07-04 15:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-04 15:03 [PATCH v2 00/14] drm/msm/dpu: cleanup dpu_core_perf module Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 01/14] drm/msm/dpu: drop enum dpu_core_perf_data_bus_id Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 02/14] drm/msm/dpu: core_perf: extract bandwidth aggregation function Dmitry Baryshkov
2023-07-04 15:03 ` Dmitry Baryshkov [this message]
2023-07-04 15:03 ` [PATCH v2 04/14] drm/msm/dpu: drop separate dpu_core_perf_tune overrides Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 05/14] drm/msm/dpu: handle perf mode in _dpu_core_perf_crtc_update_bus() Dmitry Baryshkov
2023-07-04 15:55 ` Abhinav Kumar
2023-07-04 17:30 ` Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 06/14] drm/msm/dpu: rework core_perf debugfs overrides Dmitry Baryshkov
2023-07-04 15:54 ` Abhinav Kumar
2023-07-04 15:03 ` [PATCH v2 07/14] drm/msm/dpu: drop dpu_core_perf_params::max_per_pipe_ib Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 08/14] drm/msm/dpu: rework indentation in dpu_core_perf Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 09/14] drm/msm/dpu: drop the dpu_core_perf_crtc_update()'s stop_req param Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 10/14] drm/msm/dpu: use dpu_perf_cfg in DPU core_perf code Dmitry Baryshkov
2023-07-06 0:13 ` kernel test robot
2023-07-04 15:03 ` [PATCH v2 11/14] drm/msm/dpu: remove unused fields from struct dpu_core_perf Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 12/14] drm/msm/dpu: core_perf: remove extra clk_round_rate() call Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 13/14] drm/msm/dpu: move max clock decision to dpu_kms Dmitry Baryshkov
2023-07-04 15:03 ` [PATCH v2 14/14] drm/msm/dpu: drop dpu_core_perf_destroy() Dmitry Baryshkov
2023-07-04 16:00 ` Abhinav Kumar
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