Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/msm/dpu: extract bandwidth aggregation function
In preparation to refactoring the dpu_core_perf debugfs interface,
extract the bandwidth aggregation function from
_dpu_core_perf_crtc_update_bus().
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/636058/
Link: https://lore.kernel.org/r/20250209-dpu-perf-rework-v5-1-87e936cf3004@linaro.org
+26
-21
+26
-21
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+26
-21
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
···
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return 0;
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}
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+
static void dpu_core_perf_aggregate(struct drm_device *ddev,
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enum dpu_crtc_client_type curr_client_type,
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struct dpu_core_perf_params *perf)
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{
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struct dpu_crtc_state *dpu_cstate;
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struct drm_crtc *tmp_crtc;
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+
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drm_for_each_crtc(tmp_crtc, ddev) {
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if (tmp_crtc->enabled &&
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curr_client_type == dpu_crtc_get_client_type(tmp_crtc)) {
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dpu_cstate = to_dpu_crtc_state(tmp_crtc->state);
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perf->max_per_pipe_ib = max(perf->max_per_pipe_ib,
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dpu_cstate->new_perf.max_per_pipe_ib);
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perf->bw_ctl += dpu_cstate->new_perf.bw_ctl;
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+
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DRM_DEBUG_ATOMIC("crtc=%d bw=%llu\n",
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tmp_crtc->base.id,
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dpu_cstate->new_perf.bw_ctl);
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}
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}
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}
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+
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static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
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-
struct drm_crtc *crtc)
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+
struct drm_crtc *crtc)
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{
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struct dpu_core_perf_params perf = { 0 };
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-
enum dpu_crtc_client_type curr_client_type
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= dpu_crtc_get_client_type(crtc);
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struct drm_crtc *tmp_crtc;
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struct dpu_crtc_state *dpu_cstate;
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int i, ret = 0;
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u64 avg_bw;
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if (!kms->num_paths)
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return 0;
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drm_for_each_crtc(tmp_crtc, crtc->dev) {
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if (tmp_crtc->enabled &&
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curr_client_type ==
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dpu_crtc_get_client_type(tmp_crtc)) {
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dpu_cstate = to_dpu_crtc_state(tmp_crtc->state);
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perf.max_per_pipe_ib = max(perf.max_per_pipe_ib,
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dpu_cstate->new_perf.max_per_pipe_ib);
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-
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perf.bw_ctl += dpu_cstate->new_perf.bw_ctl;
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-
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DRM_DEBUG_ATOMIC("crtc=%d bw=%llu paths:%d\n",
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tmp_crtc->base.id,
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dpu_cstate->new_perf.bw_ctl, kms->num_paths);
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-
}
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-
}
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+
dpu_core_perf_aggregate(crtc->dev, dpu_crtc_get_client_type(crtc), &perf);
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avg_bw = perf.bw_ctl;
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do_div(avg_bw, (kms->num_paths * 1000)); /*Bps_to_icc*/