mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-05 15:49:42 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/msm/dpu: extract bandwidth aggregation function

Browse Source 
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
This commit is contained in:
Dmitry Baryshkov
2025-02-09 05:21:11 +02:00
parent 989a24211e
commit b9aedd32a8
1 changed files with 26 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
View File

@@ -210,36 +210,41 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
return 0;
}
static void dpu_core_perf_aggregate(struct drm_device *ddev,
enum dpu_crtc_client_type curr_client_type,
struct dpu_core_perf_params *perf)
{
struct dpu_crtc_state *dpu_cstate;
struct drm_crtc *tmp_crtc;
drm_for_each_crtc(tmp_crtc, ddev) {
if (tmp_crtc->enabled &&
curr_client_type == dpu_crtc_get_client_type(tmp_crtc)) {
dpu_cstate = to_dpu_crtc_state(tmp_crtc->state);
perf->max_per_pipe_ib = max(perf->max_per_pipe_ib,
dpu_cstate->new_perf.max_per_pipe_ib);
perf->bw_ctl += dpu_cstate->new_perf.bw_ctl;
DRM_DEBUG_ATOMIC("crtc=%d bw=%llu\n",
tmp_crtc->base.id,
dpu_cstate->new_perf.bw_ctl);
}
}
}
static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
struct drm_crtc *crtc)
struct drm_crtc *crtc)
{
struct dpu_core_perf_params perf = { 0 };
enum dpu_crtc_client_type curr_client_type
= dpu_crtc_get_client_type(crtc);
struct drm_crtc *tmp_crtc;
struct dpu_crtc_state *dpu_cstate;
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 ==
dpu_crtc_get_client_type(tmp_crtc)) {
dpu_cstate = to_dpu_crtc_state(tmp_crtc->state);
perf.max_per_pipe_ib = max(perf.max_per_pipe_ib,
dpu_cstate->new_perf.max_per_pipe_ib);
perf.bw_ctl += dpu_cstate->new_perf.bw_ctl;
DRM_DEBUG_ATOMIC("crtc=%d bw=%llu paths:%d\n",
tmp_crtc->base.id,
dpu_cstate->new_perf.bw_ctl, kms->num_paths);
}
}
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*/