From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 459 +++++++++++++++++++++++----------------------------------
1 files changed, 185 insertions(+), 274 deletions(-)
diff --git a/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index 41c5191..37c8270 100644
--- a/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -1,13 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
@@ -15,6 +7,7 @@
#include <linux/debugfs.h>
#include <linux/errno.h>
#include <linux/mutex.h>
+#include <linux/pm_opp.h>
#include <linux/sort.h>
#include <linux/clk.h>
#include <linux/bitmap.h>
@@ -23,8 +16,6 @@
#include "dpu_trace.h"
#include "dpu_crtc.h"
#include "dpu_core_perf.h"
-
-#define DPU_PERF_MODE_STRING_SIZE 128
/**
* enum dpu_perf_mode - performance tuning mode
@@ -39,49 +30,79 @@
DPU_PERF_MODE_MAX
};
+/**
+ * @_dpu_core_perf_calc_bw() - to calculate BW per crtc
+ * @kms - pointer to the dpu_kms
+ * @crtc - pointer to a crtc
+ * Return: returns aggregated BW for all planes in crtc.
+ */
+static u64 _dpu_core_perf_calc_bw(struct dpu_kms *kms,
+ struct drm_crtc *crtc)
+{
+ struct drm_plane *plane;
+ struct dpu_plane_state *pstate;
+ u64 crtc_plane_bw = 0;
+ u32 bw_factor;
+
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ pstate = to_dpu_plane_state(plane->state);
+ if (!pstate)
+ continue;
+
+ crtc_plane_bw += pstate->plane_fetch_bw;
+ }
+
+ bw_factor = kms->catalog->perf.bw_inefficiency_factor;
+ if (bw_factor) {
+ crtc_plane_bw *= bw_factor;
+ do_div(crtc_plane_bw, 100);
+ }
+
+ return crtc_plane_bw;
+}
+
+/**
+ * _dpu_core_perf_calc_clk() - to calculate clock per crtc
+ * @kms - pointer to the dpu_kms
+ * @crtc - pointer to a crtc
+ * @state - pointer to a crtc state
+ * Return: returns max clk for all planes in crtc.
+ */
+static u64 _dpu_core_perf_calc_clk(struct dpu_kms *kms,
+ struct drm_crtc *crtc, struct drm_crtc_state *state)
+{
+ struct drm_plane *plane;
+ struct dpu_plane_state *pstate;
+ struct drm_display_mode *mode;
+ u64 crtc_clk;
+ u32 clk_factor;
+
+ mode = &state->adjusted_mode;
+
+ crtc_clk = mode->vtotal * mode->hdisplay * drm_mode_vrefresh(mode);
+
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ pstate = to_dpu_plane_state(plane->state);
+ if (!pstate)
+ continue;
+
+ crtc_clk = max(pstate->plane_clk, crtc_clk);
+ }
+
+ clk_factor = kms->catalog->perf.clk_inefficiency_factor;
+ if (clk_factor) {
+ crtc_clk *= clk_factor;
+ do_div(crtc_clk, 100);
+ }
+
+ return crtc_clk;
+}
+
static struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc *crtc)
{
struct msm_drm_private *priv;
-
- if (!crtc->dev || !crtc->dev->dev_private) {
- DPU_ERROR("invalid device\n");
- return NULL;
- }
-
priv = crtc->dev->dev_private;
- if (!priv || !priv->kms) {
- DPU_ERROR("invalid kms\n");
- return NULL;
- }
-
return to_dpu_kms(priv->kms);
-}
-
-static bool _dpu_core_perf_crtc_is_power_on(struct drm_crtc *crtc)
-{
- return dpu_crtc_is_enabled(crtc);
-}
-
-static bool _dpu_core_video_mode_intf_connected(struct drm_crtc *crtc)
-{
- struct drm_crtc *tmp_crtc;
- bool intf_connected = false;
-
- if (!crtc)
- goto end;
-
- drm_for_each_crtc(tmp_crtc, crtc->dev) {
- if ((dpu_crtc_get_intf_mode(tmp_crtc) == INTF_MODE_VIDEO) &&
- _dpu_core_perf_crtc_is_power_on(tmp_crtc)) {
- DPU_DEBUG("video interface connected crtc:%d\n",
- tmp_crtc->base.id);
- intf_connected = true;
- goto end;
- }
- }
-
-end:
- return intf_connected;
}
static void _dpu_core_perf_calc_crtc(struct dpu_kms *kms,
@@ -90,7 +111,6 @@
struct dpu_core_perf_params *perf)
{
struct dpu_crtc_state *dpu_cstate;
- int i;
if (!kms || !kms->catalog || !crtc || !state || !perf) {
DPU_ERROR("invalid parameters\n");
@@ -100,36 +120,24 @@
dpu_cstate = to_dpu_crtc_state(state);
memset(perf, 0, sizeof(struct dpu_core_perf_params));
- if (!dpu_cstate->bw_control) {
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- perf->bw_ctl[i] = kms->catalog->perf.max_bw_high *
- 1000ULL;
- perf->max_per_pipe_ib[i] = perf->bw_ctl[i];
- }
- perf->core_clk_rate = kms->perf.max_core_clk_rate;
- } else if (kms->perf.perf_tune.mode == DPU_PERF_MODE_MINIMUM) {
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- perf->bw_ctl[i] = 0;
- perf->max_per_pipe_ib[i] = 0;
- }
+ if (kms->perf.perf_tune.mode == DPU_PERF_MODE_MINIMUM) {
+ perf->bw_ctl = 0;
+ perf->max_per_pipe_ib = 0;
perf->core_clk_rate = 0;
} else if (kms->perf.perf_tune.mode == DPU_PERF_MODE_FIXED) {
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- perf->bw_ctl[i] = kms->perf.fix_core_ab_vote;
- perf->max_per_pipe_ib[i] = kms->perf.fix_core_ib_vote;
- }
+ perf->bw_ctl = kms->perf.fix_core_ab_vote;
+ perf->max_per_pipe_ib = kms->perf.fix_core_ib_vote;
perf->core_clk_rate = kms->perf.fix_core_clk_rate;
+ } else {
+ perf->bw_ctl = _dpu_core_perf_calc_bw(kms, crtc);
+ perf->max_per_pipe_ib = kms->catalog->perf.min_dram_ib;
+ perf->core_clk_rate = _dpu_core_perf_calc_clk(kms, crtc, state);
}
DPU_DEBUG(
- "crtc=%d clk_rate=%llu core_ib=%llu core_ab=%llu llcc_ib=%llu llcc_ab=%llu mem_ib=%llu mem_ab=%llu\n",
+ "crtc=%d clk_rate=%llu core_ib=%llu core_ab=%llu\n",
crtc->base.id, perf->core_clk_rate,
- perf->max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_MNOC],
- perf->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_MNOC],
- perf->max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_LLCC],
- perf->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_LLCC],
- perf->max_per_pipe_ib[DPU_POWER_HANDLE_DBUS_ID_EBI],
- perf->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_EBI]);
+ perf->max_per_pipe_ib, perf->bw_ctl);
}
int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
@@ -138,11 +146,9 @@
u32 bw, threshold;
u64 bw_sum_of_intfs = 0;
enum dpu_crtc_client_type curr_client_type;
- bool is_video_mode;
struct dpu_crtc_state *dpu_cstate;
struct drm_crtc *tmp_crtc;
struct dpu_kms *kms;
- int i;
if (!crtc || !state) {
DPU_ERROR("invalid crtc\n");
@@ -150,7 +156,7 @@
}
kms = _dpu_crtc_get_kms(crtc);
- if (!kms || !kms->catalog) {
+ if (!kms->catalog) {
DPU_ERROR("invalid parameters\n");
return 0;
}
@@ -164,48 +170,32 @@
/* obtain new values */
_dpu_core_perf_calc_crtc(kms, crtc, state, &dpu_cstate->new_perf);
- for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC;
- i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- bw_sum_of_intfs = dpu_cstate->new_perf.bw_ctl[i];
- curr_client_type = dpu_crtc_get_client_type(crtc);
+ bw_sum_of_intfs = dpu_cstate->new_perf.bw_ctl;
+ curr_client_type = dpu_crtc_get_client_type(crtc);
- drm_for_each_crtc(tmp_crtc, crtc->dev) {
- if (_dpu_core_perf_crtc_is_power_on(tmp_crtc) &&
- (dpu_crtc_get_client_type(tmp_crtc) ==
- curr_client_type) &&
- (tmp_crtc != crtc)) {
- struct dpu_crtc_state *tmp_cstate =
- to_dpu_crtc_state(tmp_crtc->state);
+ drm_for_each_crtc(tmp_crtc, crtc->dev) {
+ if (tmp_crtc->enabled &&
+ (dpu_crtc_get_client_type(tmp_crtc) ==
+ curr_client_type) && (tmp_crtc != crtc)) {
+ struct dpu_crtc_state *tmp_cstate =
+ to_dpu_crtc_state(tmp_crtc->state);
- DPU_DEBUG("crtc:%d bw:%llu ctrl:%d\n",
- tmp_crtc->base.id,
- tmp_cstate->new_perf.bw_ctl[i],
- tmp_cstate->bw_control);
- /*
- * For bw check only use the bw if the
- * atomic property has been already set
- */
- if (tmp_cstate->bw_control)
- bw_sum_of_intfs +=
- tmp_cstate->new_perf.bw_ctl[i];
- }
+ DPU_DEBUG("crtc:%d bw:%llu ctrl:%d\n",
+ tmp_crtc->base.id, tmp_cstate->new_perf.bw_ctl,
+ tmp_cstate->bw_control);
+
+ bw_sum_of_intfs += tmp_cstate->new_perf.bw_ctl;
}
/* convert bandwidth to kb */
bw = DIV_ROUND_UP_ULL(bw_sum_of_intfs, 1000);
DPU_DEBUG("calculated bandwidth=%uk\n", bw);
- is_video_mode = dpu_crtc_get_intf_mode(crtc) == INTF_MODE_VIDEO;
- threshold = (is_video_mode ||
- _dpu_core_video_mode_intf_connected(crtc)) ?
- kms->catalog->perf.max_bw_low :
- kms->catalog->perf.max_bw_high;
+ threshold = kms->catalog->perf.max_bw_high;
DPU_DEBUG("final threshold bw limit = %d\n", threshold);
- if (!dpu_cstate->bw_control) {
- DPU_DEBUG("bypass bandwidth check\n");
- } else if (!threshold) {
+ if (!threshold) {
DPU_ERROR("no bandwidth limits specified\n");
return -E2BIG;
} else if (bw > threshold) {
@@ -219,30 +209,42 @@
}
static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
- struct drm_crtc *crtc, u32 bus_id)
+ struct drm_crtc *crtc)
{
- struct dpu_core_perf_params perf = { { 0 } };
+ 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 ret = 0;
+ int i, ret = 0;
+ u64 avg_bw;
drm_for_each_crtc(tmp_crtc, crtc->dev) {
- if (_dpu_core_perf_crtc_is_power_on(tmp_crtc) &&
+ 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[bus_id] =
- max(perf.max_per_pipe_ib[bus_id],
- dpu_cstate->new_perf.max_per_pipe_ib[bus_id]);
+ perf.max_per_pipe_ib = max(perf.max_per_pipe_ib,
+ dpu_cstate->new_perf.max_per_pipe_ib);
- DPU_DEBUG("crtc=%d bus_id=%d bw=%llu\n",
- tmp_crtc->base.id, bus_id,
- dpu_cstate->new_perf.bw_ctl[bus_id]);
+ perf.bw_ctl += dpu_cstate->new_perf.bw_ctl;
+
+ DPU_DEBUG("crtc=%d bw=%llu paths:%d\n",
+ tmp_crtc->base.id,
+ dpu_cstate->new_perf.bw_ctl, kms->num_paths);
}
}
+
+ if (!kms->num_paths)
+ return 0;
+
+ avg_bw = perf.bw_ctl;
+ do_div(avg_bw, (kms->num_paths * 1000)); /*Bps_to_icc*/
+
+ for (i = 0; i < kms->num_paths; i++)
+ icc_set_bw(kms->path[i], avg_bw, perf.max_per_pipe_ib);
+
return ret;
}
@@ -256,11 +258,8 @@
*/
void dpu_core_perf_crtc_release_bw(struct drm_crtc *crtc)
{
- struct drm_crtc *tmp_crtc;
struct dpu_crtc *dpu_crtc;
- struct dpu_crtc_state *dpu_cstate;
struct dpu_kms *kms;
- int i;
if (!crtc) {
DPU_ERROR("invalid crtc\n");
@@ -268,38 +267,22 @@
}
kms = _dpu_crtc_get_kms(crtc);
- if (!kms || !kms->catalog) {
+ if (!kms->catalog) {
DPU_ERROR("invalid kms\n");
return;
}
dpu_crtc = to_dpu_crtc(crtc);
- dpu_cstate = to_dpu_crtc_state(crtc->state);
- /* only do this for command mode rt client */
- if (dpu_crtc_get_intf_mode(crtc) != INTF_MODE_CMD)
+ if (atomic_dec_return(&kms->bandwidth_ref) > 0)
return;
-
- /*
- * If video interface present, cmd panel bandwidth cannot be
- * released.
- */
- if (dpu_crtc_get_intf_mode(crtc) == INTF_MODE_CMD)
- drm_for_each_crtc(tmp_crtc, crtc->dev) {
- if (_dpu_core_perf_crtc_is_power_on(tmp_crtc) &&
- dpu_crtc_get_intf_mode(tmp_crtc) ==
- INTF_MODE_VIDEO)
- return;
- }
/* Release the bandwidth */
if (kms->perf.enable_bw_release) {
trace_dpu_cmd_release_bw(crtc->base.id);
DPU_DEBUG("Release BW crtc=%d\n", crtc->base.id);
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- dpu_crtc->cur_perf.bw_ctl[i] = 0;
- _dpu_core_perf_crtc_update_bus(kms, crtc, i);
- }
+ dpu_crtc->cur_perf.bw_ctl = 0;
+ _dpu_core_perf_crtc_update_bus(kms, crtc);
}
}
@@ -311,7 +294,7 @@
rate = core_clk->max_rate;
core_clk->rate = rate;
- return msm_dss_clk_set_rate(core_clk, 1);
+ return dev_pm_opp_set_rate(&kms->pdev->dev, core_clk->rate);
}
static u64 _dpu_core_perf_get_core_clk_rate(struct dpu_kms *kms)
@@ -321,7 +304,7 @@
struct dpu_crtc_state *dpu_cstate;
drm_for_each_crtc(crtc, kms->dev) {
- if (_dpu_core_perf_crtc_is_power_on(crtc)) {
+ if (crtc->enabled) {
dpu_cstate = to_dpu_crtc_state(crtc->state);
clk_rate = max(dpu_cstate->new_perf.core_clk_rate,
clk_rate);
@@ -342,12 +325,10 @@
int params_changed, bool stop_req)
{
struct dpu_core_perf_params *new, *old;
- int update_bus = 0, update_clk = 0;
+ bool update_bus = false, update_clk = false;
u64 clk_rate = 0;
struct dpu_crtc *dpu_crtc;
struct dpu_crtc_state *dpu_cstate;
- int i;
- struct msm_drm_private *priv;
struct dpu_kms *kms;
int ret;
@@ -357,11 +338,10 @@
}
kms = _dpu_crtc_get_kms(crtc);
- if (!kms || !kms->catalog) {
+ if (!kms->catalog) {
DPU_ERROR("invalid kms\n");
return -EINVAL;
}
- priv = kms->dev->dev_private;
dpu_crtc = to_dpu_crtc(crtc);
dpu_cstate = to_dpu_crtc_state(crtc->state);
@@ -372,63 +352,50 @@
old = &dpu_crtc->cur_perf;
new = &dpu_cstate->new_perf;
- if (_dpu_core_perf_crtc_is_power_on(crtc) && !stop_req) {
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- /*
- * cases for bus bandwidth update.
- * 1. new bandwidth vote - "ab or ib vote" is higher
- * than current vote for update request.
- * 2. new bandwidth vote - "ab or ib vote" is lower
- * than current vote at end of commit or stop.
- */
- if ((params_changed && ((new->bw_ctl[i] >
- old->bw_ctl[i]) ||
- (new->max_per_pipe_ib[i] >
- old->max_per_pipe_ib[i]))) ||
- (!params_changed && ((new->bw_ctl[i] <
- old->bw_ctl[i]) ||
- (new->max_per_pipe_ib[i] <
- old->max_per_pipe_ib[i])))) {
- DPU_DEBUG(
- "crtc=%d p=%d new_bw=%llu,old_bw=%llu\n",
- crtc->base.id, params_changed,
- new->bw_ctl[i], old->bw_ctl[i]);
- old->bw_ctl[i] = new->bw_ctl[i];
- old->max_per_pipe_ib[i] =
- new->max_per_pipe_ib[i];
- update_bus |= BIT(i);
- }
+ if (crtc->enabled && !stop_req) {
+ /*
+ * cases for bus bandwidth update.
+ * 1. new bandwidth vote - "ab or ib vote" is higher
+ * than current vote for update request.
+ * 2. new bandwidth vote - "ab or ib vote" is lower
+ * than current vote at end of commit or stop.
+ */
+ if ((params_changed && ((new->bw_ctl > old->bw_ctl) ||
+ (new->max_per_pipe_ib > old->max_per_pipe_ib))) ||
+ (!params_changed && ((new->bw_ctl < old->bw_ctl) ||
+ (new->max_per_pipe_ib < old->max_per_pipe_ib)))) {
+ DPU_DEBUG("crtc=%d p=%d new_bw=%llu,old_bw=%llu\n",
+ crtc->base.id, params_changed,
+ new->bw_ctl, old->bw_ctl);
+ old->bw_ctl = new->bw_ctl;
+ old->max_per_pipe_ib = new->max_per_pipe_ib;
+ update_bus = true;
}
if ((params_changed &&
- (new->core_clk_rate > old->core_clk_rate)) ||
- (!params_changed &&
- (new->core_clk_rate < old->core_clk_rate))) {
+ (new->core_clk_rate > old->core_clk_rate)) ||
+ (!params_changed &&
+ (new->core_clk_rate < old->core_clk_rate))) {
old->core_clk_rate = new->core_clk_rate;
- update_clk = 1;
+ update_clk = true;
}
} else {
DPU_DEBUG("crtc=%d disable\n", crtc->base.id);
memset(old, 0, sizeof(*old));
memset(new, 0, sizeof(*new));
- update_bus = ~0;
- update_clk = 1;
+ update_bus = true;
+ update_clk = true;
}
- trace_dpu_perf_crtc_update(crtc->base.id,
- new->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_MNOC],
- new->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_LLCC],
- new->bw_ctl[DPU_POWER_HANDLE_DBUS_ID_EBI],
- new->core_clk_rate, stop_req,
- update_bus, update_clk);
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- if (update_bus & BIT(i)) {
- ret = _dpu_core_perf_crtc_update_bus(kms, crtc, i);
- if (ret) {
- DPU_ERROR("crtc-%d: failed to update bw vote for bus-%d\n",
- crtc->base.id, i);
- return ret;
- }
+ trace_dpu_perf_crtc_update(crtc->base.id, new->bw_ctl,
+ new->core_clk_rate, stop_req, update_bus, update_clk);
+
+ if (update_bus) {
+ ret = _dpu_core_perf_crtc_update_bus(kms, crtc);
+ if (ret) {
+ DPU_ERROR("crtc-%d: failed to update bus bw vote\n",
+ crtc->base.id);
+ return ret;
}
}
@@ -462,24 +429,14 @@
struct dpu_core_perf *perf = file->private_data;
struct dpu_perf_cfg *cfg = &perf->catalog->perf;
u32 perf_mode = 0;
- char buf[10];
+ int ret;
- if (!perf)
- return -ENODEV;
-
- if (count >= sizeof(buf))
- return -EFAULT;
-
- if (copy_from_user(buf, user_buf, count))
- return -EFAULT;
-
- buf[count] = 0; /* end of string */
-
- if (kstrtouint(buf, 0, &perf_mode))
- return -EFAULT;
+ ret = kstrtouint_from_user(user_buf, count, 0, &perf_mode);
+ if (ret)
+ return ret;
if (perf_mode >= DPU_PERF_MODE_MAX)
- return -EFAULT;
+ return -EINVAL;
if (perf_mode == DPU_PERF_MODE_FIXED) {
DRM_INFO("fix performance mode\n");
@@ -504,29 +461,16 @@
char __user *buff, size_t count, loff_t *ppos)
{
struct dpu_core_perf *perf = file->private_data;
- int len = 0;
- char buf[DPU_PERF_MODE_STRING_SIZE] = {'\0'};
+ int len;
+ char buf[128];
- if (!perf)
- return -ENODEV;
-
- if (*ppos)
- return 0; /* the end */
-
- len = snprintf(buf, sizeof(buf),
+ len = scnprintf(buf, sizeof(buf),
"mode %d min_mdp_clk %llu min_bus_vote %llu\n",
perf->perf_tune.mode,
perf->perf_tune.min_core_clk,
perf->perf_tune.min_bus_vote);
- if (len < 0 || len >= sizeof(buf))
- return 0;
- if ((count < sizeof(buf)) || copy_to_user(buff, buf, len))
- return -EFAULT;
-
- *ppos += len; /* increase offset */
-
- return len;
+ return simple_read_from_buffer(buff, count, ppos, buf, len);
}
static const struct file_operations dpu_core_perf_mode_fops = {
@@ -535,68 +479,39 @@
.write = _dpu_core_perf_mode_write,
};
-static void dpu_core_perf_debugfs_destroy(struct dpu_core_perf *perf)
+int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent)
{
- debugfs_remove_recursive(perf->debugfs_root);
- perf->debugfs_root = NULL;
-}
-
-int dpu_core_perf_debugfs_init(struct dpu_core_perf *perf,
- struct dentry *parent)
-{
+ struct dpu_core_perf *perf = &dpu_kms->perf;
struct dpu_mdss_cfg *catalog = perf->catalog;
- struct msm_drm_private *priv;
- struct dpu_kms *dpu_kms;
+ struct dentry *entry;
- priv = perf->dev->dev_private;
- if (!priv || !priv->kms) {
- DPU_ERROR("invalid KMS reference\n");
- return -EINVAL;
- }
+ entry = debugfs_create_dir("core_perf", parent);
- dpu_kms = to_dpu_kms(priv->kms);
-
- perf->debugfs_root = debugfs_create_dir("core_perf", parent);
- if (!perf->debugfs_root) {
- DPU_ERROR("failed to create core perf debugfs\n");
- return -EINVAL;
- }
-
- debugfs_create_u64("max_core_clk_rate", 0600, perf->debugfs_root,
+ debugfs_create_u64("max_core_clk_rate", 0600, entry,
&perf->max_core_clk_rate);
- debugfs_create_u64("core_clk_rate", 0600, perf->debugfs_root,
+ debugfs_create_u64("core_clk_rate", 0600, entry,
&perf->core_clk_rate);
- debugfs_create_u32("enable_bw_release", 0600, perf->debugfs_root,
+ debugfs_create_u32("enable_bw_release", 0600, entry,
(u32 *)&perf->enable_bw_release);
- debugfs_create_u32("threshold_low", 0600, perf->debugfs_root,
+ debugfs_create_u32("threshold_low", 0600, entry,
(u32 *)&catalog->perf.max_bw_low);
- debugfs_create_u32("threshold_high", 0600, perf->debugfs_root,
+ debugfs_create_u32("threshold_high", 0600, entry,
(u32 *)&catalog->perf.max_bw_high);
- debugfs_create_u32("min_core_ib", 0600, perf->debugfs_root,
+ debugfs_create_u32("min_core_ib", 0600, entry,
(u32 *)&catalog->perf.min_core_ib);
- debugfs_create_u32("min_llcc_ib", 0600, perf->debugfs_root,
+ debugfs_create_u32("min_llcc_ib", 0600, entry,
(u32 *)&catalog->perf.min_llcc_ib);
- debugfs_create_u32("min_dram_ib", 0600, perf->debugfs_root,
+ debugfs_create_u32("min_dram_ib", 0600, entry,
(u32 *)&catalog->perf.min_dram_ib);
- debugfs_create_file("perf_mode", 0600, perf->debugfs_root,
+ debugfs_create_file("perf_mode", 0600, entry,
(u32 *)perf, &dpu_core_perf_mode_fops);
- debugfs_create_u64("fix_core_clk_rate", 0600, perf->debugfs_root,
+ debugfs_create_u64("fix_core_clk_rate", 0600, entry,
&perf->fix_core_clk_rate);
- debugfs_create_u64("fix_core_ib_vote", 0600, perf->debugfs_root,
+ debugfs_create_u64("fix_core_ib_vote", 0600, entry,
&perf->fix_core_ib_vote);
- debugfs_create_u64("fix_core_ab_vote", 0600, perf->debugfs_root,
+ debugfs_create_u64("fix_core_ab_vote", 0600, entry,
&perf->fix_core_ab_vote);
- return 0;
-}
-#else
-static void dpu_core_perf_debugfs_destroy(struct dpu_core_perf *perf)
-{
-}
-
-int dpu_core_perf_debugfs_init(struct dpu_core_perf *perf,
- struct dentry *parent)
-{
return 0;
}
#endif
@@ -608,10 +523,8 @@
return;
}
- dpu_core_perf_debugfs_destroy(perf);
perf->max_core_clk_rate = 0;
perf->core_clk = NULL;
- perf->phandle = NULL;
perf->catalog = NULL;
perf->dev = NULL;
}
@@ -619,12 +532,10 @@
int dpu_core_perf_init(struct dpu_core_perf *perf,
struct drm_device *dev,
struct dpu_mdss_cfg *catalog,
- struct dpu_power_handle *phandle,
struct dss_clk *core_clk)
{
perf->dev = dev;
perf->catalog = catalog;
- perf->phandle = phandle;
perf->core_clk = core_clk;
perf->max_core_clk_rate = core_clk->max_rate;
--
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