[Freedreno] [DPU PATCH 3/6] drm/msm: Remove dpu bus scaling code
Sean Paul
seanpaul at chromium.org
Thu Jun 28 20:53:31 UTC 2018
QC bus scaling isn't upstream yet, so remove the bus scaling code until
it is.
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 35 --
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 7 +-
.../gpu/drm/msm/disp/dpu1/dpu_power_handle.c | 522 +-----------------
.../gpu/drm/msm/disp/dpu1/dpu_power_handle.h | 65 +--
4 files changed, 4 insertions(+), 625 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 1019ce7594ff..41c5191f9056 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -221,7 +221,6 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
struct drm_crtc *crtc, u32 bus_id)
{
- u64 bw_sum_of_intfs = 0, bus_ab_quota, bus_ib_quota;
struct dpu_core_perf_params perf = { { 0 } };
enum dpu_crtc_client_type curr_client_type
= dpu_crtc_get_client_type(crtc);
@@ -239,45 +238,11 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
max(perf.max_per_pipe_ib[bus_id],
dpu_cstate->new_perf.max_per_pipe_ib[bus_id]);
- bw_sum_of_intfs += dpu_cstate->new_perf.bw_ctl[bus_id];
-
DPU_DEBUG("crtc=%d bus_id=%d bw=%llu\n",
tmp_crtc->base.id, bus_id,
dpu_cstate->new_perf.bw_ctl[bus_id]);
}
}
-
- bus_ab_quota = max(bw_sum_of_intfs, kms->perf.perf_tune.min_bus_vote);
- bus_ib_quota = perf.max_per_pipe_ib[bus_id];
-
- if (kms->perf.perf_tune.mode == DPU_PERF_MODE_FIXED) {
- bus_ab_quota = kms->perf.fix_core_ab_vote;
- bus_ib_quota = kms->perf.fix_core_ib_vote;
- }
-
- switch (curr_client_type) {
- case NRT_CLIENT:
- ret = dpu_power_data_bus_set_quota(
- &kms->phandle, kms->core_client,
- DPU_POWER_HANDLE_DATA_BUS_CLIENT_NRT,
- bus_id, bus_ab_quota, bus_ib_quota);
- DPU_DEBUG("client:%s bus_id=%d ab=%llu ib=%llu\n", "nrt",
- bus_id, bus_ab_quota, bus_ib_quota);
- break;
-
- case RT_CLIENT:
- ret = dpu_power_data_bus_set_quota(
- &kms->phandle, kms->core_client,
- DPU_POWER_HANDLE_DATA_BUS_CLIENT_RT,
- bus_id, bus_ab_quota, bus_ib_quota);
- DPU_DEBUG("client:%s bus_id=%d ab=%llu ib=%llu\n", "rt",
- bus_id, bus_ab_quota, bus_ib_quota);
- break;
-
- default:
- DPU_ERROR("invalid client type:%d\n", curr_client_type);
- break;
- }
return ret;
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 3889e4a7dfbc..605da85bb53f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1265,11 +1265,7 @@ static int dpu_bind(struct device *dev, struct device *master, void *data)
goto clk_rate_error;
}
- ret = dpu_power_resource_init(pdev, &dpu_kms->phandle);
- if (ret) {
- pr_err("dpu power resource init failed\n");
- goto power_init_fail;
- }
+ dpu_power_resource_init(pdev, &dpu_kms->phandle);
platform_set_drvdata(pdev, dpu_kms);
@@ -1283,7 +1279,6 @@ static int dpu_bind(struct device *dev, struct device *master, void *data)
priv->kms = &dpu_kms->base;
return ret;
-power_init_fail:
clk_rate_error:
msm_dss_put_clk(mp->clk_config, mp->num_clk);
clk_get_error:
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c
index f997bd9e109c..a68f1249388c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.c
@@ -24,132 +24,6 @@
#include "dpu_power_handle.h"
#include "dpu_trace.h"
-#ifdef CONFIG_QCOM_BUS_SCALING
-#include <linux/msm-bus.h>
-#include <linux/msm-bus-board.h>
-
-#define DPU_BUS_VECTOR_ENTRY(src_val, dst_val, ab_val, ib_val) \
- { \
- .src = src_val, \
- .dst = dst_val, \
- .ab = (ab_val), \
- .ib = (ib_val), \
- }
-
-static struct msm_bus_vectors dpu_reg_bus_vectors[] = {
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_FIRST,
- MSM_BUS_SLAVE_DISPLAY_CFG, 0, 0),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_FIRST,
- MSM_BUS_SLAVE_DISPLAY_CFG, 0, 76800000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_FIRST,
- MSM_BUS_SLAVE_DISPLAY_CFG, 0, 150000000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_FIRST,
- MSM_BUS_SLAVE_DISPLAY_CFG, 0, 300000000),
-};
-
-static struct msm_bus_paths dpu_reg_bus_usecases[] = { {
- .num_paths = 1,
- .vectors = &dpu_reg_bus_vectors[0],
-}, {
- .num_paths = 1,
- .vectors = &dpu_reg_bus_vectors[1],
-}, {
- .num_paths = 1,
- .vectors = &dpu_reg_bus_vectors[2],
-}, {
- .num_paths = 1,
- .vectors = &dpu_reg_bus_vectors[3],
-} };
-
-static struct msm_bus_scale_pdata dpu_reg_bus_scale_table = {
- .usecase = dpu_reg_bus_usecases,
- .num_usecases = ARRAY_SIZE(dpu_reg_bus_usecases),
- .name = "mdss_reg",
-};
-
-static struct msm_bus_vectors dpu_data_bus_vectors[] = {
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MDP_PORT0,
- MSM_BUS_SLAVE_MNOC_HF_MEM_NOC, 0, 0),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MDP_PORT1,
- MSM_BUS_SLAVE_MNOC_HF_MEM_NOC, 0, 0),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MDP_PORT0,
- MSM_BUS_SLAVE_MNOC_HF_MEM_NOC, 0, 6400000000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MDP_PORT1,
- MSM_BUS_SLAVE_MNOC_HF_MEM_NOC, 0, 6400000000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MDP_PORT0,
- MSM_BUS_SLAVE_MNOC_HF_MEM_NOC, 0, 6400000000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MDP_PORT1,
- MSM_BUS_SLAVE_MNOC_HF_MEM_NOC, 0, 6400000000),
-};
-
-static struct msm_bus_paths dpu_data_bus_usecases[] = { {
- .num_paths = 2,
- .vectors = &dpu_data_bus_vectors[0],
-}, {
- .num_paths = 2,
- .vectors = &dpu_data_bus_vectors[2],
-}, {
- .num_paths = 2,
- .vectors = &dpu_data_bus_vectors[4],
-} };
-
-static struct msm_bus_scale_pdata dpu_data_bus_scale_table = {
- .usecase = dpu_data_bus_usecases,
- .num_usecases = ARRAY_SIZE(dpu_data_bus_usecases),
- .name = "mdss_mnoc",
-};
-
-static struct msm_bus_vectors dpu_llcc_bus_vectors[] = {
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MNOC_HF_MEM_NOC,
- MSM_BUS_SLAVE_LLCC, 0, 0),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MNOC_HF_MEM_NOC,
- MSM_BUS_SLAVE_LLCC, 0, 6400000000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_MNOC_HF_MEM_NOC,
- MSM_BUS_SLAVE_LLCC, 0, 6400000000),
-};
-
-static struct msm_bus_paths dpu_llcc_bus_usecases[] = { {
- .num_paths = 1,
- .vectors = &dpu_llcc_bus_vectors[0],
-}, {
- .num_paths = 1,
- .vectors = &dpu_llcc_bus_vectors[1],
-}, {
- .num_paths = 1,
- .vectors = &dpu_llcc_bus_vectors[2],
-} };
-static struct msm_bus_scale_pdata dpu_llcc_bus_scale_table = {
- .usecase = dpu_llcc_bus_usecases,
- .num_usecases = ARRAY_SIZE(dpu_llcc_bus_usecases),
- .name = "mdss_llcc",
-};
-
-static struct msm_bus_vectors dpu_ebi_bus_vectors[] = {
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_LLCC,
- MSM_BUS_SLAVE_EBI_CH0, 0, 0),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_LLCC,
- MSM_BUS_SLAVE_EBI_CH0, 0, 6400000000),
- DPU_BUS_VECTOR_ENTRY(MSM_BUS_MASTER_LLCC,
- MSM_BUS_SLAVE_EBI_CH0, 0, 6400000000),
-};
-
-static struct msm_bus_paths dpu_ebi_bus_usecases[] = { {
- .num_paths = 1,
- .vectors = &dpu_ebi_bus_vectors[0],
-}, {
- .num_paths = 1,
- .vectors = &dpu_ebi_bus_vectors[1],
-}, {
- .num_paths = 1,
- .vectors = &dpu_ebi_bus_vectors[2],
-} };
-static struct msm_bus_scale_pdata dpu_ebi_bus_scale_table = {
- .usecase = dpu_ebi_bus_usecases,
- .num_usecases = ARRAY_SIZE(dpu_ebi_bus_usecases),
- .name = "mdss_ebi",
-};
-#endif
-
static const char *data_bus_name[DPU_POWER_HANDLE_DBUS_ID_MAX] = {
[DPU_POWER_HANDLE_DBUS_ID_MNOC] = "qcom,dpu-data-bus",
[DPU_POWER_HANDLE_DBUS_ID_LLCC] = "qcom,dpu-llcc-bus",
@@ -222,366 +96,15 @@ void dpu_power_client_destroy(struct dpu_power_handle *phandle,
}
}
-#ifdef CONFIG_QCOM_BUS_SCALING
-
-#define MAX_AXI_PORT_COUNT 3
-
-static int _dpu_power_data_bus_set_quota(
- struct dpu_power_data_bus_handle *pdbus,
- u64 ab_quota_rt, u64 ab_quota_nrt,
- u64 ib_quota_rt, u64 ib_quota_nrt)
-{
- int new_uc_idx;
- u64 ab_quota[MAX_AXI_PORT_COUNT] = {0, 0};
- u64 ib_quota[MAX_AXI_PORT_COUNT] = {0, 0};
- int rc;
-
- if (pdbus->data_bus_hdl < 1) {
- pr_err("invalid bus handle %d\n", pdbus->data_bus_hdl);
- return -EINVAL;
- }
-
- pdbus->ab_rt = ab_quota_rt;
- pdbus->ib_rt = ib_quota_rt;
- pdbus->ab_nrt = ab_quota_nrt;
- pdbus->ib_nrt = ib_quota_nrt;
-
- if (pdbus->enable) {
- ab_quota_rt = max_t(u64, ab_quota_rt,
- DPU_POWER_HANDLE_ENABLE_BUS_AB_QUOTA);
- ib_quota_rt = max_t(u64, ib_quota_rt,
- DPU_POWER_HANDLE_ENABLE_BUS_IB_QUOTA);
- ab_quota_nrt = max_t(u64, ab_quota_nrt,
- DPU_POWER_HANDLE_ENABLE_BUS_AB_QUOTA);
- ib_quota_nrt = max_t(u64, ib_quota_nrt,
- DPU_POWER_HANDLE_ENABLE_BUS_IB_QUOTA);
- } else {
- ab_quota_rt = min_t(u64, ab_quota_rt,
- DPU_POWER_HANDLE_DISABLE_BUS_AB_QUOTA);
- ib_quota_rt = min_t(u64, ib_quota_rt,
- DPU_POWER_HANDLE_DISABLE_BUS_IB_QUOTA);
- ab_quota_nrt = min_t(u64, ab_quota_nrt,
- DPU_POWER_HANDLE_DISABLE_BUS_AB_QUOTA);
- ib_quota_nrt = min_t(u64, ib_quota_nrt,
- DPU_POWER_HANDLE_DISABLE_BUS_IB_QUOTA);
- }
-
- if (!ab_quota_rt && !ab_quota_nrt && !ib_quota_rt && !ib_quota_nrt) {
- new_uc_idx = 0;
- } else {
- int i;
- struct msm_bus_vectors *vect = NULL;
- struct msm_bus_scale_pdata *bw_table =
- pdbus->data_bus_scale_table;
- u32 nrt_axi_port_cnt = pdbus->nrt_axi_port_cnt;
- u32 total_axi_port_cnt = pdbus->axi_port_cnt;
- u32 rt_axi_port_cnt = total_axi_port_cnt - nrt_axi_port_cnt;
-
- if (!bw_table || !total_axi_port_cnt ||
- total_axi_port_cnt > MAX_AXI_PORT_COUNT) {
- pr_err("invalid input\n");
- return -EINVAL;
- }
-
- if (pdbus->bus_channels) {
- ib_quota_rt = div_u64(ib_quota_rt,
- pdbus->bus_channels);
- ib_quota_nrt = div_u64(ib_quota_nrt,
- pdbus->bus_channels);
- }
-
- if (nrt_axi_port_cnt) {
-
- ab_quota_rt = div_u64(ab_quota_rt, rt_axi_port_cnt);
- ab_quota_nrt = div_u64(ab_quota_nrt, nrt_axi_port_cnt);
-
- for (i = 0; i < total_axi_port_cnt; i++) {
- if (i < rt_axi_port_cnt) {
- ab_quota[i] = ab_quota_rt;
- ib_quota[i] = ib_quota_rt;
- } else {
- ab_quota[i] = ab_quota_nrt;
- ib_quota[i] = ib_quota_nrt;
- }
- }
- } else {
- ab_quota[0] = div_u64(ab_quota_rt + ab_quota_nrt,
- total_axi_port_cnt);
- ib_quota[0] = ib_quota_rt + ib_quota_nrt;
-
- for (i = 1; i < total_axi_port_cnt; i++) {
- ab_quota[i] = ab_quota[0];
- ib_quota[i] = ib_quota[0];
- }
- }
-
- new_uc_idx = (pdbus->curr_bw_uc_idx %
- (bw_table->num_usecases - 1)) + 1;
-
- for (i = 0; i < total_axi_port_cnt; i++) {
- vect = &bw_table->usecase[new_uc_idx].vectors[i];
- vect->ab = ab_quota[i];
- vect->ib = ib_quota[i];
-
- pr_debug(
- "%s uc_idx=%d %s path idx=%d ab=%llu ib=%llu\n",
- bw_table->name,
- new_uc_idx, (i < rt_axi_port_cnt) ? "rt" : "nrt"
- , i, vect->ab, vect->ib);
- }
- }
- pdbus->curr_bw_uc_idx = new_uc_idx;
- pdbus->ao_bw_uc_idx = new_uc_idx;
-
- DPU_ATRACE_BEGIN("msm_bus_scale_req");
- rc = msm_bus_scale_client_update_request(pdbus->data_bus_hdl,
- new_uc_idx);
- DPU_ATRACE_END("msm_bus_scale_req");
-
- return rc;
-}
-
-int dpu_power_data_bus_set_quota(struct dpu_power_handle *phandle,
- struct dpu_power_client *pclient,
- int bus_client, u32 bus_id,
- u64 ab_quota, u64 ib_quota)
-{
- int rc = 0;
- int i;
- u64 total_ab_rt = 0, total_ib_rt = 0;
- u64 total_ab_nrt = 0, total_ib_nrt = 0;
- struct dpu_power_client *client;
-
- if (!phandle || !pclient ||
- bus_client >= DPU_POWER_HANDLE_DATA_BUS_CLIENT_MAX ||
- bus_id >= DPU_POWER_HANDLE_DBUS_ID_MAX) {
- pr_err("invalid parameters\n");
- return -EINVAL;
- }
-
- mutex_lock(&phandle->phandle_lock);
-
- pclient->ab[bus_client] = ab_quota;
- pclient->ib[bus_client] = ib_quota;
- trace_dpu_perf_update_bus(bus_client, ab_quota, ib_quota);
-
- list_for_each_entry(client, &phandle->power_client_clist, list) {
- for (i = 0; i < DPU_POWER_HANDLE_DATA_BUS_CLIENT_MAX; i++) {
- if (i == DPU_POWER_HANDLE_DATA_BUS_CLIENT_NRT) {
- total_ab_nrt += client->ab[i];
- total_ib_nrt += client->ib[i];
- } else {
- total_ab_rt += client->ab[i];
- total_ib_rt = max(total_ib_rt, client->ib[i]);
- }
- }
- }
-
- if (phandle->data_bus_handle[bus_id].data_bus_hdl)
- rc = _dpu_power_data_bus_set_quota(
- &phandle->data_bus_handle[bus_id],
- total_ab_rt, total_ab_nrt,
- total_ib_rt, total_ib_nrt);
-
- mutex_unlock(&phandle->phandle_lock);
-
- return rc;
-}
-
-static void dpu_power_data_bus_unregister(
- struct dpu_power_data_bus_handle *pdbus)
-{
- if (pdbus->data_bus_hdl) {
- msm_bus_scale_unregister_client(pdbus->data_bus_hdl);
- pdbus->data_bus_hdl = 0;
- }
-}
-
-static int dpu_power_data_bus_register(struct dpu_power_handle *phandle,
- int index)
-{
- struct dpu_power_data_bus_handle *pdbus = &phandle->data_bus_handle[index];
-
- pdbus->bus_channels = 2;
- pdbus->nrt_axi_port_cnt = 0;
- pdbus->axi_port_cnt = 1;
-
- switch (index) {
- case DPU_POWER_HANDLE_DBUS_ID_MNOC:
- pdbus->data_bus_scale_table = &dpu_data_bus_scale_table;
- pdbus->axi_port_cnt = 2;
- break;
- case DPU_POWER_HANDLE_DBUS_ID_LLCC:
- pdbus->data_bus_scale_table = &dpu_llcc_bus_scale_table;
- break;
- case DPU_POWER_HANDLE_DBUS_ID_EBI:
- pdbus->data_bus_scale_table = &dpu_ebi_bus_scale_table;
- break;
- default:
- pr_err("invalid data_bus type: %d", index);
- return -EINVAL;
- }
-
- pdbus->data_bus_hdl = msm_bus_scale_register_client(
- pdbus->data_bus_scale_table);
- if (!pdbus->data_bus_hdl) {
- pr_err("data_bus_client register failed\n");
- return -EINVAL;
- }
- pr_debug("register %s data_bus_hdl=%x\n", data_bus_name[index],
- pdbus->data_bus_hdl);
-
- return 0;
-}
-
-static int dpu_power_reg_bus_register(struct dpu_power_handle *phandle)
-{
- phandle->reg_bus_hdl = msm_bus_scale_register_client(
- &dpu_reg_bus_scale_table);
- if (!phandle->reg_bus_hdl) {
- pr_err("reg_bus_client register failed\n");
- return -EINVAL;
- }
- pr_debug("register reg_bus_hdl=%x\n", phandle->reg_bus_hdl);
-
- return 0;
-}
-
-static void dpu_power_reg_bus_unregister(u32 reg_bus_hdl)
-{
- if (reg_bus_hdl)
- msm_bus_scale_unregister_client(reg_bus_hdl);
-}
-
-int dpu_power_data_bus_state_update(struct dpu_power_handle *phandle,
- bool enable)
-{
- int i;
-
- if (!phandle) {
- pr_err("invalid param\n");
- return -EINVAL;
- }
-
- for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC;
- i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++)
- phandle->data_bus_handle[i].enable = enable;
-
- return 0;
-}
-
-static int dpu_power_data_bus_update(struct dpu_power_data_bus_handle *pdbus,
- bool enable)
-{
- int rc = 0;
-
- pdbus->enable = enable;
-
- if (pdbus->data_bus_hdl)
- rc = _dpu_power_data_bus_set_quota(pdbus, pdbus->ab_rt,
- pdbus->ab_nrt, pdbus->ib_rt, pdbus->ib_nrt);
-
- if (rc)
- pr_err("failed to set data bus vote rc=%d enable:%d\n",
- rc, enable);
-
- return rc;
-}
-
-static int dpu_power_reg_bus_update(u32 reg_bus_hdl, u32 usecase_ndx)
-{
- int rc = 0;
-
- if (reg_bus_hdl)
- rc = msm_bus_scale_client_update_request(reg_bus_hdl,
- usecase_ndx);
- if (rc)
- pr_err("failed to set reg bus vote rc=%d\n", rc);
-
- return rc;
-}
-#else
-static int dpu_power_data_bus_register(struct dpu_power_handle *phandle,
- int index)
-{
- return 0;
-}
-
-static void dpu_power_data_bus_unregister(
- struct dpu_power_data_bus_handle *pdbus)
-{
-}
-
-int dpu_power_data_bus_set_quota(struct dpu_power_handle *phandle,
- struct dpu_power_client *pclient,
- int bus_client, u32 bus_id,
- u64 ab_quota, u64 ib_quota)
-{
- return 0;
-}
-
-static int dpu_power_reg_bus_register(struct dpu_power_handle *phandle)
-{
- return 0;
-}
-
-static void dpu_power_reg_bus_unregister(u32 reg_bus_hdl)
-{
-}
-
-static int dpu_power_reg_bus_update(u32 reg_bus_hdl, u32 usecase_ndx)
-{
- return 0;
-}
-
-static int dpu_power_data_bus_update(struct dpu_power_data_bus_handle *pdbus,
- bool enable)
-{
- return 0;
-}
-
-int dpu_power_data_bus_state_update(struct dpu_power_handle *phandle,
- bool enable)
-{
- return 0;
-}
-#endif
-
-int dpu_power_resource_init(struct platform_device *pdev,
+void dpu_power_resource_init(struct platform_device *pdev,
struct dpu_power_handle *phandle)
{
- int rc = 0, i;
-
phandle->dev = &pdev->dev;
- rc = dpu_power_reg_bus_register(phandle);
- if (rc) {
- pr_err("register bus parse failed rc=%d\n", rc);
- return rc;
- }
-
- for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC;
- i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- rc = dpu_power_data_bus_register(phandle, i);
- if (rc) {
- pr_err("register data bus parse failed id=%d rc=%d\n",
- i, rc);
- goto data_bus_err;
- }
- }
-
INIT_LIST_HEAD(&phandle->power_client_clist);
INIT_LIST_HEAD(&phandle->event_list);
mutex_init(&phandle->phandle_lock);
-
- return rc;
-
-data_bus_err:
- for (i--; i >= 0; i--)
- dpu_power_data_bus_unregister(&phandle->data_bus_handle[i]);
- dpu_power_reg_bus_unregister(phandle->reg_bus_hdl);
- return rc;
}
void dpu_power_resource_deinit(struct platform_device *pdev,
@@ -589,7 +112,6 @@ void dpu_power_resource_deinit(struct platform_device *pdev,
{
struct dpu_power_client *curr_client, *next_client;
struct dpu_power_event *curr_event, *next_event;
- int i;
if (!phandle || !pdev) {
pr_err("invalid input param\n");
@@ -615,17 +137,11 @@ void dpu_power_resource_deinit(struct platform_device *pdev,
list_del(&curr_event->list);
}
mutex_unlock(&phandle->phandle_lock);
-
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++)
- dpu_power_data_bus_unregister(&phandle->data_bus_handle[i]);
-
- dpu_power_reg_bus_unregister(phandle->reg_bus_hdl);
}
int dpu_power_resource_enable(struct dpu_power_handle *phandle,
struct dpu_power_client *pclient, bool enable)
{
- int rc = 0, i;
bool changed = false;
u32 max_usecase_ndx = VOTE_INDEX_DISABLE, prev_usecase_ndx;
struct dpu_power_client *client;
@@ -668,53 +184,19 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle,
if (enable) {
dpu_power_event_trigger_locked(phandle,
DPU_POWER_EVENT_PRE_ENABLE);
-
- for (i = 0; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++) {
- rc = dpu_power_data_bus_update(
- &phandle->data_bus_handle[i], enable);
- if (rc) {
- pr_err("failed to set data bus vote id=%d rc=%d\n",
- i, rc);
- goto data_bus_hdl_err;
- }
- }
-
- rc = dpu_power_reg_bus_update(phandle->reg_bus_hdl,
- max_usecase_ndx);
- if (rc) {
- pr_err("failed to set reg bus vote rc=%d\n", rc);
- goto reg_bus_hdl_err;
- }
-
dpu_power_event_trigger_locked(phandle,
DPU_POWER_EVENT_POST_ENABLE);
} else {
dpu_power_event_trigger_locked(phandle,
DPU_POWER_EVENT_PRE_DISABLE);
-
- dpu_power_reg_bus_update(phandle->reg_bus_hdl,
- max_usecase_ndx);
-
- for (i = 0 ; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++)
- dpu_power_data_bus_update(&phandle->data_bus_handle[i],
- enable);
-
dpu_power_event_trigger_locked(phandle,
DPU_POWER_EVENT_POST_DISABLE);
}
end:
mutex_unlock(&phandle->phandle_lock);
- return rc;
-
-reg_bus_hdl_err:
- for (i = 0 ; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++)
- dpu_power_data_bus_update(&phandle->data_bus_handle[i], 0);
-data_bus_hdl_err:
- phandle->current_usecase_ndx = prev_usecase_ndx;
- mutex_unlock(&phandle->phandle_lock);
- return rc;
+ return 0;
}
struct dpu_power_event *dpu_power_handle_register_event(
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h
index 193f46886bc2..344f74464eca 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_power_handle.h
@@ -97,36 +97,6 @@ struct dpu_power_client {
bool active;
};
-/**
- * struct dpu_power_data_handle: power handle struct for data bus
- * @data_bus_scale_table: pointer to bus scaling table
- * @data_bus_hdl: current data bus handle
- * @axi_port_cnt: number of rt axi ports
- * @nrt_axi_port_cnt: number of nrt axi ports
- * @bus_channels: number of memory bus channels
- * @curr_bw_uc_idx: current use case index of data bus
- * @ao_bw_uc_idx: active only use case index of data bus
- * @ab_rt: realtime ab quota
- * @ib_rt: realtime ib quota
- * @ab_nrt: non-realtime ab quota
- * @ib_nrt: non-realtime ib quota
- * @enable: true if bus is enabled
- */
-struct dpu_power_data_bus_handle {
- struct msm_bus_scale_pdata *data_bus_scale_table;
- u32 data_bus_hdl;
- u32 axi_port_cnt;
- u32 nrt_axi_port_cnt;
- u32 bus_channels;
- u32 curr_bw_uc_idx;
- u32 ao_bw_uc_idx;
- u64 ab_rt;
- u64 ib_rt;
- u64 ab_nrt;
- u64 ib_nrt;
- bool enable;
-};
-
/*
* struct dpu_power_event - local event registration structure
* @client_name: name of the client registering
@@ -151,8 +121,6 @@ struct dpu_power_event {
* @phandle_lock: lock to synchronize the enable/disable
* @dev: pointer to device structure
* @usecase_ndx: current usecase index
- * @reg_bus_hdl: current register bus handle
- * @data_bus_handle: context structure for data bus control
* @event_list: current power handle event list
*/
struct dpu_power_handle {
@@ -160,9 +128,6 @@ struct dpu_power_handle {
struct mutex phandle_lock;
struct device *dev;
u32 current_usecase_ndx;
- u32 reg_bus_hdl;
- struct dpu_power_data_bus_handle data_bus_handle
- [DPU_POWER_HANDLE_DBUS_ID_MAX];
struct list_head event_list;
};
@@ -170,10 +135,8 @@ struct dpu_power_handle {
* dpu_power_resource_init() - initializes the dpu power handle
* @pdev: platform device to search the power resources
* @pdata: power handle to store the power resources
- *
- * Return: error code.
*/
-int dpu_power_resource_init(struct platform_device *pdev,
+void dpu_power_resource_init(struct platform_device *pdev,
struct dpu_power_handle *pdata);
/**
@@ -217,32 +180,6 @@ void dpu_power_client_destroy(struct dpu_power_handle *phandle,
int dpu_power_resource_enable(struct dpu_power_handle *pdata,
struct dpu_power_client *pclient, bool enable);
-/**
- * dpu_power_data_bus_state_update() - update data bus state
- * @pdata: power handle containing the resources
- * @enable: take enable vs disable path
- *
- * Return: error code.
- */
-int dpu_power_data_bus_state_update(struct dpu_power_handle *phandle,
- bool enable);
-
-/**
- * dpu_power_data_bus_set_quota() - set data bus quota for power client
- * @phandle: power handle containing the resources
- * @client: client information to set quota
- * @bus_client: real-time or non-real-time bus client
- * @bus_id: identifier of data bus, see DPU_POWER_HANDLE_DBUS_ID
- * @ab_quota: arbitrated bus bandwidth
- * @ib_quota: instantaneous bus bandwidth
- *
- * Return: zero if success, or error code otherwise
- */
-int dpu_power_data_bus_set_quota(struct dpu_power_handle *phandle,
- struct dpu_power_client *pclient,
- int bus_client, u32 bus_id,
- u64 ab_quota, u64 ib_quota);
-
/**
* dpu_power_data_bus_bandwidth_ctrl() - control data bus bandwidth enable
* @phandle: power handle containing the resources
--
Sean Paul, Software Engineer, Google / Chromium OS
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