Mdss main power supply (mdss_gdsc) is implemented as a
generic power domain and mdss top level wrapper device
manage it via runtime_pm. Remove custom power management
code from dpu_power_handle.
Changes in v3:
- remove redundant param check from
dpu_power_resource_init() (Sean Paul)
Changes in v2:
- resolved merge conflict in dpu_power_resource_init
- dropped (Reviewed-by: Sean Paul) due to above change
Signed-off-by: Rajesh Yadav <ryadav@xxxxxxxxxxxxxx>
Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/dpu_power_handle.c | 195 +--------------------------------
drivers/gpu/drm/msm/dpu_power_handle.h | 2 -
2 files changed, 1 insertion(+), 196 deletions(-)
diff --git a/drivers/gpu/drm/msm/dpu_power_handle.c b/drivers/gpu/drm/msm/dpu_power_handle.c
index 12602ae..bdf18de 100644
--- a/drivers/gpu/drm/msm/dpu_power_handle.c
+++ b/drivers/gpu/drm/msm/dpu_power_handle.c
@@ -101,150 +101,6 @@ void dpu_power_client_destroy(struct dpu_power_handle *phandle,
}
}
-static int dpu_power_parse_dt_supply(struct platform_device *pdev,
- struct dss_module_power *mp)
-{
- int i = 0, rc = 0;
- u32 tmp = 0;
- struct device_node *of_node = NULL, *supply_root_node = NULL;
- struct device_node *supply_node = NULL;
-
- if (!pdev || !mp) {
- pr_err("invalid input param pdev:%pK mp:%pK\n", pdev, mp);
- return -EINVAL;
- }
-
- of_node = pdev->dev.of_node;
-
- mp->num_vreg = 0;
- supply_root_node = of_get_child_by_name(of_node,
- "qcom,platform-supply-entries");
- if (!supply_root_node) {
- pr_debug("no supply entry present\n");
- return rc;
- }
-
- for_each_child_of_node(supply_root_node, supply_node)
- mp->num_vreg++;
-
- if (mp->num_vreg == 0) {
- pr_debug("no vreg\n");
- return rc;
- }
-
- pr_debug("vreg found. count=%d\n", mp->num_vreg);
- mp->vreg_config = devm_kzalloc(&pdev->dev, sizeof(struct dss_vreg) *
- mp->num_vreg, GFP_KERNEL);
- if (!mp->vreg_config) {
- rc = -ENOMEM;
- return rc;
- }
-
- for_each_child_of_node(supply_root_node, supply_node) {
-
- const char *st = NULL;
-
- rc = of_property_read_string(supply_node,
- "qcom,supply-name", &st);
- if (rc) {
- pr_err("error reading name. rc=%d\n", rc);
- goto error;
- }
-
- strlcpy(mp->vreg_config[i].vreg_name, st,
- sizeof(mp->vreg_config[i].vreg_name));
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-min-voltage", &tmp);
- if (rc) {
- pr_err("error reading min volt. rc=%d\n", rc);
- goto error;
- }
- mp->vreg_config[i].min_voltage = tmp;
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-max-voltage", &tmp);
- if (rc) {
- pr_err("error reading max volt. rc=%d\n", rc);
- goto error;
- }
- mp->vreg_config[i].max_voltage = tmp;
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-enable-load", &tmp);
- if (rc) {
- pr_err("error reading enable load. rc=%d\n", rc);
- goto error;
- }
- mp->vreg_config[i].enable_load = tmp;
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-disable-load", &tmp);
- if (rc) {
- pr_err("error reading disable load. rc=%d\n", rc);
- goto error;
- }
- mp->vreg_config[i].disable_load = tmp;
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-pre-on-sleep", &tmp);
- if (rc)
- pr_debug("error reading supply pre sleep value. rc=%d\n",
- rc);
-
- mp->vreg_config[i].pre_on_sleep = (!rc ? tmp : 0);
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-pre-off-sleep", &tmp);
- if (rc)
- pr_debug("error reading supply pre sleep value. rc=%d\n",
- rc);
-
- mp->vreg_config[i].pre_off_sleep = (!rc ? tmp : 0);
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-post-on-sleep", &tmp);
- if (rc)
- pr_debug("error reading supply post sleep value. rc=%d\n",
- rc);
-
- mp->vreg_config[i].post_on_sleep = (!rc ? tmp : 0);
-
- rc = of_property_read_u32(supply_node,
- "qcom,supply-post-off-sleep", &tmp);
- if (rc)
- pr_debug("error reading supply post sleep value. rc=%d\n",
- rc);
-
- mp->vreg_config[i].post_off_sleep = (!rc ? tmp : 0);
-
- pr_debug("%s min=%d, max=%d, enable=%d, disable=%d, preonsleep=%d, postonsleep=%d, preoffsleep=%d, postoffsleep=%d\n",
- mp->vreg_config[i].vreg_name,
- mp->vreg_config[i].min_voltage,
- mp->vreg_config[i].max_voltage,
- mp->vreg_config[i].enable_load,
- mp->vreg_config[i].disable_load,
- mp->vreg_config[i].pre_on_sleep,
- mp->vreg_config[i].post_on_sleep,
- mp->vreg_config[i].pre_off_sleep,
- mp->vreg_config[i].post_off_sleep);
- ++i;
-
- rc = 0;
- }
-
- return rc;
-
-error:
- if (mp->vreg_config) {
- devm_kfree(&pdev->dev, mp->vreg_config);
- mp->vreg_config = NULL;
- mp->num_vreg = 0;
- }
-
- return rc;
-}
-
#ifdef CONFIG_QCOM_BUS_SCALING
#define MAX_AXI_PORT_COUNT 3
@@ -614,33 +470,13 @@ int dpu_power_resource_init(struct platform_device *pdev,
struct dpu_power_handle *phandle)
{
int rc = 0, i;
- struct dss_module_power *mp;
- if (!phandle || !pdev) {
- pr_err("invalid input param\n");
- rc = -EINVAL;
- goto end;
- }
- mp = &phandle->mp;
phandle->dev = &pdev->dev;
- rc = dpu_power_parse_dt_supply(pdev, mp);
- if (rc) {
- pr_err("device vreg supply parsing failed\n");
- return rc;
- }
-
- rc = msm_dss_config_vreg(&pdev->dev,
- mp->vreg_config, mp->num_vreg, 1);
- if (rc) {
- pr_err("vreg config failed rc=%d\n", rc);
- goto vreg_err;
- }
-
rc = dpu_power_reg_bus_parse(pdev, phandle);
if (rc) {
pr_err("register bus parse failed rc=%d\n", rc);
- goto bus_err;
+ return rc;
}
for (i = DPU_POWER_HANDLE_DBUS_ID_MNOC;
@@ -666,19 +502,12 @@ int dpu_power_resource_init(struct platform_device *pdev,
for (i--; i >= 0; i--)
dpu_power_data_bus_unregister(&phandle->data_bus_handle[i]);
dpu_power_reg_bus_unregister(phandle->reg_bus_hdl);
-bus_err:
- msm_dss_config_vreg(&pdev->dev, mp->vreg_config, mp->num_vreg, 0);
-vreg_err:
- if (mp->vreg_config)
- devm_kfree(&pdev->dev, mp->vreg_config);
- mp->num_vreg = 0;
return rc;
}
void dpu_power_resource_deinit(struct platform_device *pdev,
struct dpu_power_handle *phandle)
{
- struct dss_module_power *mp;
struct dpu_power_client *curr_client, *next_client;
struct dpu_power_event *curr_event, *next_event;
int i;
@@ -687,7 +516,6 @@ void dpu_power_resource_deinit(struct platform_device *pdev,
pr_err("invalid input param\n");
return;
}
- mp = &phandle->mp;
mutex_lock(&phandle->phandle_lock);
list_for_each_entry_safe(curr_client, next_client,
@@ -713,13 +541,6 @@ void dpu_power_resource_deinit(struct platform_device *pdev,
dpu_power_data_bus_unregister(&phandle->data_bus_handle[i]);
dpu_power_reg_bus_unregister(phandle->reg_bus_hdl);
-
- msm_dss_config_vreg(&pdev->dev, mp->vreg_config, mp->num_vreg, 0);
-
- if (mp->vreg_config)
- devm_kfree(&pdev->dev, mp->vreg_config);
-
- mp->num_vreg = 0;
}
int dpu_power_resource_enable(struct dpu_power_handle *phandle,
@@ -729,15 +550,12 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle,
bool changed = false;
u32 max_usecase_ndx = VOTE_INDEX_DISABLE, prev_usecase_ndx;
struct dpu_power_client *client;
- struct dss_module_power *mp;
if (!phandle || !pclient) {
pr_err("invalid input argument\n");
return -EINVAL;
}
- mp = &phandle->mp;
-
mutex_lock(&phandle->phandle_lock);
if (enable)
pclient->refcount++;
@@ -782,13 +600,6 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle,
}
}
- rc = msm_dss_enable_vreg(mp->vreg_config, mp->num_vreg,
- enable);
- if (rc) {
- pr_err("failed to enable vregs rc=%d\n", rc);
- goto vreg_err;
- }
-
rc = dpu_power_reg_bus_update(phandle->reg_bus_hdl,
max_usecase_ndx);
if (rc) {
@@ -806,8 +617,6 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle,
dpu_power_reg_bus_update(phandle->reg_bus_hdl,
max_usecase_ndx);
- msm_dss_enable_vreg(mp->vreg_config, mp->num_vreg,
- enable);
for (i = 0 ; i < DPU_POWER_HANDLE_DBUS_ID_MAX; i++)
dpu_power_data_bus_update(&phandle->data_bus_handle[i],
enable);
@@ -821,8 +630,6 @@ int dpu_power_resource_enable(struct dpu_power_handle *phandle,
return rc;
reg_bus_hdl_err:
- msm_dss_enable_vreg(mp->vreg_config, mp->num_vreg, 0);
-vreg_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:
diff --git a/drivers/gpu/drm/msm/dpu_power_handle.h b/drivers/gpu/drm/msm/dpu_power_handle.h
index 83f048d..9a6d4b9 100644
--- a/drivers/gpu/drm/msm/dpu_power_handle.h
+++ b/drivers/gpu/drm/msm/dpu_power_handle.h
@@ -147,7 +147,6 @@ struct dpu_power_event {
/**
* struct dpu_power_handle: power handle main struct
- * @mp: module power for clock and regulator
* @client_clist: master list to store all clients
* @phandle_lock: lock to synchronize the enable/disable
* @dev: pointer to device structure
@@ -157,7 +156,6 @@ struct dpu_power_event {
* @event_list: current power handle event list
*/
struct dpu_power_handle {
- struct dss_module_power mp;
struct list_head power_client_clist;
struct mutex phandle_lock;
struct device *dev;
--
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