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disp: msm: sde: add twm mode sysfs mode

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Add sysfs node on connector to get twm enable
state. This node is used by the HAL to notify TWM
entry and exit.

Change-Id: I56a844076014c2e12075756f6b1bc42b91b48ad1
Signed-off-by: osaisruj <osaisruj@codeaurora.org>
This commit is contained in:
osaisruj 2021-10-29 01:33:47 +05:30
commit 05ccf7d278
2 changed files with 39 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

37
msm/sde/sde_connector.c
View file

@ -2860,10 +2860,46 @@ static ssize_t panel_power_state_show(struct device *device,
return scnprintf(buf, PAGE_SIZE, "%d\n", sde_conn->last_panel_power_mode);
}
static ssize_t twm_enable_store(struct device *device,
struct device_attribute *attr, const char *buf, size_t count)
{
struct drm_connector *conn;
struct sde_connector *sde_conn;
int rc;
int data;
conn = dev_get_drvdata(device);
sde_conn = to_sde_connector(conn);
rc = kstrtoint(buf, 10, &data);
if (rc) {
SDE_ERROR("kstrtoint failed, rc =%d\n", rc);
return -EINVAL;
}
sde_conn->twm_en = data ? true : false;
SDE_DEBUG("TWM: %s\n", sde_conn->twm_en ? "ENABLED" : "DISABLED");
return count;
}
static ssize_t twm_enable_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct drm_connector *conn;
struct sde_connector *sde_conn;
conn = dev_get_drvdata(device);
sde_conn = to_sde_connector(conn);
SDE_DEBUG("TWM: %s\n", sde_conn->twm_en ? "ENABLED" : "DISABLED");
return scnprintf(buf, PAGE_SIZE, "%d\n", sde_conn->twm_en);
}
static DEVICE_ATTR_RO(panel_power_state);
static DEVICE_ATTR_RW(twm_enable);
static struct attribute *sde_connector_dev_attrs[] = {
&dev_attr_panel_power_state.attr,
&dev_attr_twm_enable.attr,
NULL
};
@ -2958,6 +2994,7 @@ struct drm_connector *sde_connector_init(struct drm_device *dev,
c_conn->dpms_mode = DRM_MODE_DPMS_ON;
c_conn->lp_mode = 0;
c_conn->last_panel_power_mode = SDE_MODE_DPMS_ON;
c_conn->twm_en = false;
sde_kms = to_sde_kms(priv->kms);
if (sde_kms->vbif[VBIF_NRT]) {

2
msm/sde/sde_connector.h
View file

@ -470,6 +470,7 @@ struct sde_connector_dyn_hdr_metadata {
* @esd_status_interval: variable to change ESD check interval in millisec
* @panel_dead: Flag to indicate if panel has gone bad
* @esd_status_check: Flag to indicate if ESD thread is scheduled or not
* @twm_en: Flag to indicate if TWM mode is enabled or not
* @bl_scale_dirty: Flag to indicate PP BL scale value(s) is changed
* @bl_scale: BL scale value for ABA feature
* @bl_scale_sv: BL scale value for sunlight visibility feature
@ -533,6 +534,7 @@ struct sde_connector {
u32 esd_status_interval;
bool panel_dead;
bool esd_status_check;
bool twm_en;
bool bl_scale_dirty;
u32 bl_scale;