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Commit 05ccf7d2 authored by osaisruj's avatar osaisruj
Browse files

disp: msm: sde: add twm mode sysfs mode 



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: default avatarosaisruj <osaisruj@codeaurora.org>
parent 0dd45aa2

msm/sde/sde_connector.c

+37 −0
Original line number Diff line number Diff line
@@ -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]) {

msm/sde/sde_connector.h

+2 −0
Original line number Diff line number Diff line
@@ -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;