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techpack: display: Add dynamic_fps node

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Change-Id: I3caa088d98511e472f6264ed69fd3df2ad35f433
This commit is contained in:
Arian 2022-09-21 17:56:56 +02:00 committed by Giovanni Ricca
parent a2f80b8575
commit 76703a3aa9
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2 changed files with 85 additions and 0 deletions
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83
techpack/display/msm/dsi/dsi_display.c
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@ -5663,6 +5663,81 @@ static int dsi_display_pre_acquire(void *data)
return 0;
}
int dsi_display_get_fps(struct dsi_display *display, u32 *fps)
{
struct dsi_display_mode *cur_mode = NULL;
int ret = 0;
if (!display || !display->panel) {
DSI_ERR("Invalid display/panel ptr\n");
return -EINVAL;
}
mutex_lock(&display->display_lock);
cur_mode = display->panel->cur_mode;
if (cur_mode) {
*fps = cur_mode->timing.refresh_rate;
} else {
ret = -EINVAL;
}
mutex_unlock(&display->display_lock);
return ret;
}
static ssize_t dynamic_fps_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct dsi_display *display;
u32 fps = 0;
int rc = 0;
struct platform_device *pdev = to_platform_device(dev);
display = platform_get_drvdata(pdev);
if (!display) {
DSI_ERR("Invalid display\n");
return -EINVAL;
}
rc = dsi_display_get_fps(display, &fps);
if (rc) {
DSI_ERR("%s: failed to get fps. rc=%d\n", __func__, rc);
return snprintf(buf, PAGE_SIZE, "%s\n", "null");
}
return snprintf(buf, PAGE_SIZE, "%d\n", fps);
}
static DEVICE_ATTR_RO(dynamic_fps);
static struct attribute *mi_display_attrs[] = {
&dev_attr_dynamic_fps.attr,
NULL,
};
ATTRIBUTE_GROUPS(mi_display);
void dsi_mi_display_init(struct dsi_display *display) {
int disp_id = mi_get_disp_id(display);
if (IS_ERR_OR_NULL(display->class)) {
display->class = class_create(THIS_MODULE, "mi_display");
if (IS_ERR(display->class))
DSI_ERR("class_create failed, rc: %d\n", PTR_ERR(display->class));
}
if (IS_ERR_OR_NULL(display->dev)) {
display->dev = device_create_with_groups(display->class, &display->pdev->dev,
0, display, mi_display_groups, "disp-DSI-%d", disp_id);
if (IS_ERR(display->dev))
DSI_ERR("device_create_with_groups failed for disp-DSI-%d, ret: %d\n", disp_id, PTR_ERR(display->dev));
}
}
void dsi_mi_display_deinit(struct dsi_display *display) {
device_unregister(display->dev);
class_destroy(display->class);
}
/**
* dsi_display_bind - bind dsi device with controlling device
* @dev: Pointer to base of platform device
@ -5872,6 +5947,8 @@ static int dsi_display_bind(struct device *dev,
msm_register_vm_event(master, dev, &vm_event_ops, (void *)display);
dsi_mi_display_init(display);
goto error;
error_host_deinit:
@ -5945,6 +6022,8 @@ static void dsi_display_unbind(struct device *dev,
atomic_set(&display->clkrate_change_pending, 0);
(void)dsi_display_debugfs_deinit(display);
dsi_mi_display_deinit(display);
mutex_unlock(&display->display_lock);
}
@ -7548,6 +7627,10 @@ int dsi_display_set_mode(struct dsi_display *display,
SDE_EVT32(adj_mode.priv_info->mdp_transfer_time_us,
timing.h_active, timing.v_active, timing.refresh_rate);
if (display->panel->cur_mode->timing.refresh_rate != timing.refresh_rate) {
sysfs_notify(&display->dev->kobj, NULL, "dynamic_fps");
}
memcpy(display->panel->cur_mode, &adj_mode, sizeof(adj_mode));
error:
mutex_unlock(&display->display_lock);

2
techpack/display/msm/dsi/dsi_display.h
View File

@ -204,6 +204,8 @@ struct dsi_display {
struct drm_device *drm_dev;
struct drm_connector *drm_conn;
struct drm_connector *ext_conn;
struct class *class;
struct device *dev;
const char *name;
const char *display_type;