samsung-sm8650/android_kernel_samsung_sm8650-modules
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Merge "disp: msm: add support to notify retire frame event"

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This commit is contained in:
qctecmdr
2020-09-21 03:57:31 -07:00
committed by Gerrit - the friendly Code Review server
parent 21a74c8c10 e3f6420cee
commit 8f16ccc93b
2 changed files with 36 additions and 0 deletions
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32
msm/sde/sde_crtc.c
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@@ -380,14 +380,33 @@ static ssize_t vsync_event_show(struct device *device,
ktime_to_ns(sde_crtc->vblank_last_cb_time));
}
static ssize_t retire_frame_event_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
if (!device || !buf) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
crtc = dev_get_drvdata(device);
sde_crtc = to_sde_crtc(crtc);
return scnprintf(buf, PAGE_SIZE, "RETIRE_FRAME_TIME=%llu\n",
ktime_to_ns(sde_crtc->retire_frame_event_time));
}
static DEVICE_ATTR_RO(vsync_event);
static DEVICE_ATTR_RO(measured_fps);
static DEVICE_ATTR_RW(fps_periodicity_ms);
static DEVICE_ATTR_RO(retire_frame_event);
static struct attribute *sde_crtc_dev_attrs[] = {
&dev_attr_vsync_event.attr,
&dev_attr_measured_fps.attr,
&dev_attr_fps_periodicity_ms.attr,
&dev_attr_retire_frame_event.attr,
NULL
};
@@ -411,6 +430,8 @@ static void sde_crtc_destroy(struct drm_crtc *crtc)
if (sde_crtc->vsync_event_sf)
sysfs_put(sde_crtc->vsync_event_sf);
if (sde_crtc->retire_frame_event_sf)
sysfs_put(sde_crtc->retire_frame_event_sf);
if (sde_crtc->sysfs_dev)
device_unregister(sde_crtc->sysfs_dev);
@@ -2242,6 +2263,12 @@ static void sde_crtc_frame_event_cb(void *data, u32 event)
}
}
if ((event & SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE) &&
(sde_crtc && sde_crtc->retire_frame_event_sf)) {
sde_crtc->retire_frame_event_time = ktime_get();
sysfs_notify_dirent(sde_crtc->retire_frame_event_sf);
}
fevent->event = event;
fevent->crtc = crtc;
fevent->connector = cb_data->connector;
@@ -6657,6 +6684,11 @@ int sde_crtc_post_init(struct drm_device *dev, struct drm_crtc *crtc)
SDE_ERROR("crtc:%d vsync_event sysfs create failed\n",
crtc->base.id);
sde_crtc->retire_frame_event_sf = sysfs_get_dirent(
sde_crtc->sysfs_dev->kobj.sd, "retire_frame_event");
if (!sde_crtc->retire_frame_event_sf)
SDE_ERROR("crtc:%d retire frame event sysfs create failed\n",
crtc->base.id);
end:
return rc;
}