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drm/rockchip: vop2: vcnt event use signal to fill user_data

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The userspace transmits private data through request.signal,
vcnt event return it to userspace through vbl.userdata

Change-Id: I8295a3d4fd91430b3b9fac6c5b6b526e1f266f24
Signed-off-by: Ai ShaoXiang <aisx@rock-chips.com>
This commit is contained in:
Ai ShaoXiang
2022-01-27 16:02:17 +08:00
committed by Tao Huang
parent ac4241d915
commit 7d1001ba5d
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
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@@ -1371,7 +1371,8 @@ static void rockchip_drm_lastclose(struct drm_device *dev)
}
static struct drm_pending_vblank_event *
rockchip_drm_add_vcnt_event(struct drm_crtc *crtc, struct drm_file *file_priv)
rockchip_drm_add_vcnt_event(struct drm_crtc *crtc, union drm_wait_vblank *vblwait,
struct drm_file *file_priv)
{
struct drm_pending_vblank_event *e;
struct drm_device *dev = crtc->dev;
@@ -1385,8 +1386,7 @@ rockchip_drm_add_vcnt_event(struct drm_crtc *crtc, struct drm_file *file_priv)
e->event.base.type = DRM_EVENT_ROCKCHIP_CRTC_VCNT;
e->event.base.length = sizeof(e->event.vbl);
e->event.vbl.crtc_id = crtc->base.id;
/* store crtc pipe id */
e->event.vbl.user_data = e->pipe;
e->event.vbl.user_data = vblwait->request.signal;
spin_lock_irqsave(&dev->event_lock, flags);
drm_event_reserve_init_locked(dev, file_priv, &e->base, &e->event.base);
@@ -1414,7 +1414,7 @@ static int rockchip_drm_get_vcnt_event_ioctl(struct drm_device *dev, void *data,
crtc = drm_crtc_from_index(dev, pipe);
if (flags & _DRM_ROCKCHIP_VCNT_EVENT) {
e = rockchip_drm_add_vcnt_event(crtc, file_priv);
e = rockchip_drm_add_vcnt_event(crtc, vblwait, file_priv);
priv->vcnt[pipe].event = e;
}