From 32bb6b58d01bcbfe75bf4830cd006e424ec1c10c Mon Sep 17 00:00:00 2001 From: David Riley Date: Wed, 5 Jun 2019 16:44:21 -0700 Subject: [PATCH] UPSTREAM: drm/virtio: Wake up all waiters when capset response comes in. If multiple callers occur simultaneously, wake them all up. Signed-off-by: David Riley Link: http://patchwork.freedesktop.org/patch/msgid/20190605234423.11348-2-davidriley@chromium.org Signed-off-by: Gerd Hoffmann (cherry picked from commit 676a905b09d533ab3a30da753dba4f2daee97402) Signed-off-by: Greg Hartman BUG: 139386237 Change-Id: Ia6b18613dded27f78417c34d19604bbaa5e53901 --- drivers/gpu/drm/virtio/virtgpu_vq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index f3840418299c..661dd1416307 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -600,7 +600,7 @@ static void virtio_gpu_cmd_capset_cb(struct virtio_gpu_device *vgdev, } } spin_unlock(&vgdev->display_info_lock); - wake_up(&vgdev->resp_wq); + wake_up_all(&vgdev->resp_wq); } static int virtio_get_edid_block(void *data, u8 *buf,