From 676a905b09d533ab3a30da753dba4f2daee97402 Mon Sep 17 00:00:00 2001 From: David Riley Date: Wed, 5 Jun 2019 16:44:21 -0700 Subject: [PATCH] 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 --- 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 2c5eeccb88c0..2bac1cbc5ec8 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -598,7 +598,7 @@ 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, -- 2.25.1