From mboxrd@z Thu Jan 1 00:00:00 1970 From: davidriley@chromium.org Subject: [PATCH 2/4] drm/virtio: Wake up all waiters when capset response comes in. Date: Wed, 5 Jun 2019 16:44:21 -0700 Message-ID: <20190605234423.11348-2-davidriley__17050.9917590365$1559778302$gmane$org@chromium.org> References: <20190605234423.11348-1-davidriley@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190605234423.11348-1-davidriley@chromium.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org Cc: David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org List-Id: virtualization@lists.linuxfoundation.org From: David Riley If multiple callers occur simultaneously, wake them all up. Signed-off-by: David Riley --- 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 e62fe24b1a2e..da71568adb9a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -588,7 +588,7 @@ 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, -- 2.22.0.rc1.311.g5d7573a151-goog