From 1f7ef80f74b80370a5dbf66e5107609d47ad606d Mon Sep 17 00:00:00 2001
From: Gurchetan Singh <gurchetansingh@chromium.org>
Date: Tue, 21 Sep 2021 16:20:24 -0700
Subject: drm/virtio: implement context init: advertise feature to userspace
Git-commit: 78aa20fa4381623cf59a85d053486f98784ca3a0
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
This advertises the context init feature to userspace, along with
a mask of supported capabilities.
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Acked-by: Lingfeng Yang <lfy@google.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210921232024.817-13-gurchetansingh@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index fdaa7f3d9eeb..5618a1d5879c 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -286,6 +286,12 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
case VIRTGPU_PARAM_CROSS_DEVICE:
value = vgdev->has_resource_assign_uuid ? 1 : 0;
break;
+ case VIRTGPU_PARAM_CONTEXT_INIT:
+ value = vgdev->has_context_init ? 1 : 0;
+ break;
+ case VIRTGPU_PARAM_SUPPORTED_CAPSET_IDs:
+ value = vgdev->capset_id_mask;
+ break;
default:
return -EINVAL;
}
--
2.38.1