From: Chia-I Wu Date: Wed, 31 Aug 2022 19:06:01 +0000 (-0700) Subject: drm/virtio: set fb_modifiers_not_supported X-Git-Tag: v6.1-rc1~159^2~17^2~7 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=85faca8ca0f659263b5fb2385e4c231cc075bd84;p=thirdparty%2Flinux.git drm/virtio: set fb_modifiers_not_supported Without this, the drm core advertises LINEAR modifier which is incorrect. Also userspace virgl does not support modifiers. For example, it causes chrome on ozone/drm to fail with "Failed to create scanout buffer". Fixes: 2af104290da5 ("drm: introduce fb_modifiers_not_supported flag in mode_config") Suggested-by: Shao-Chuan Lee Signed-off-by: Chia-I Wu Link: http://patchwork.freedesktop.org/patch/msgid/20220831190601.1295129-1-olvaffe@gmail.com Signed-off-by: Gerd Hoffmann --- diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 5c7f198c07120..9ea7611a9e0fc 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -349,6 +349,8 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev) vgdev->ddev->mode_config.max_width = XRES_MAX; vgdev->ddev->mode_config.max_height = YRES_MAX; + vgdev->ddev->mode_config.fb_modifiers_not_supported = true; + for (i = 0 ; i < vgdev->num_scanouts; ++i) vgdev_output_init(vgdev, i);