diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-03-15 09:17:54 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-03-15 09:17:54 -0300 |
| commit | 689bb69093d7ac9e12ab058ba2611ad5eb9347c3 (patch) | |
| tree | abb9131ea54d7c9df78e192b31a0c09635f8acab /drivers/gpu/drm/udl/udl_main.c | |
| parent | 2a76f6de07906f0bb5f2a13fb02845db1695cc29 (diff) | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/urgent
To update kernel headers and check if some need syncing.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_main.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_main.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 0e2a376cb075..853f147036f6 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -315,6 +315,10 @@ int udl_init(struct udl_device *udl) DRM_DEBUG("\n"); + udl->dmadev = usb_intf_get_dma_device(to_usb_interface(dev->dev)); + if (!udl->dmadev) + drm_warn(dev, "buffer sharing not supported"); /* not an error */ + mutex_init(&udl->gem_lock); if (!udl_parse_vendor_descriptor(udl)) { @@ -343,12 +347,18 @@ int udl_init(struct udl_device *udl) err: if (udl->urbs.count) udl_free_urb_list(dev); + put_device(udl->dmadev); DRM_ERROR("%d\n", ret); return ret; } int udl_drop_usb(struct drm_device *dev) { + struct udl_device *udl = to_udl(dev); + udl_free_urb_list(dev); + put_device(udl->dmadev); + udl->dmadev = NULL; + return 0; } |