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authorBorislav Petkov <bp@suse.de>2021-03-15 10:49:00 +0100
committerBorislav Petkov <bp@suse.de>2021-03-15 10:49:00 +0100
commitaa7680f6fe21ba92c3d633e345f85d4125cd56f1 (patch)
tree238310342ae16eb5a2cdc9e032d972936cc3fe77 /drivers/gpu/drm/udl/udl_main.c
parentd0962f2b24c99889a386f0658c71535f56358f77 (diff)
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
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Merge tag 'v5.12-rc3' into x86/core
Pick up dependent SEV-ES urgent changes to base new work ontop. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_main.c')
-rw-r--r--drivers/gpu/drm/udl/udl_main.c10
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;
}