drm/amdkfd: Use correct drm device for cgroup permission check

[ Upstream commit 4119734e06a7f30e7e8eb666692a58b85dca0269 ]

On GFX 9.4.3, for a given KFD node, fetch the correct drm device from
XCP manager when checking for cgroup permissions.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 3287a39613959d1786f119dc948e221002700d70..12ee273e87e1e3253ce51363dd05dfe09c0a4d70 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1482,10 +1482,15 @@ void kfd_dec_compute_active(struct kfd_node *dev);
 
 /* Cgroup Support */
 /* Check with device cgroup if @kfd device is accessible */
-static inline int kfd_devcgroup_check_permission(struct kfd_node *kfd)
+static inline int kfd_devcgroup_check_permission(struct kfd_node *node)
 {
 #if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF)
-       struct drm_device *ddev = adev_to_drm(kfd->adev);
+       struct drm_device *ddev;
+
+       if (node->xcp)
+               ddev = node->xcp->ddev;
+       else
+               ddev = adev_to_drm(node->adev);
 
        return devcgroup_check_permission(DEVCG_DEV_CHAR, DRM_MAJOR,
                                          ddev->render->index,