Commit 4119734e authored by Mukul Joshi's avatar Mukul Joshi Committed by Alex Deucher
Browse files

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



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: default avatarMukul Joshi <mukul.joshi@amd.com>
Reviewed-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c49bf4fc

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

+7 −2
Original line number Diff line number Diff line
@@ -1488,10 +1488,15 @@ 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,