6.6-stable review patch. If anyone has any objections, please let me know.
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From: Mukul Joshi mukul.joshi@amd.com
[ 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 --- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 3287a39613959..12ee273e87e1e 100644 --- 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,