[PATCH] drm/amdgpu: reject secure submission on rings which don't support it

[Lang Yu]

Only ring GFX, SDMA and VCN_DEC support secure submission at the moment.

Signed-off-by: Lang Yu <Lang.Yu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c   | 4 ++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 8 ++++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index bc1297dcdf97..840304691b92 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -166,8 +166,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	}
 
 	if ((ib->flags & AMDGPU_IB_FLAGS_SECURE) &&
-	    (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE)) {
-		dev_err(adev->dev, "secure submissions not supported on compute rings\n");
+	    !amdgpu_ring_secure_submission_supported(ring)) {
+		dev_err(adev->dev, "secure submissions not supported on ring <%s>\n", ring->name);
 		return -EINVAL;
 	}
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index a8bed1b47899..3afe3d60e194 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -363,6 +363,14 @@ static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring,
 	ring->count_dw -= count_dw;
 }
 
+static inline
+bool amdgpu_ring_secure_submission_supported(struct amdgpu_ring *ring)
+{
+	return (ring->funcs->type == AMDGPU_RING_TYPE_GFX ||
+		ring->funcs->type == AMDGPU_RING_TYPE_SDMA ||
+		ring->funcs->type == AMDGPU_RING_TYPE_VCN_DEC);
+}
+
 int amdgpu_ring_test_helper(struct amdgpu_ring *ring);
 
 void amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
-- 
2.25.1