From 235052dafff653cd6c7ee1267198404832cd33c9 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 23 Apr 2020 16:45:10 -0400
Subject: drm/amdgpu: check ring type for secure IBs
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Git-commit: b33f9d70b36889abafec3b638925640ac7c7fe12
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
We don't support secure operation on compute rings at the
moment so reject them.
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 24ae9f6c4255..aebbbb573884 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -162,6 +162,12 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
return -EINVAL;
}
+ 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");
+ return -EINVAL;
+ }
+
alloc_size = ring->funcs->emit_frame_size + num_ibs *
ring->funcs->emit_ib_size;
--
2.28.0