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drm/amdgpu: Limit vm max ctx number to 4096

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driver need to reserve resource for each ctx for
some hw features. so add this limitation.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu
2018-10-24 16:10:33 +08:00
committed by Alex Deucher
parent 31edd7c0a8
commit 08d1bdd4cc
2 changed files with 2 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
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@@ -248,7 +248,7 @@ static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
return -ENOMEM;
mutex_lock(&mgr->lock);
r = idr_alloc(&mgr->ctx_handles, ctx, 1, 0, GFP_KERNEL);
r = idr_alloc(&mgr->ctx_handles, ctx, 1, AMDGPU_VM_MAX_NUM_CTX, GFP_KERNEL);
if (r < 0) {
mutex_unlock(&mgr->lock);
kfree(ctx);