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drm/amdgpu: Fix a deadlock if previous GEM object allocation fails

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Fall through to handle the error instead of return.

Fixes: f8aab60422 ("drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs")
Cc: stable@vger.kernel.org
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
xinhui pan 2021-08-31 13:49:59 +08:00 • committed by Alex Deucher
parent f7d6779df6
commit 703677d934
1 changed files with 11 additions and 14 deletions
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25
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
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@ -341,21 +341,18 @@ retry:
r = amdgpu_gem_object_create(adev, size, args->in.alignment,
initial_domain,
flags, ttm_bo_type_device, resv, &gobj);
if (r) {
if (r != -ERESTARTSYS) {
if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
goto retry;
}
if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
initial_domain |= AMDGPU_GEM_DOMAIN_GTT;
goto retry;
}
DRM_DEBUG("Failed to allocate GEM object (%llu, %d, %llu, %d)\n",
size, initial_domain, args->in.alignment, r);
if (r && r != -ERESTARTSYS) {
if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
goto retry;
}
return r;
if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
initial_domain |= AMDGPU_GEM_DOMAIN_GTT;
goto retry;
}
DRM_DEBUG("Failed to allocate GEM object (%llu, %d, %llu, %d)\n",
size, initial_domain, args->in.alignment, r);
}
if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) {