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| author |   xinhui pan <xinhui.pan@amd.com> | 2021-08-31 13:49:59 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-08-31 14:20:08 -0400 |
| commit | 703677d9345d87d7288ed8a2483ca424af7d4b3b (patch) | |
| tree | 86eb106eab5cbc693e7020b1ec45b76670843dbe /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | drm/amdgpu: stop scheduler when calling hw_fini (v2) (diff) | |
| download | linux-dev-703677d9345d87d7288ed8a2483ca424af7d4b3b.tar.xz linux-dev-703677d9345d87d7288ed8a2483ca424af7d4b3b.zip | |
drm/amdgpu: Fix a deadlock if previous GEM object allocation fails
Fall through to handle the error instead of return.
Fixes: f8aab60422c37 ("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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index cb07cc3b06ed..d6aa032890ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -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 (r && 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 (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) { + initial_domain |= AMDGPU_GEM_DOMAIN_GTT; + goto retry; } - return r; + 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) { |