mirror of https://gitee.com/openkylin/linux.git
drm/amdgpu: add flag to delay VM updates
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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@ -525,8 +525,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
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return -EINVAL;
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}
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invalid_flags = ~(AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE |
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AMDGPU_VM_PAGE_EXECUTABLE);
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invalid_flags = ~(AMDGPU_VM_DELAY_UPDATE | AMDGPU_VM_PAGE_READABLE |
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AMDGPU_VM_PAGE_WRITEABLE | AMDGPU_VM_PAGE_EXECUTABLE);
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if ((args->flags & invalid_flags)) {
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dev_err(&dev->pdev->dev, "invalid flags 0x%08X vs 0x%08X\n",
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args->flags, invalid_flags);
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@ -579,7 +579,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
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break;
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}
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if (!r)
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if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE))
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amdgpu_gem_va_update_vm(adev, bo_va);
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drm_gem_object_unreference_unlocked(gobj);
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@ -313,6 +313,9 @@ struct drm_amdgpu_gem_op {
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#define AMDGPU_VA_OP_MAP 1
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#define AMDGPU_VA_OP_UNMAP 2
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/* Delay the page table update till the next CS */
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#define AMDGPU_VM_DELAY_UPDATE (1 << 0)
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/* Mapping flags */
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/* readable mapping */
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#define AMDGPU_VM_PAGE_READABLE (1 << 1)
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