[Intel-gfx] [PATCH v3 1/6] drm/i915/ttm: Implement a function to copy the contents of two TTM-based objects

[Matthew Auld]

On 14/09/2021 20:31, Thomas Hellström wrote:
> When backing up or restoring contents of pinned objects at suspend /
> resume time we need to allocate a new object as the backup. Add a function
> to facilitate copies between the two. Some data needs to be copied before
> the migration context is ready for operation, so make sure we can
> disable accelerated copies.
> 
> v2:
> - Fix a missing return value check (Matthew Auld)
> 
> Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>