[PATCH libdrm] amdgpu: add amdgpu_bo_handle_type_kms_noimport

[Michel Dänzer]

On 2018-07-17 09:33 AM, Christian König wrote:
> Am 17.07.2018 um 09:26 schrieb Michel Dänzer:
>> On 2018-07-17 08:50 AM, Christian König wrote:
>>> Am 16.07.2018 um 18:05 schrieb Michel Dänzer:
>>>> On 2018-07-13 08:47 PM, Marek Olšák wrote:
>>>> [SNIP]
>>>> Other opinions?
>>> I understand the reason why Marek wants to do this, but I agree that
>>> this is a little bit dangerous if used incorrectly.
>>>
>>> On the other hand I don't see any other way to sanely handle it either.
>> Sanely handle what exactly? :) I still haven't seen any description of
>> an actual problem, other than "the handle is stored in the hash table".
> 
> Well the problem is that it's not "the handle" but rather "all handles"
> which are now stored in the hash table.
> 
> To begin with that is quite a bunch of wasted memory, not talking about
> the extra CPU cycles.

All that should be needed is one struct list_head per BO, 16 bytes on
64-bit.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer