Am 06.04.2016 um 18:06 schrieb Sinclair Yeh:
> I don't know much about AMD gpu. Patches 1-6 look good to me.
Does that count as a Reviewed-by or at least Acked-by?
Thanks for taking a look,
Christian.
>
>
> On Wed, Apr 06, 2016 at 11:12:02AM +0200, Christian König wrote:
>> From: Christian König <christian.koenig at amd.com>
>>
>> When we use an extern reservation object that otherwise waits for every
>> fence registered with it.
>>
>> Signed-off-by: Christian König <christian.koenig at amd.com>
>> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>> ---
>> drivers/gpu/drm/ttm/ttm_bo.c | 18 ++++++++++++------
>> 1 file changed, 12 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
>> index 4cbf265..367b87b 100644
>> --- a/drivers/gpu/drm/ttm/ttm_bo.c
>> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
>> @@ -998,13 +998,19 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object
>> *bo,
>> lockdep_assert_held(&bo->resv->lock.base);
>>
>> /*
>> - * FIXME: It's possible to pipeline buffer moves.
>> - * Have the driver move function wait for idle when necessary,
>> - * instead of doing it here.
>> + * Don't wait for the BO on initial allocation. This is important when
>> + * the BO has an imported reservation object.
>> */
>> - ret = ttm_bo_wait(bo, false, interruptible, no_wait_gpu);
>> - if (ret)
>> - return ret;
>> + if (bo->mem.mem_type != TTM_PL_SYSTEM || bo->ttm != NULL) {
>> + /*
>> + * FIXME: It's possible to pipeline buffer moves.
>> + * Have the driver move function wait for idle when necessary,
>> + * instead of doing it here.
>> + */
>> + ret = ttm_bo_wait(bo, false, interruptible, no_wait_gpu);
>> + if (ret)
>> + return ret;
>> + }
>> mem.num_pages = bo->num_pages;
>> mem.size = mem.num_pages << PAGE_SHIFT;
>> mem.page_alignment = bo->mem.page_alignment;
>> --
>> 2.5.0
>>
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