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drm/amdgpu: bind GTT on demand

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We don't really need the GTT table any more most of the time. So bind it
only on demand.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2016-09-05 17:00:57 +02:00
committed by Alex Deucher
parent 71c76a086f
commit c855e25090
8 changed files with 84 additions and 7 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@@ -675,6 +675,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
dev_err(bo->adev->dev, "%p pin failed\n", bo);
goto error;
}
r = amdgpu_ttm_bind(bo->tbo.ttm, &bo->tbo.mem);
if (unlikely(r)) {
dev_err(bo->adev->dev, "%p bind failed\n", bo);
goto error;
}
bo->pin_count = 1;
if (gpu_addr != NULL)
@@ -947,6 +952,8 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct fence *fence,
u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
{
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_TT &&
!amdgpu_ttm_is_bound(bo->tbo.ttm));
WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) &&
!bo->pin_count);