Am 21.05.21 um 14:45 schrieb Nirmoy Das:
Add has_shadow to identify if a BO is shadowed.
Ok that is not going into the right direction.
Instead of identifying which BOs have a shadow we need to identify if
this is a VM BO or not.
I think the first think you need to do is to move the shadow handling
from amdgpu_cs_validate() into amdgpu_vm_validate_pt_bos().
And then do it only for ttm_bo_type_kernel BOs, cause those are the
PD/PT BOs.
Regards,
Christian.
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 5 ++---
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 61b1edcb490a..eb3ce33cbfff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -619,6 +619,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
}
if (!bp->resv)
amdgpu_bo_unreserve(bo);
+ bo->has_shadow = false;
*bo_ptr = bo;
trace_amdgpu_bo_create(bo);
@@ -657,6 +658,7 @@ int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
r = amdgpu_bo_create(adev, &bp, &bo->shadow);
if (!r) {
bo->shadow->parent = amdgpu_bo_ref(bo);
+ bo->has_shadow = true;
mutex_lock(&adev->shadow_list_lock);
list_add_tail(&bo->shadow->shadow_list, &adev->shadow_list);
mutex_unlock(&adev->shadow_list_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index a7fbf5f7051e..3a0e6ca88563 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -104,9 +104,8 @@ struct amdgpu_bo {
struct amdgpu_vm_bo_base *vm_bo;
/* Constant after initialization */
struct amdgpu_bo *parent;
- struct amdgpu_bo *shadow;
-
-
+ struct amdgpu_bo *shadow;
+ bool has_shadow;
#ifdef CONFIG_MMU_NOTIFIER
struct mmu_interval_notifier notifier;
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