[PATCH 10/10] drm/amdgpu: stop removing BOs from the LRU v3

Zhou, David(ChunMing) David1.Zhou at amd.com
Wed May 29 13:10:42 UTC 2019


Patch #1,#5,#6,#8,#9,#10 are Reviewed-by: Chunming Zhou <david1.zhou at amd.com>
Patch #2,#3,#4 are Acked-by: Chunming Zhou <david1.zhou at amd.com>

-David

> -----Original Message-----
> From: dri-devel <dri-devel-bounces at lists.freedesktop.org> On Behalf Of
> Christian K?nig
> Sent: Wednesday, May 29, 2019 8:27 PM
> To: dri-devel at lists.freedesktop.org; amd-gfx at lists.freedesktop.org
> Subject: [PATCH 10/10] drm/amdgpu: stop removing BOs from the LRU v3
> 
> This avoids OOM situations when we have lots of threads submitting at the
> same time.
> 
> v3: apply this to the whole driver, not just CS
> 
> Signed-off-by: Christian K├Ânig <christian.koenig at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c     | 2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c    | 2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c    | 4 ++--
>  drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +-
>  4 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 20f2955d2a55..3e2da24cd17a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -648,7 +648,7 @@ static int amdgpu_cs_parser_bos(struct
> amdgpu_cs_parser *p,
>  	}
> 
>  	r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true,
> -				   &duplicates, true);
> +				   &duplicates, false);
>  	if (unlikely(r != 0)) {
>  		if (r != -ERESTARTSYS)
>  			DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
> index 06f83cac0d3a..f660628e6af9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
> @@ -79,7 +79,7 @@ int amdgpu_map_static_csa(struct amdgpu_device
> *adev, struct amdgpu_vm *vm,
>  	list_add(&csa_tv.head, &list);
>  	amdgpu_vm_get_pd_bo(vm, &list, &pd);
> 
> -	r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL, true);
> +	r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL, false);
>  	if (r) {
>  		DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
>  		return r;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index d513a5ad03dd..ed25a4e14404 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -171,7 +171,7 @@ void amdgpu_gem_object_close(struct
> drm_gem_object *obj,
> 
>  	amdgpu_vm_get_pd_bo(vm, &list, &vm_pd);
> 
> -	r = ttm_eu_reserve_buffers(&ticket, &list, false, &duplicates, true);
> +	r = ttm_eu_reserve_buffers(&ticket, &list, false, &duplicates, false);
>  	if (r) {
>  		dev_err(adev->dev, "leaking bo va because "
>  			"we fail to reserve bo (%d)\n", r);
> @@ -608,7 +608,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev,
> void *data,
> 
>  	amdgpu_vm_get_pd_bo(&fpriv->vm, &list, &vm_pd);
> 
> -	r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates, true);
> +	r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates, false);
>  	if (r)
>  		goto error_unref;
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> index c430e8259038..d60593cc436e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> @@ -155,7 +155,7 @@ static inline int amdgpu_bo_reserve(struct
> amdgpu_bo *bo, bool no_intr)
>  	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
>  	int r;
> 
> -	r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
> +	r = __ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
>  	if (unlikely(r != 0)) {
>  		if (r != -ERESTARTSYS)
>  			dev_err(adev->dev, "%p reserve failed\n", bo);
> --
> 2.17.1
> 
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