[PATCH] drm/amdgpu: PRT support for gfx9
Zhang, Jerry (Junwei)
Jerry.Zhang at amd.com
Tue Apr 18 01:51:34 UTC 2017
Anyone could help to review it?
On 04/17/2017 05:04 PM, Junwei Zhang wrote:
> Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 +++++
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 1 +
> drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
> 3 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index 9ff445c..51aedf9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1269,6 +1269,11 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
> spin_unlock(&vm->status_lock);
>
> list_for_each_entry(mapping, &bo_va->invalids, list) {
> + if (mapping->flags & AMDGPU_PTE_TILED) {
> + flags |= AMDGPU_PTE_TILED;
> + flags &= ~AMDGPU_PTE_VALID;
> + }
> +
> r = amdgpu_vm_bo_split_mapping(adev, exclusive,
> gtt_flags, pages_addr, vm,
> mapping, flags, mem,
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> index 4904740..8d25914 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
> @@ -70,6 +70,7 @@
> /* VEGA10 only */
> #define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57)
> #define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL)
> +#define AMDGPU_PTE_TILED (1ULL << 51)
>
> /* How to programm VM fault handling */
> #define AMDGPU_VM_FAULT_STOP_NEVER 0
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> index 51a1919..6d033ae 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -324,7 +324,7 @@ static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev,
> }
>
> if (flags & AMDGPU_VM_PAGE_PRT)
> - pte_flag |= AMDGPU_PTE_PRT;
> + pte_flag |= AMDGPU_PTE_TILED;
>
> return pte_flag;
> }
>
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