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From: Junwei Zhang <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	nicolai.haehnle-5C7GfCeVMHo@public.gmane.org
Cc: Junwei Zhang <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>,
	david1.zhou-5C7GfCeVMHo@public.gmane.org
Subject: [PATCH v2] drm/amdgpu: PRT support for gfx9 (v2)
Date: Wed, 19 Apr 2017 09:53:29 +0800	[thread overview]
Message-ID: <1492566809-7312-1-git-send-email-Jerry.Zhang@amd.com> (raw)

v2: unify PRT bit for all ASICs

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Acked-by: David Zhou <david1.zhou@amd.com>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 +++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 ++-
 2 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 f804d38..f4087c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1473,6 +1473,11 @@ 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_PRT) {
+			flags |= AMDGPU_PTE_PRT;
+			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 0f547c6..8eba2d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -65,7 +65,8 @@
 
 #define AMDGPU_PTE_FRAG(x)	((x & 0x1fULL) << 7)
 
-#define AMDGPU_PTE_PRT		(1ULL << 63)
+/* TILED for VEGA10, reserved for older ASICs  */
+#define AMDGPU_PTE_PRT		(1ULL << 51)
 
 /* VEGA10 only */
 #define AMDGPU_PTE_MTYPE(a)    ((uint64_t)a << 57)
-- 
1.9.1

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             reply	other threads:[~2017-04-19  1:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-19  1:53 Junwei Zhang [this message]
     [not found] ` <1492566809-7312-1-git-send-email-Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>
2017-04-19  7:28   ` [PATCH v2] drm/amdgpu: PRT support for gfx9 (v2) Christian König
     [not found]     ` <b655c990-648a-1e0a-c22f-6cbd32010c71-ANTagKRnAhcb1SvskN2V4Q@public.gmane.org>
2017-04-19  8:10       ` Zhang, Jerry (Junwei)
     [not found]         ` <58F71B88.8040006-5C7GfCeVMHo@public.gmane.org>
2017-04-19 11:40           ` Christian König
     [not found]             ` <3f5eac3c-c7da-58e4-819e-a640785dbfdc-ANTagKRnAhcb1SvskN2V4Q@public.gmane.org>
2017-04-20  6:56               ` Zhang, Jerry (Junwei)

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