[AMD Public Use]

Reviewed-by: Hawking Zhang <[email protected]>

Regards,
Hawking
-----Original Message-----
From: Gao, Likun <[email protected]> 
Sent: Wednesday, November 25, 2020 21:12
To: [email protected]
Cc: Zhang, Hawking <[email protected]>; Gao, Likun <[email protected]>
Subject: [PATCH] drm/amdgpu: increase reserved VRAM size to 8MB

From: Likun Gao <[email protected]>

4MB reserved VRAM size which used for page tables was not enough for some 
condition, increase it to 8MB to reduce page table contention.

Signed-off-by: Likun Gao <[email protected]>
Change-Id: Ibbc0c14a75bd0e57d77e30b7140a144f4030114a
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index fa7d181934e5..1ed130d518a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -104,7 +104,7 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_VM_FAULT_STOP_ALWAYS    2
 
 /* Reserve 4MB VRAM for page tables */
-#define AMDGPU_VM_RESERVED_VRAM                (4ULL << 20)
+#define AMDGPU_VM_RESERVED_VRAM                (8ULL << 20)
 
 /* max number of VMHUB */
 #define AMDGPU_MAX_VMHUBS                      3
--
2.25.1
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