From 43b9176faae1543d1a190db8eb098a8284d364f3 Mon Sep 17 00:00:00 2001
From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Fri, 28 Apr 2017 16:14:59 -0400
Subject: [PATCH] drm/amdgpu: Reserve 0-2 invalidation reg sets for none-amdgpu
usages
Firmware used reg set 2 for tlb invalidation. AMDGPU can start from reg
set 3 to avoid the conflict. AMDKFD will use the reg set 0 or 1 when
necesary.
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewws-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index e5d4dfeae3fe9..dc1e1c1d6b243 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -386,7 +386,7 @@ static int gmc_v9_0_early_init(void *handle)
static int gmc_v9_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 0 };
+ unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 3, 3 };
unsigned i;
for(i = 0; i < adev->num_rings; ++i) {
--
2.30.2