From: Roger He <Hongbo.He@amd.com>
Date: Thu, 24 Aug 2017 14:57:57 +0800
Subject: drm/amd/amdgpu: fix BANK_SELECT on Vega10 (v2)
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Git-commit: 2959a5346b8943412226c4b51c78f9b6f077c2a0
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
BANK_SELECT should always be FRAGMENT_SIZE + 3 due to 8-entry (2^3)
per cache line in L2 TLB for Vega10.
v2: agd: fix warning
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 5 ++---
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 5 ++---
2 files changed, 4 insertions(+), 6 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -124,7 +124,7 @@ static void gfxhub_v1_0_init_tlb_regs(st
static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
{
- uint32_t tmp, field;
+ uint32_t tmp;
/* Setup L2 cache */
tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
@@ -143,9 +143,8 @@ static void gfxhub_v1_0_init_cache_regs(
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
WREG32_SOC15(GC, 0, mmVM_L2_CNTL2, tmp);
- field = adev->vm_manager.fragment_size;
tmp = mmVM_L2_CNTL3_DEFAULT;
- tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, tmp);
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -138,7 +138,7 @@ static void mmhub_v1_0_init_tlb_regs(str
static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
{
- uint32_t tmp, field;
+ uint32_t tmp;
/* Setup L2 cache */
tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
@@ -157,9 +157,8 @@ static void mmhub_v1_0_init_cache_regs(s
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
- field = adev->vm_manager.fragment_size;
tmp = mmVM_L2_CNTL3_DEFAULT;
- tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);