[PATCH] drm/amd/amdgpu: fix BANK_SELECT on Vega10
Roger He
Hongbo.He at amd.com
Thu Aug 24 07:07:20 UTC 2017
BANK_SELECT should always be FRAGMENT_SIZE + 3 due to 8-entry (2^3)
per cache line in L2 TLB for Vega10.
Change-Id: I8cfcff197e2c571c1a547aaed959e492b4a6fe0e
Signed-off-by: Roger He <Hongbo.He at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 4f2788b..a7351ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -143,9 +143,8 @@ static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
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);
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 4395a4f..2a6fa73 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -157,9 +157,8 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
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);
--
2.7.4
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