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authorAlex Deucher <alexander.deucher@amd.com>2020-05-22 18:14:32 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-05-28 17:47:50 -0400
commitec6837591f99245b061d82571331160285306b7a (patch)
tree0b01edfcd7166ca20f56030a7cbe1ba26bc36cb3
parent2a12c4e9f1674432fa06f73026158a7b4698a0b4 (diff)
drm/amdgpu/gmc10: program the smallK fragment size
Explicitly set the smallk size to 0 (4k). This is the hw default, but set it anyway just in case something else changed it. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c4
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
index cc866c367939..6939edfc5232 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
@@ -181,6 +181,10 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp);
+
+ tmp = mmGCVM_L2_CNTL5_DEFAULT;
+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
+ WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp);
}
static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
index fb3f228458e5..616309e85d6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
@@ -164,6 +164,10 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp);
+
+ tmp = mmMMVM_L2_CNTL5_DEFAULT;
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
+ WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp);
}
static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev)