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drm/amdgpu/gmc10: program the smallK fragment size

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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>
This commit is contained in:
Alex Deucher 2020-05-22 18:14:32 -04:00
parent 2a12c4e9f1
commit ec6837591f
2 changed files with 8 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
View File

@ -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)

4
drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
View File

@ -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)