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drm/amdgpu/gmc10: properly set BANK_SELECT and FRAGMENT_SIZE 

These were not aligned for optimal performance for GPUVM.

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tianci Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2019-10-29 17:14:15 -04:00
parent e6f4e274c1
commit 30ef5c7eab
2 changed files with 18 additions and 0 deletions
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9
drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
View File

@ -151,6 +151,15 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp);
tmp = mmGCVM_L2_CNTL3_DEFAULT;
if (adev->gmc.translate_further) {
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
} else {
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
}
WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp);
tmp = mmGCVM_L2_CNTL4_DEFAULT;

9
drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
View File

@ -137,6 +137,15 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL2, tmp);
tmp = mmMMVM_L2_CNTL3_DEFAULT;
if (adev->gmc.translate_further) {
tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
} else {
tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
}
WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL3, tmp);
tmp = mmMMVM_L2_CNTL4_DEFAULT;