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| author | Tom St Denis <tom.stdenis@amd.com> | 2017-06-12 12:30:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-06-15 11:50:31 -0400 |
| commit | 805cb75ccb4276abec57a431f952ecb70299c550 (patch) | |
| tree | cd77d98fc689b7a7f5c05ad32990b455f0e627e2 /drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | |
| parent | f7047402d1b79c30b83a46739608f10e369949b1 (diff) | |
| download | blackbird-op-linux-805cb75ccb4276abec57a431f952ecb70299c550.tar.gz blackbird-op-linux-805cb75ccb4276abec57a431f952ecb70299c550.zip | |
drm/amd/amdgpu: Cleanup gfxhub read-modify-write patterns
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 1c0b1aaaa48b..a42f483767e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -71,7 +71,6 @@ static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev) static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; - uint32_t tmp; /* Disable AGP. */ WREG32_SOC15(GC, 0, mmMC_VM_AGP_BASE, 0); @@ -98,10 +97,8 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, (u32)((u64)adev->dummy_page.addr >> 44)); - tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2); - tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2, - ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); - WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp); + WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2, + ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); } static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev) @@ -278,9 +275,7 @@ void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev) WREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ - tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL); - tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); - WREG32_SOC15(GC, 0, mmVM_L2_CNTL, tmp); + WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0); WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0); } |
