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| author | Christian König <christian.koenig@amd.com> | 2019-09-02 14:52:30 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-16 09:59:21 -0500 |
| commit | 71776b6daef66b6d7afdd404c2175dbcac7e1a05 (patch) | |
| tree | 62428d5dd84ecd75c4333ca6f4711d16b9b66fef /drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | |
| parent | 1dd077bbbaacc1302e510871669dc62ee1ef0f70 (diff) | |
| download | linux-71776b6daef66b6d7afdd404c2175dbcac7e1a05.tar.gz linux-71776b6daef66b6d7afdd404c2175dbcac7e1a05.tar.bz2 linux-71776b6daef66b6d7afdd404c2175dbcac7e1a05.zip | |
drm/amdgpu: cleanup mtype mapping
Unify how we map the UAPI flags to the PTE hardware flags for a mapping.
Only the MTYPE is actually ASIC dependent, all other flags should be
copied over 1 to 1 and ASIC differences are handled later on.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 40 |
1 files changed, 10 insertions, 30 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index a639b7241200..36137b3b83e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -397,43 +397,23 @@ static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid * 1 system * 0 valid */ -static uint64_t gmc_v10_0_get_vm_pte_flags(struct amdgpu_device *adev, - uint32_t flags) -{ - uint64_t pte_flag = 0; - - if (flags & AMDGPU_VM_PAGE_EXECUTABLE) - pte_flag |= AMDGPU_PTE_EXECUTABLE; - if (flags & AMDGPU_VM_PAGE_READABLE) - pte_flag |= AMDGPU_PTE_READABLE; - if (flags & AMDGPU_VM_PAGE_WRITEABLE) - pte_flag |= AMDGPU_PTE_WRITEABLE; - switch (flags & AMDGPU_VM_MTYPE_MASK) { +static uint64_t gmc_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags) +{ + switch (flags) { case AMDGPU_VM_MTYPE_DEFAULT: - pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); - break; + return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); case AMDGPU_VM_MTYPE_NC: - pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); - break; + return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); case AMDGPU_VM_MTYPE_WC: - pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_WC); - break; + return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC); case AMDGPU_VM_MTYPE_CC: - pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_CC); - break; + return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC); case AMDGPU_VM_MTYPE_UC: - pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); - break; + return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); default: - pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); - break; + return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); } - - if (flags & AMDGPU_VM_PAGE_PRT) - pte_flag |= AMDGPU_PTE_PRT; - - return pte_flag; } static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level, @@ -464,7 +444,7 @@ static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = { .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb, .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb, .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping, - .get_vm_pte_flags = gmc_v10_0_get_vm_pte_flags, + .map_mtype = gmc_v10_0_map_mtype, .get_vm_pde = gmc_v10_0_get_vm_pde }; |