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| author | Alex Xie <AlexBin.Xie@amd.com> | 2017-02-14 20:22:57 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-30 06:53:40 +0300 |
| commit | 5463545b9280093f4614049df2dfee3f9e662172 (patch) | |
| tree | 23f702db8d87245034bbdab3956d2192f8458f0c /drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | |
| parent | 4b98e0c4aeb9e246fd877640d45dfbdcdf6283a9 (diff) | |
| download | linux-5463545b9280093f4614049df2dfee3f9e662172.tar.xz | |
drm/amdgpu: add a callback to set vm mapping flags
This lets each asic set whichever flags it supports.
Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-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_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 6a1f566632be..35f74c6d1f29 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -379,6 +379,21 @@ static int gmc_v6_0_gart_set_pte_pde(struct amdgpu_device *adev, return 0; } +static uint64_t gmc_v6_0_get_vm_pte_flags(struct amdgpu_device *adev, + uint32_t flags) +{ + uint64_t pte_flag = 0; + + if (flags & AMDGPU_VM_PAGE_READABLE) + pte_flag |= AMDGPU_PTE_READABLE; + if (flags & AMDGPU_VM_PAGE_WRITEABLE) + pte_flag |= AMDGPU_PTE_WRITEABLE; + if (flags & AMDGPU_VM_PAGE_PRT) + pte_flag |= AMDGPU_PTE_PRT; + + return pte_flag; +} + static void gmc_v6_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) { @@ -1138,6 +1153,7 @@ static const struct amdgpu_gart_funcs gmc_v6_0_gart_funcs = { .flush_gpu_tlb = gmc_v6_0_gart_flush_gpu_tlb, .set_pte_pde = gmc_v6_0_gart_set_pte_pde, .set_prt = gmc_v6_0_set_prt, + .get_vm_pte_flags = gmc_v6_0_get_vm_pte_flags }; static const struct amdgpu_irq_src_funcs gmc_v6_0_irq_funcs = { |