diff options
| author | Alex Xie | 2017-02-14 18:22:57 +0100 |
|---|---|---|
| committer | Alex Deucher | 2017-03-30 05:53:40 +0200 |
| commit | 5463545b9280093f4614049df2dfee3f9e662172 (patch) | |
| tree | 23f702db8d87245034bbdab3956d2192f8458f0c /drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | |
| parent | drm/amdgpu: set GART PTE asic specific flags (diff) | |
| download | kernel-qcow2-linux-5463545b9280093f4614049df2dfee3f9e662172.tar.gz kernel-qcow2-linux-5463545b9280093f4614049df2dfee3f9e662172.tar.xz kernel-qcow2-linux-5463545b9280093f4614049df2dfee3f9e662172.zip | |
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_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 9f41d9fa5ed5..dc9b6d62d1ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -451,6 +451,21 @@ static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device *adev, return 0; } +static uint64_t gmc_v7_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; +} + /** * gmc_v8_0_set_fault_enable_default - update VM fault handling * @@ -1323,6 +1338,7 @@ static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs = { .flush_gpu_tlb = gmc_v7_0_gart_flush_gpu_tlb, .set_pte_pde = gmc_v7_0_gart_set_pte_pde, .set_prt = gmc_v7_0_set_prt, + .get_vm_pte_flags = gmc_v7_0_get_vm_pte_flags }; static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = { |