diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index e7dfb7b44b4b..b832651d2137 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |||
@@ -24,6 +24,18 @@ | |||
24 | #include "amdgpu.h" | 24 | #include "amdgpu.h" |
25 | #define MAX_KIQ_REG_WAIT 100000000 /* in usecs */ | 25 | #define MAX_KIQ_REG_WAIT 100000000 /* in usecs */ |
26 | 26 | ||
27 | uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev) | ||
28 | { | ||
29 | uint64_t addr = adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT; | ||
30 | |||
31 | addr -= AMDGPU_VA_RESERVED_SIZE; | ||
32 | |||
33 | if (addr >= AMDGPU_VA_HOLE_START) | ||
34 | addr |= AMDGPU_VA_HOLE_END; | ||
35 | |||
36 | return addr; | ||
37 | } | ||
38 | |||
27 | bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev) | 39 | bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev) |
28 | { | 40 | { |
29 | /* By now all MMIO pages except mailbox are blocked */ | 41 | /* By now all MMIO pages except mailbox are blocked */ |
@@ -55,14 +67,14 @@ void amdgpu_free_static_csa(struct amdgpu_device *adev) { | |||
55 | 67 | ||
56 | /* | 68 | /* |
57 | * amdgpu_map_static_csa should be called during amdgpu_vm_init | 69 | * amdgpu_map_static_csa should be called during amdgpu_vm_init |
58 | * it maps virtual address "AMDGPU_VA_RESERVED_SIZE - AMDGPU_CSA_SIZE" | 70 | * it maps virtual address amdgpu_csa_vaddr() to this VM, and each command |
59 | * to this VM, and each command submission of GFX should use this virtual | 71 | * submission of GFX should use this virtual address within META_DATA init |
60 | * address within META_DATA init package to support SRIOV gfx preemption. | 72 | * package to support SRIOV gfx preemption. |
61 | */ | 73 | */ |
62 | |||
63 | int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, | 74 | int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, |
64 | struct amdgpu_bo_va **bo_va) | 75 | struct amdgpu_bo_va **bo_va) |
65 | { | 76 | { |
77 | uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_VA_HOLE_MASK; | ||
66 | struct ww_acquire_ctx ticket; | 78 | struct ww_acquire_ctx ticket; |
67 | struct list_head list; | 79 | struct list_head list; |
68 | struct amdgpu_bo_list_entry pd; | 80 | struct amdgpu_bo_list_entry pd; |
@@ -90,7 +102,7 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, | |||
90 | return -ENOMEM; | 102 | return -ENOMEM; |
91 | } | 103 | } |
92 | 104 | ||
93 | r = amdgpu_vm_alloc_pts(adev, (*bo_va)->base.vm, AMDGPU_CSA_VADDR, | 105 | r = amdgpu_vm_alloc_pts(adev, (*bo_va)->base.vm, csa_addr, |
94 | AMDGPU_CSA_SIZE); | 106 | AMDGPU_CSA_SIZE); |
95 | if (r) { | 107 | if (r) { |
96 | DRM_ERROR("failed to allocate pts for static CSA, err=%d\n", r); | 108 | DRM_ERROR("failed to allocate pts for static CSA, err=%d\n", r); |
@@ -99,7 +111,7 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, | |||
99 | return r; | 111 | return r; |
100 | } | 112 | } |
101 | 113 | ||
102 | r = amdgpu_vm_bo_map(adev, *bo_va, AMDGPU_CSA_VADDR, 0, AMDGPU_CSA_SIZE, | 114 | r = amdgpu_vm_bo_map(adev, *bo_va, csa_addr, 0, AMDGPU_CSA_SIZE, |
103 | AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE | | 115 | AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE | |
104 | AMDGPU_PTE_EXECUTABLE); | 116 | AMDGPU_PTE_EXECUTABLE); |
105 | 117 | ||