drm/amdgpu: Move csa related code to separate file

In baremetal, also need to reserve csa for preemption.
so move the csa related code out of sriov.

Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 92 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index f71bc6feea7a..cca794a1f8ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -23,16 +23,6 @@
 
 #include "amdgpu.h"
 
-uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev)
-{
-        uint64_t addr = adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT;
-
-        addr -= AMDGPU_VA_RESERVED_SIZE;
-        addr = amdgpu_gmc_sign_extend(addr);
-
-        return addr;
-}
-
 bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
 {
         /* By now all MMIO pages except mailbox are blocked */
@@ -41,88 +31,6 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
         return RREG32_NO_KIQ(0xc040) == 0xffffffff;
 }
 
-int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo,
-                                u32 domain, uint32_t size)
-{
-        int r;
-        void *ptr;
-
-        r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
-                                domain, bo,
-                                NULL, &ptr);
-        if (!bo)
-                return -ENOMEM;
-
-        memset(ptr, 0, size);
-        return 0;
-}
-
-void amdgpu_free_static_csa(struct amdgpu_bo **bo)
-{
-        amdgpu_bo_free_kernel(bo, NULL, NULL);
-}
-
-/*
- * amdgpu_map_static_csa should be called during amdgpu_vm_init
- * it maps virtual address amdgpu_csa_vaddr() to this VM, and each command
- * submission of GFX should use this virtual address within META_DATA init
- * package to support SRIOV gfx preemption.
- */
-int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
-                          struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va,
-                          uint64_t csa_addr,  uint32_t size)
-{
-        struct ww_acquire_ctx ticket;
-        struct list_head list;
-        struct amdgpu_bo_list_entry pd;
-        struct ttm_validate_buffer csa_tv;
-        int r;
-
-        INIT_LIST_HEAD(&list);
-        INIT_LIST_HEAD(&csa_tv.head);
-        csa_tv.bo = &bo->tbo;
-        csa_tv.shared = true;
-
-        list_add(&csa_tv.head, &list);
-        amdgpu_vm_get_pd_bo(vm, &list, &pd);
-
-        r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
-        if (r) {
-                DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
-                return r;
-        }
-
-        *bo_va = amdgpu_vm_bo_add(adev, vm, bo);
-        if (!*bo_va) {
-                ttm_eu_backoff_reservation(&ticket, &list);
-                DRM_ERROR("failed to create bo_va for static CSA\n");
-                return -ENOMEM;
-        }
-
-        r = amdgpu_vm_alloc_pts(adev, (*bo_va)->base.vm, csa_addr,
-                                size);
-        if (r) {
-                DRM_ERROR("failed to allocate pts for static CSA, err=%d\n", r);
-                amdgpu_vm_bo_rmv(adev, *bo_va);
-                ttm_eu_backoff_reservation(&ticket, &list);
-                return r;
-        }
-
-        r = amdgpu_vm_bo_map(adev, *bo_va, csa_addr, 0, size,
-                             AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
-                             AMDGPU_PTE_EXECUTABLE);
-
-        if (r) {
-                DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r);
-                amdgpu_vm_bo_rmv(adev, *bo_va);
-                ttm_eu_backoff_reservation(&ticket, &list);
-                return r;
-        }
-
-        ttm_eu_backoff_reservation(&ticket, &list);
-        return 0;
-}
-
 void amdgpu_virt_init_setting(struct amdgpu_device *adev)
 {
         /* enable virtual display */