diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c index e22cb2b5cd92..3939761be31c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c @@ -45,7 +45,11 @@ */ static inline u64 amdgpu_seq64_get_va_base(struct amdgpu_device *adev) { - return AMDGPU_VA_RESERVED_SEQ64_START(adev); + u64 addr = AMDGPU_VA_RESERVED_SEQ64_START(adev); + + addr = amdgpu_gmc_sign_extend(addr); + + return addr; } /** @@ -63,9 +67,9 @@ static inline u64 amdgpu_seq64_get_va_base(struct amdgpu_device *adev) int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct amdgpu_bo_va **bo_va) { + u64 seq64_addr, va_flags; struct amdgpu_bo *bo; struct drm_exec exec; - u64 seq64_addr; int r; bo = adev->seq64.sbo; @@ -88,9 +92,11 @@ int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm, goto error; } - seq64_addr = amdgpu_seq64_get_va_base(adev); + seq64_addr = amdgpu_seq64_get_va_base(adev) & AMDGPU_GMC_HOLE_MASK; + + va_flags = amdgpu_gem_va_map_flags(adev, AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_MTYPE_UC); r = amdgpu_vm_bo_map(adev, *bo_va, seq64_addr, 0, AMDGPU_VA_RESERVED_SEQ64_SIZE, - AMDGPU_PTE_READABLE); + va_flags); if (r) { DRM_ERROR("failed to do bo_map on userq sem, err=%d\n", r); amdgpu_vm_bo_del(adev, *bo_va); @@ -156,6 +162,7 @@ error: * * @adev: amdgpu_device pointer * @va: VA to access the seq in process address space + * @gpu_addr: GPU address to access the seq * @cpu_addr: CPU address to access the seq * * Alloc a 64 bit memory from seq64 pool. @@ -163,7 +170,8 @@ error: * Returns: * 0 on success or a negative error code on failure */ -int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va, u64 **cpu_addr) +int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va, + u64 *gpu_addr, u64 **cpu_addr) { unsigned long bit_pos; @@ -172,7 +180,12 @@ int amdgpu_seq64_alloc(struct amdgpu_device *adev, u64 *va, u64 **cpu_addr) return -ENOSPC; __set_bit(bit_pos, adev->seq64.used); + *va = bit_pos * sizeof(u64) + amdgpu_seq64_get_va_base(adev); + + if (gpu_addr) + *gpu_addr = bit_pos * sizeof(u64) + adev->seq64.gpu_addr; + *cpu_addr = bit_pos + adev->seq64.cpu_base_addr; return 0; @@ -233,7 +246,7 @@ int amdgpu_seq64_init(struct amdgpu_device *adev) */ r = amdgpu_bo_create_kernel(adev, AMDGPU_VA_RESERVED_SEQ64_SIZE, PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, - &adev->seq64.sbo, NULL, + &adev->seq64.sbo, &adev->seq64.gpu_addr, (void **)&adev->seq64.cpu_base_addr); if (r) { dev_warn(adev->dev, "(%d) create seq64 failed\n", r); |