diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 6738df836a70..e7dfb7b44b4b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -24,6 +24,14 @@ #include "amdgpu.h" #define MAX_KIQ_REG_WAIT 100000000 /* in usecs */ +bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev) +{ + /* By now all MMIO pages except mailbox are blocked */ + /* if blocking is enabled in hypervisor. Choose the */ + /* SCRATCH_REG0 to test. */ + return RREG32_NO_KIQ(0xc040) == 0xffffffff; +} + int amdgpu_allocate_static_csa(struct amdgpu_device *adev) { int r; @@ -39,6 +47,12 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev) return 0; } +void amdgpu_free_static_csa(struct amdgpu_device *adev) { + amdgpu_bo_free_kernel(&adev->virt.csa_obj, + &adev->virt.csa_vmid0_addr, + NULL); +} + /* * amdgpu_map_static_csa should be called during amdgpu_vm_init * it maps virtual address "AMDGPU_VA_RESERVED_SIZE - AMDGPU_CSA_SIZE" @@ -107,8 +121,6 @@ void amdgpu_virt_init_setting(struct amdgpu_device *adev) adev->enable_virtual_display = true; adev->cg_flags = 0; adev->pg_flags = 0; - - mutex_init(&adev->virt.lock_reset); } uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg) @@ -228,6 +240,22 @@ int amdgpu_virt_reset_gpu(struct amdgpu_device *adev) } /** + * amdgpu_virt_wait_reset() - wait for reset gpu completed + * @amdgpu: amdgpu device. + * Wait for GPU reset completed. + * Return: Zero if reset success, otherwise will return error. + */ +int amdgpu_virt_wait_reset(struct amdgpu_device *adev) +{ + struct amdgpu_virt *virt = &adev->virt; + + if (!virt->ops || !virt->ops->wait_reset) + return -EINVAL; + + return virt->ops->wait_reset(adev); +} + +/** * amdgpu_virt_alloc_mm_table() - alloc memory for mm table * @amdgpu: amdgpu device. * MM table is used by UVD and VCE for its initialization @@ -296,7 +324,6 @@ int amdgpu_virt_fw_reserve_get_checksum(void *obj, void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) { - uint32_t pf2vf_ver = 0; uint32_t pf2vf_size = 0; uint32_t checksum = 0; uint32_t checkval; @@ -309,9 +336,9 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) adev->virt.fw_reserve.p_pf2vf = (struct amdgim_pf2vf_info_header *)( adev->fw_vram_usage.va + AMDGIM_DATAEXCHANGE_OFFSET); - pf2vf_ver = adev->virt.fw_reserve.p_pf2vf->version; AMDGPU_FW_VRAM_PF2VF_READ(adev, header.size, &pf2vf_size); AMDGPU_FW_VRAM_PF2VF_READ(adev, checksum, &checksum); + AMDGPU_FW_VRAM_PF2VF_READ(adev, feature_flags, &adev->virt.gim_feature); /* pf2vf message must be in 4K */ if (pf2vf_size > 0 && pf2vf_size < 4096) { |