diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 121 |
1 files changed, 71 insertions, 50 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 2dfaf158ef07..fe1d7368c1e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -28,8 +28,6 @@ #include <linux/module.h> #include <linux/dma-buf.h> -const struct kgd2kfd_calls *kgd2kfd; - static const unsigned int compute_vmid_bitmap = 0xFF00; /* Total memory size in system memory and all GPU VRAM. Used to @@ -47,12 +45,9 @@ int amdgpu_amdkfd_init(void) amdgpu_amdkfd_total_mem_size *= si.mem_unit; #ifdef CONFIG_HSA_AMD - ret = kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd); - if (ret) - kgd2kfd = NULL; + ret = kgd2kfd_init(); amdgpu_amdkfd_gpuvm_init_mem_limits(); #else - kgd2kfd = NULL; ret = -ENOENT; #endif @@ -61,17 +56,13 @@ int amdgpu_amdkfd_init(void) void amdgpu_amdkfd_fini(void) { - if (kgd2kfd) - kgd2kfd->exit(); + kgd2kfd_exit(); } void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev) { const struct kfd2kgd_calls *kfd2kgd; - if (!kgd2kfd) - return; - switch (adev->asic_type) { #ifdef CONFIG_DRM_AMDGPU_CIK case CHIP_KAVERI: @@ -98,8 +89,8 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev) return; } - adev->kfd.dev = kgd2kfd->probe((struct kgd_dev *)adev, - adev->pdev, kfd2kgd); + adev->kfd.dev = kgd2kfd_probe((struct kgd_dev *)adev, + adev->pdev, kfd2kgd); if (adev->kfd.dev) amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size; @@ -140,7 +131,7 @@ static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) { - int i, n; + int i; int last_valid_bit; if (adev->kfd.dev) { @@ -151,7 +142,9 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) .gpuvm_size = min(adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT, AMDGPU_GMC_HOLE_START), - .drm_render_minor = adev->ddev->render->index + .drm_render_minor = adev->ddev->render->index, + .sdma_doorbell_idx = adev->doorbell_index.sdma_engine, + }; /* this is going to have a few of the MSBs set that we need to @@ -181,44 +174,29 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) &gpu_resources.doorbell_aperture_size, &gpu_resources.doorbell_start_offset); - if (adev->asic_type < CHIP_VEGA10) { - kgd2kfd->device_init(adev->kfd.dev, &gpu_resources); - return; - } - - n = (adev->asic_type < CHIP_VEGA20) ? 2 : 8; - - for (i = 0; i < n; i += 2) { - /* On SOC15 the BIF is involved in routing - * doorbells using the low 12 bits of the - * address. Communicate the assignments to - * KFD. KFD uses two doorbell pages per - * process in case of 64-bit doorbells so we - * can use each doorbell assignment twice. - */ - gpu_resources.sdma_doorbell[0][i] = - adev->doorbell_index.sdma_engine0 + (i >> 1); - gpu_resources.sdma_doorbell[0][i+1] = - adev->doorbell_index.sdma_engine0 + 0x200 + (i >> 1); - gpu_resources.sdma_doorbell[1][i] = - adev->doorbell_index.sdma_engine1 + (i >> 1); - gpu_resources.sdma_doorbell[1][i+1] = - adev->doorbell_index.sdma_engine1 + 0x200 + (i >> 1); - } - /* Doorbells 0x0e0-0ff and 0x2e0-2ff are reserved for - * SDMA, IH and VCN. So don't use them for the CP. + /* Since SOC15, BIF starts to statically use the + * lower 12 bits of doorbell addresses for routing + * based on settings in registers like + * SDMA0_DOORBELL_RANGE etc.. + * In order to route a doorbell to CP engine, the lower + * 12 bits of its address has to be outside the range + * set for SDMA, VCN, and IH blocks. */ - gpu_resources.reserved_doorbell_mask = 0x1e0; - gpu_resources.reserved_doorbell_val = 0x0e0; + if (adev->asic_type >= CHIP_VEGA10) { + gpu_resources.non_cp_doorbells_start = + adev->doorbell_index.first_non_cp; + gpu_resources.non_cp_doorbells_end = + adev->doorbell_index.last_non_cp; + } - kgd2kfd->device_init(adev->kfd.dev, &gpu_resources); + kgd2kfd_device_init(adev->kfd.dev, &gpu_resources); } } void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev) { if (adev->kfd.dev) { - kgd2kfd->device_exit(adev->kfd.dev); + kgd2kfd_device_exit(adev->kfd.dev); adev->kfd.dev = NULL; } } @@ -227,13 +205,13 @@ void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, const void *ih_ring_entry) { if (adev->kfd.dev) - kgd2kfd->interrupt(adev->kfd.dev, ih_ring_entry); + kgd2kfd_interrupt(adev->kfd.dev, ih_ring_entry); } void amdgpu_amdkfd_suspend(struct amdgpu_device *adev) { if (adev->kfd.dev) - kgd2kfd->suspend(adev->kfd.dev); + kgd2kfd_suspend(adev->kfd.dev); } int amdgpu_amdkfd_resume(struct amdgpu_device *adev) @@ -241,7 +219,7 @@ int amdgpu_amdkfd_resume(struct amdgpu_device *adev) int r = 0; if (adev->kfd.dev) - r = kgd2kfd->resume(adev->kfd.dev); + r = kgd2kfd_resume(adev->kfd.dev); return r; } @@ -251,7 +229,7 @@ int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev) int r = 0; if (adev->kfd.dev) - r = kgd2kfd->pre_reset(adev->kfd.dev); + r = kgd2kfd_pre_reset(adev->kfd.dev); return r; } @@ -261,7 +239,7 @@ int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev) int r = 0; if (adev->kfd.dev) - r = kgd2kfd->post_reset(adev->kfd.dev); + r = kgd2kfd_post_reset(adev->kfd.dev); return r; } @@ -619,4 +597,47 @@ struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void) { return NULL; } + +struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev, + const struct kfd2kgd_calls *f2g) +{ + return NULL; +} + +bool kgd2kfd_device_init(struct kfd_dev *kfd, + const struct kgd2kfd_shared_resources *gpu_resources) +{ + return false; +} + +void kgd2kfd_device_exit(struct kfd_dev *kfd) +{ +} + +void kgd2kfd_exit(void) +{ +} + +void kgd2kfd_suspend(struct kfd_dev *kfd) +{ +} + +int kgd2kfd_resume(struct kfd_dev *kfd) +{ + return 0; +} + +int kgd2kfd_pre_reset(struct kfd_dev *kfd) +{ + return 0; +} + +int kgd2kfd_post_reset(struct kfd_dev *kfd) +{ + return 0; +} + +void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) +{ +} #endif |