/* * Copyright 2008 Advanced Micro Devices, Inc. * Copyright 2008 Red Hat Inc. * Copyright 2009 Jerome Glisse. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Dave Airlie * Alex Deucher * Jerome Glisse */ #include #include "amdgpu.h" #include #include "amdgpu_uvd.h" #include "amdgpu_vce.h" #include #include #include #if defined(CONFIG_VGA_SWITCHEROO) bool amdgpu_has_atpx(void); #else static inline bool amdgpu_has_atpx(void) { return false; } #endif /** * amdgpu_driver_unload_kms - Main unload function for KMS. * * @dev: drm dev pointer * * This is the main unload function for KMS (all asics). * Returns 0 on success. */ int amdgpu_driver_unload_kms(struct drm_device *dev) { struct amdgpu_device *adev = dev->dev_private; if (adev == NULL) return 0; if (adev->rmmio == NULL) goto done_free; pm_runtime_get_sync(dev->dev); amdgpu_acpi_fini(adev); amdgpu_device_fini(adev); done_free: kfree(adev); dev->dev_private = NULL; return 0; } /** * amdgpu_driver_load_kms - Main load function for KMS. * * @dev: drm dev pointer * @flags: device flags * * This is the main load function for KMS (all asics). * Returns 0 on success, error on failure. */ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) { struct amdgpu_device *adev; int r, acpi_status; adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL); if (adev == NULL) { return -ENOMEM; } dev->dev_private = (void *)adev; if ((amdgpu_runtime_pm != 0) && amdgpu_has_atpx() && ((flags & AMDGPU_IS_APU) == 0)) flags |= AMDGPU_IS_PX; /* amdgpu_device_init should report only fatal error * like memory allocation failure or iomapping failure, * or memory manager initialization failure, it must * properly initialize the GPU MC controller and permit * VRAM allocation */ r = amdgpu_device_init(adev, dev, dev->pdev, flags); if (r) { dev_err(&dev->pdev->dev, "Fatal error during GPU init\n"); goto out; } /* Call ACPI methods: require modeset init * but failure is not fatal */ if (!r) { acpi_status = amdgpu_acpi_init(adev); if (acpi_status) dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n"); } if (amdgpu_device_is_px(dev)) { pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); pm_runtime_set_active(dev->dev); pm_runtime_allow(dev->dev); pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); } out: if (r) amdgpu_driver_unload_kms(dev); return r; } /* * Userspace get information ioctl */ /** * amdgpu_info_ioctl - answer a device specific request. * * @adev: amdgpu device pointer * @data: request object * @filp: drm filp * * This function is used to pass device specific parameters to the userspace * drivers. Examples include: pci device id, pipeline parms, tiling params, * etc. (all asics). * Returns 0 on success, -EINVAL on failure. */ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct amdgpu_device *adev = dev->dev_private; struct drm_amdgpu_info *info = data; struct amdgpu_mode_info *minfo = &adev->mode_info; void __user *out = (void __user *)(long)info->return_pointer; uint32_t size = info->return_size; struct drm_crtc *crtc; uint32_t ui32 = 0; uint64_t ui64 = 0; int i, found; if (!info->return_size || !info->return_pointer) return -EINVAL; switch (info->query) { case AMDGPU_INFO_ACCEL_WORKING: ui32 = adev->accel_working; return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; case AMDGPU_INFO_CRTC_FROM_ID: for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) { crtc = (struct drm_crtc *)minfo->crtcs[i]; if (crtc && crtc->base.id == info->mode_crtc.id) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); ui32 = amdgpu_crtc->crtc_id; found = 1; break; } } if (!found) { DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id); return -EINVAL; } return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; case AMDGPU_INFO_HW_IP_INFO: { struct drm_amdgpu_info_hw_ip ip = {}; enum amdgpu_ip_block_type type; uint32_t ring_mask = 0; if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT) return -EINVAL; switch (info->query_hw_ip.type) { case AMDGPU_HW_IP_GFX: type = AMDGPU_IP_BLOCK_TYPE_GFX; for (i = 0; i < adev->gfx.num_gfx_rings; i++) ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i); break; case AMDGPU_HW_IP_COMPUTE: type = AMDGPU_IP_BLOCK_TYPE_GFX; for (i = 0; i < adev->gfx.num_compute_rings; i++) ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i); break; case AMDGPU_HW_IP_DMA: type = AMDGPU_IP_BLOCK_TYPE_SDMA; ring_mask = adev->sdma[0].ring.ready ? 1 : 0; ring_mask |= ((adev->sdma[1].ring.ready ? 1 : 0) << 1); break; case AMDGPU_HW_IP_UVD: type = AMDGPU_IP_BLOCK_TYPE_UVD; ring_mask = adev->uvd.ring.ready ? 1 : 0; break; case AMDGPU_HW_IP_VCE: type = AMDGPU_IP_BLOCK_TYPE_VCE; for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++) ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i); break; default: return -EINVAL; } for (i = 0; i < adev->num_ip_blocks; i++) { if (adev->ip_blocks[i].type == type && adev->ip_block_enabled[i]) { ip.hw_ip_version_major = adev->ip_blocks[i].major; ip.hw_ip_version_minor = adev->ip_blocks[i].minor; ip.capabilities_flags = 0; ip.available_rings = ring_mask; break; } } return copy_to_user(out, &ip, min((size_t)size, sizeof(ip))) ? -EFAULT : 0; } case AMDGPU_INFO_HW_IP_COUNT: { enum amdgpu_ip_block_type type; uint32_t count = 0; switch (info->query_hw_ip.type) { case AMDGPU_HW_IP_GFX: type = AMDGPU_IP_BLOCK_TYPE_GFX; break; case AMDGPU_HW_IP_COMPUTE: type = AMDGPU_IP_BLOCK_TYPE_GFX; break; case AMDGPU_HW_IP_DMA: type = AMDGPU_IP_BLOCK_TYPE_SDMA; break; case AMDGPU_HW_IP_UVD: type = AMDGPU_IP_BLOCK_TYPE_UVD; break; case AMDGPU_HW_IP_VCE: type = AMDGPU_IP_BLOCK_TYPE_VCE; break; default: return -EINVAL; } for (i = 0; i < adev->num_ip_blocks; i++) if (adev->ip_blocks[i].type == type && adev->ip_block_enabled[i] && count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT) count++; return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0; } case AMDGPU_INFO_TIMESTAMP: ui64 = amdgpu_asic_get_gpu_clock_counter(adev); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_FW_VERSION: { struct drm_amdgpu_info_firmware fw_info; /* We only support one instance of each IP block right now. */ if (info->query_fw.ip_instance != 0) return -EINVAL; switch (info->query_fw.fw_type) { case AMDGPU_INFO_FW_VCE: fw_info.ver = adev->vce.fw_version; fw_info.feature = adev->vce.fb_version; break; case AMDGPU_INFO_FW_UVD: fw_info.ver = 0; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GMC: fw_info.ver = adev->mc.fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GFX_ME: fw_info.ver = adev->gfx.me_fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GFX_PFP: fw_info.ver = adev->gfx.pfp_fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GFX_CE: fw_info.ver = adev->gfx.ce_fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GFX_RLC: fw_info.ver = adev->gfx.rlc_fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GFX_MEC: if (info->query_fw.index == 0) fw_info.ver = adev->gfx.mec_fw_version; else if (info->query_fw.index == 1) fw_info.ver = adev->gfx.mec2_fw_version; else return -EINVAL; fw_info.feature = 0; break; case AMDGPU_INFO_FW_SMC: fw_info.ver = adev->pm.fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_SDMA: if (info->query_fw.index >= 2) return -EINVAL; fw_info.ver = adev->sdma[info->query_fw.index].fw_version; fw_info.feature = 0; break; default: return -EINVAL; } return copy_to_user(out, &fw_info, min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0; } case AMDGPU_INFO_NUM_BYTES_MOVED: ui64 = atomic64_read(&adev->num_bytes_moved); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_VRAM_USAGE: ui64 = atomic64_read(&adev->vram_usage); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_VIS_VRAM_USAGE: ui64 = atomic64_read(&adev->vram_vis_usage); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_GTT_USAGE: ui64 = atomic64_read(&adev->gtt_usage); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_GDS_CONFIG: { struct drm_amdgpu_info_gds gds_info; memset(&gds_info, 0, sizeof(gds_info)); gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT; gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT; gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT; gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT; gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT; gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT; gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT; return copy_to_user(out, &gds_info, min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0; } case AMDGPU_INFO_VRAM_GTT: { struct drm_amdgpu_info_vram_gtt vram_gtt; vram_gtt.vram_size = adev->mc.real_vram_size; vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size; vram_gtt.vram_cpu_accessible_size -= adev->vram_pin_size; vram_gtt.gtt_size = adev->mc.gtt_size; vram_gtt.gtt_size -= adev->gart_pin_size; return copy_to_user(out, &vram_gtt, min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0; } case AMDGPU_INFO_READ_MMR_REG: { unsigned n, alloc_size = info->read_mmr_reg.count * 4; uint32_t *regs; unsigned se_num = (info->read_mmr_reg.instance >> AMDGPU_INFO_MMR_SE_INDEX_SHIFT) & AMDGPU_INFO_MMR_SE_INDEX_MASK; unsigned sh_num = (info->read_mmr_reg.instance >> AMDGPU_INFO_MMR_SH_INDEX_SHIFT) & AMDGPU_INFO_MMR_SH_INDEX_MASK; /* set full masks if the userspace set all bits * in the bitfields */ if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) se_num = 0xffffffff; if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) sh_num = 0xffffffff; regs = kmalloc(alloc_size, GFP_KERNEL); if (!regs) return -ENOMEM; for (i = 0; i < info->read_mmr_reg.count; i++) if (amdgpu_asic_read_register(adev, se_num, sh_num, info->read_mmr_reg.dword_offset + i, ®s[i])) { DRM_DEBUG_KMS("unallowed offset %#x\n", info->read_mmr_reg.dword_offset + i); kfree(regs); return -EFAULT; } n = copy_to_user(out, regs, min(size, alloc_size)); kfree(regs); return n ? -EFAULT : 0; } case AMDGPU_INFO_DEV_INFO: { struct drm_amdgpu_info_device dev_info; struct amdgpu_cu_info cu_info; dev_info.device_id = dev->pdev->device; dev_info.chip_rev = adev->rev_id; dev_info.external_rev = adev->external_rev_id; dev_info.pci_rev = dev->pdev->revision; dev_info.family = adev->family; dev_info.num_shader_engines = adev->gfx.config.max_shader_engines; dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se; /* return all clocks in KHz */ dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10; if (adev->pm.dpm_enabled) dev_info.max_engine_clock = adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10; else dev_info.max_engine_clock = adev->pm.default_sclk * 10; dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask; dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se * adev->gfx.config.max_shader_engines; dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts; dev_info._pad = 0; dev_info.ids_flags = 0; if (adev->flags & AMDGPU_IS_APU) dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION; dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE; dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE; dev_info.virtual_address_alignment = max(PAGE_SIZE, 0x10000UL); dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) * AMDGPU_GPU_PAGE_SIZE; dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE; amdgpu_asic_get_cu_info(adev, &cu_info); dev_info.cu_active_number = cu_info.number; dev_info.cu_ao_mask = cu_info.ao_cu_mask; memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); return copy_to_user(out, &dev_info, min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; } default: DRM_DEBUG_KMS("Invalid request %d\n", info->query); return -EINVAL; } return 0; } /* * Outdated mess for old drm with Xorg being in charge (void function now). */ /** * amdgpu_driver_firstopen_kms - drm callback for last close * * @dev: drm dev pointer * * Switch vga switcheroo state after last close (all asics). */ void amdgpu_driver_lastclose_kms(struct drm_device *dev) { vga_switcheroo_process_delayed_switch(); } /** * amdgpu_driver_open_kms - drm callback for open * * @dev: drm dev pointer * @file_priv: drm file * * On device open, init vm on cayman+ (all asics). * Returns 0 on success, error on failure. */ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; struct amdgpu_fpriv *fpriv; int r; file_priv->driver_priv = NULL; r = pm_runtime_get_sync(dev->dev); if (r < 0) return r; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) return -ENOMEM; r = amdgpu_vm_init(adev, &fpriv->vm); if (r) goto error_free; mutex_init(&fpriv->bo_list_lock); idr_init(&fpriv->bo_list_handles); /* init context manager */ mutex_init(&fpriv->ctx_mgr.lock); idr_init(&fpriv->ctx_mgr.ctx_handles); fpriv->ctx_mgr.adev = adev; file_priv->driver_priv = fpriv; pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return 0; error_free: kfree(fpriv); return r; } /** * amdgpu_driver_postclose_kms - drm callback for post close * * @dev: drm dev pointer * @file_priv: drm file * * On device post close, tear down vm on cayman+ (all asics). */ void amdgpu_driver_postclose_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; struct amdgpu_fpriv *fpriv = file_priv->driver_priv; struct amdgpu_bo_list *list; int handle; if (!fpriv) return; amdgpu_vm_fini(adev, &fpriv->vm); idr_for_each_entry(&fpriv->bo_list_handles, list, handle) amdgpu_bo_list_free(list); idr_destroy(&fpriv->bo_list_handles); mutex_destroy(&fpriv->bo_list_lock); /* release context */ amdgpu_ctx_fini(fpriv); kfree(fpriv); file_priv->driver_priv = NULL; } /** * amdgpu_driver_preclose_kms - drm callback for pre close * * @dev: drm dev pointer * @file_priv: drm file * * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx * (all asics). */ void amdgpu_driver_preclose_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; amdgpu_uvd_free_handles(adev, file_priv); amdgpu_vce_free_handles(adev, file_priv); } /* * VBlank related functions. */ /** * amdgpu_get_vblank_counter_kms - get frame count * * @dev: drm dev pointer * @crtc: crtc to get the frame count from * * Gets the frame count on the requested crtc (all asics). * Returns frame count on success, -EINVAL on failure. */ u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, int crtc) { struct amdgpu_device *adev = dev->dev_private; if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { DRM_ERROR("Invalid crtc %d\n", crtc); return -EINVAL; } return amdgpu_display_vblank_get_counter(adev, crtc); } /** * amdgpu_enable_vblank_kms - enable vblank interrupt * * @dev: drm dev pointer * @crtc: crtc to enable vblank interrupt for * * Enable the interrupt on the requested crtc (all asics). * Returns 0 on success, -EINVAL on failure. */ int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc) { struct amdgpu_device *adev = dev->dev_private; int idx = amdgpu_crtc_idx_to_irq_type(adev, crtc); return amdgpu_irq_get(adev, &adev->crtc_irq, idx); } /** * amdgpu_disable_vblank_kms - disable vblank interrupt * * @dev: drm dev pointer * @crtc: crtc to disable vblank interrupt for * * Disable the interrupt on the requested crtc (all asics). */ void amdgpu_disable_vblank_kms(struct drm_device *dev, int crtc) { struct amdgpu_device *adev = dev->dev_private; int idx = amdgpu_crtc_idx_to_irq_type(adev, crtc); amdgpu_irq_put(adev, &adev->crtc_irq, idx); } /** * amdgpu_get_vblank_timestamp_kms - get vblank timestamp * * @dev: drm dev pointer * @crtc: crtc to get the timestamp for * @max_error: max error * @vblank_time: time value * @flags: flags passed to the driver * * Gets the timestamp on the requested crtc based on the * scanout position. (all asics). * Returns postive status flags on success, negative error on failure. */ int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, int *max_error, struct timeval *vblank_time, unsigned flags) { struct drm_crtc *drmcrtc; struct amdgpu_device *adev = dev->dev_private; if (crtc < 0 || crtc >= dev->num_crtcs) { DRM_ERROR("Invalid crtc %d\n", crtc); return -EINVAL; } /* Get associated drm_crtc: */ drmcrtc = &adev->mode_info.crtcs[crtc]->base; /* Helper routine in DRM core does all the work: */ return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error, vblank_time, flags, drmcrtc, &drmcrtc->hwmode); } const struct drm_ioctl_desc amdgpu_ioctls_kms[] = { DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), /* KMS */ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_UNLOCKED|DRM_RENDER_ALLOW), }; int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);