| /* |
| * 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 <drm/drmP.h> |
| #include "amdgpu.h" |
| #include <drm/amdgpu_drm.h> |
| #include "amdgpu_uvd.h" |
| #include "amdgpu_vce.h" |
| |
| #include <linux/vga_switcheroo.h> |
| #include <linux/slab.h> |
| #include <linux/pm_runtime.h> |
| #include "amdgpu_amdkfd.h" |
| |
| #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_amdkfd_device_fini(adev); |
| |
| 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 & AMD_IS_APU) == 0)) |
| flags |= AMD_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"); |
| } |
| |
| amdgpu_amdkfd_load_interface(adev); |
| amdgpu_amdkfd_device_probe(adev); |
| amdgpu_amdkfd_device_init(adev); |
| |
| 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 amd_ip_block_type type; |
| uint32_t ring_mask = 0; |
| uint32_t ib_start_alignment = 0; |
| uint32_t ib_size_alignment = 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 = AMD_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); |
| ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; |
| ib_size_alignment = 8; |
| break; |
| case AMDGPU_HW_IP_COMPUTE: |
| type = AMD_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); |
| ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; |
| ib_size_alignment = 8; |
| break; |
| case AMDGPU_HW_IP_DMA: |
| type = AMD_IP_BLOCK_TYPE_SDMA; |
| for (i = 0; i < adev->sdma.num_instances; i++) |
| ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i); |
| ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; |
| ib_size_alignment = 1; |
| break; |
| case AMDGPU_HW_IP_UVD: |
| type = AMD_IP_BLOCK_TYPE_UVD; |
| ring_mask = adev->uvd.ring.ready ? 1 : 0; |
| ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; |
| ib_size_alignment = 8; |
| break; |
| case AMDGPU_HW_IP_VCE: |
| type = AMD_IP_BLOCK_TYPE_VCE; |
| for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++) |
| ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i); |
| ib_start_alignment = AMDGPU_GPU_PAGE_SIZE; |
| ib_size_alignment = 8; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| for (i = 0; i < adev->num_ip_blocks; i++) { |
| if (adev->ip_blocks[i].type == type && |
| adev->ip_block_status[i].valid) { |
| 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; |
| ip.ib_start_alignment = ib_start_alignment; |
| ip.ib_size_alignment = ib_size_alignment; |
| break; |
| } |
| } |
| return copy_to_user(out, &ip, |
| min((size_t)size, sizeof(ip))) ? -EFAULT : 0; |
| } |
| case AMDGPU_INFO_HW_IP_COUNT: { |
| enum amd_ip_block_type type; |
| uint32_t count = 0; |
| |
| switch (info->query_hw_ip.type) { |
| case AMDGPU_HW_IP_GFX: |
| type = AMD_IP_BLOCK_TYPE_GFX; |
| break; |
| case AMDGPU_HW_IP_COMPUTE: |
| type = AMD_IP_BLOCK_TYPE_GFX; |
| break; |
| case AMDGPU_HW_IP_DMA: |
| type = AMD_IP_BLOCK_TYPE_SDMA; |
| break; |
| case AMDGPU_HW_IP_UVD: |
| type = AMD_IP_BLOCK_TYPE_UVD; |
| break; |
| case AMDGPU_HW_IP_VCE: |
| type = AMD_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_status[i].valid && |
| 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 = adev->gfx.me_feature_version; |
| break; |
| case AMDGPU_INFO_FW_GFX_PFP: |
| fw_info.ver = adev->gfx.pfp_fw_version; |
| fw_info.feature = adev->gfx.pfp_feature_version; |
| break; |
| case AMDGPU_INFO_FW_GFX_CE: |
| fw_info.ver = adev->gfx.ce_fw_version; |
| fw_info.feature = adev->gfx.ce_feature_version; |
| break; |
| case AMDGPU_INFO_FW_GFX_RLC: |
| fw_info.ver = adev->gfx.rlc_fw_version; |
| fw_info.feature = adev->gfx.rlc_feature_version; |
| break; |
| case AMDGPU_INFO_FW_GFX_MEC: |
| if (info->query_fw.index == 0) { |
| fw_info.ver = adev->gfx.mec_fw_version; |
| fw_info.feature = adev->gfx.mec_feature_version; |
| } else if (info->query_fw.index == 1) { |
| fw_info.ver = adev->gfx.mec2_fw_version; |
| fw_info.feature = adev->gfx.mec2_feature_version; |
| } else |
| return -EINVAL; |
| 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 >= adev->sdma.num_instances) |
| return -EINVAL; |
| fw_info.ver = adev->sdma.instance[info->query_fw.index].fw_version; |
| fw_info.feature = adev->sdma.instance[info->query_fw.index].feature_version; |
| 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; |
| 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_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL); |
| if (!regs) |
| return -ENOMEM; |
| alloc_size = info->read_mmr_reg.count * sizeof(*regs); |
| |
| 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; |
| dev_info.max_memory_clock = |
| adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10; |
| } else { |
| dev_info.max_engine_clock = adev->pm.default_sclk * 10; |
| dev_info.max_memory_clock = adev->pm.default_mclk * 10; |
| } |
| dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask; |
| dev_info.num_rb_pipes = adev->gfx.config.num_rbs; |
| dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts; |
| dev_info._pad = 0; |
| dev_info.ids_flags = 0; |
| if (adev->flags & AMD_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((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE); |
| 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; |
| dev_info.ce_ram_size = adev->gfx.ce_ram_size; |
| memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); |
| dev_info.vram_type = adev->mc.vram_type; |
| dev_info.vram_bit_width = adev->mc.vram_width; |
| dev_info.vce_harvest_config = adev->vce.harvest_config; |
| |
| 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_lastclose_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) |
| { |
| struct amdgpu_device *adev = dev->dev_private; |
| |
| amdgpu_fbdev_restore_mode(adev); |
| 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); |
| |
| amdgpu_ctx_mgr_init(&fpriv->ctx_mgr); |
| |
| 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_ctx_mgr_fini(&fpriv->ctx_mgr); |
| |
| 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); |
| |
| 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 |
| * @pipe: 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, unsigned int pipe) |
| { |
| struct amdgpu_device *adev = dev->dev_private; |
| int vpos, hpos, stat; |
| u32 count; |
| |
| if (pipe >= adev->mode_info.num_crtc) { |
| DRM_ERROR("Invalid crtc %u\n", pipe); |
| return -EINVAL; |
| } |
| |
| /* The hw increments its frame counter at start of vsync, not at start |
| * of vblank, as is required by DRM core vblank counter handling. |
| * Cook the hw count here to make it appear to the caller as if it |
| * incremented at start of vblank. We measure distance to start of |
| * vblank in vpos. vpos therefore will be >= 0 between start of vblank |
| * and start of vsync, so vpos >= 0 means to bump the hw frame counter |
| * result by 1 to give the proper appearance to caller. |
| */ |
| if (adev->mode_info.crtcs[pipe]) { |
| /* Repeat readout if needed to provide stable result if |
| * we cross start of vsync during the queries. |
| */ |
| do { |
| count = amdgpu_display_vblank_get_counter(adev, pipe); |
| /* Ask amdgpu_get_crtc_scanoutpos to return vpos as |
| * distance to start of vblank, instead of regular |
| * vertical scanout pos. |
| */ |
| stat = amdgpu_get_crtc_scanoutpos( |
| dev, pipe, GET_DISTANCE_TO_VBLANKSTART, |
| &vpos, &hpos, NULL, NULL, |
| &adev->mode_info.crtcs[pipe]->base.hwmode); |
| } while (count != amdgpu_display_vblank_get_counter(adev, pipe)); |
| |
| if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != |
| (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) { |
| DRM_DEBUG_VBL("Query failed! stat %d\n", stat); |
| } else { |
| DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n", |
| pipe, vpos); |
| |
| /* Bump counter if we are at >= leading edge of vblank, |
| * but before vsync where vpos would turn negative and |
| * the hw counter really increments. |
| */ |
| if (vpos >= 0) |
| count++; |
| } |
| } else { |
| /* Fallback to use value as is. */ |
| count = amdgpu_display_vblank_get_counter(adev, pipe); |
| DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n"); |
| } |
| |
| return count; |
| } |
| |
| /** |
| * amdgpu_enable_vblank_kms - enable vblank interrupt |
| * |
| * @dev: drm dev pointer |
| * @pipe: 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, unsigned int pipe) |
| { |
| struct amdgpu_device *adev = dev->dev_private; |
| int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe); |
| |
| return amdgpu_irq_get(adev, &adev->crtc_irq, idx); |
| } |
| |
| /** |
| * amdgpu_disable_vblank_kms - disable vblank interrupt |
| * |
| * @dev: drm dev pointer |
| * @pipe: crtc to disable vblank interrupt for |
| * |
| * Disable the interrupt on the requested crtc (all asics). |
| */ |
| void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe) |
| { |
| struct amdgpu_device *adev = dev->dev_private; |
| int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe); |
| |
| 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, unsigned int pipe, |
| int *max_error, |
| struct timeval *vblank_time, |
| unsigned flags) |
| { |
| struct drm_crtc *crtc; |
| struct amdgpu_device *adev = dev->dev_private; |
| |
| if (pipe >= dev->num_crtcs) { |
| DRM_ERROR("Invalid crtc %u\n", pipe); |
| return -EINVAL; |
| } |
| |
| /* Get associated drm_crtc: */ |
| crtc = &adev->mode_info.crtcs[pipe]->base; |
| if (!crtc) { |
| /* This can occur on driver load if some component fails to |
| * initialize completely and driver is unloaded */ |
| DRM_ERROR("Uninitialized crtc %d\n", pipe); |
| return -EINVAL; |
| } |
| |
| /* Helper routine in DRM core does all the work: */ |
| return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error, |
| vblank_time, flags, |
| &crtc->hwmode); |
| } |
| |
| const struct drm_ioctl_desc amdgpu_ioctls_kms[] = { |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| /* KMS */ |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), |
| }; |
| int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms); |