diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 266 |
1 files changed, 243 insertions, 23 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index b0bf2f24da48..8843a06360fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1,10 +1,3 @@ -/** - * \file amdgpu_drv.c - * AMD Amdgpu driver - * - * \author Gareth Hughes <gareth@valinux.com> - */ - /* * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. @@ -76,9 +69,10 @@ * - 3.24.0 - Add high priority compute support for gfx9 * - 3.25.0 - Add support for sensor query info (stable pstate sclk/mclk). * - 3.26.0 - GFX9: Process AMDGPU_IB_FLAG_TC_WB_NOT_INVALIDATE. + * - 3.27.0 - Add new chunk to to AMDGPU_CS to enable BO_LIST creation. */ #define KMS_DRIVER_MAJOR 3 -#define KMS_DRIVER_MINOR 26 +#define KMS_DRIVER_MINOR 27 #define KMS_DRIVER_PATCHLEVEL 0 int amdgpu_vram_limit = 0; @@ -110,11 +104,8 @@ int amdgpu_vram_page_split = 512; int amdgpu_vm_update_mode = -1; int amdgpu_exp_hw_support = 0; int amdgpu_dc = -1; -int amdgpu_dc_log = 0; int amdgpu_sched_jobs = 32; int amdgpu_sched_hw_submission = 2; -int amdgpu_no_evict = 0; -int amdgpu_direct_gma_size = 0; uint amdgpu_pcie_gen_cap = 0; uint amdgpu_pcie_lane_cap = 0; uint amdgpu_cg_mask = 0xffffffff; @@ -122,7 +113,8 @@ uint amdgpu_pg_mask = 0xffffffff; uint amdgpu_sdma_phase_quantum = 32; char *amdgpu_disable_cu = NULL; char *amdgpu_virtual_display = NULL; -uint amdgpu_pp_feature_mask = 0xffff3fff; /* gfxoff (bit 15) disabled by default */ +/* OverDrive(bit 14),gfxoff(bit 15),stutter mode(bit 17) disabled by default*/ +uint amdgpu_pp_feature_mask = 0xfffd3fff; int amdgpu_ngg = 0; int amdgpu_prim_buf_per_se = 0; int amdgpu_pos_buf_per_se = 0; @@ -135,163 +127,368 @@ int amdgpu_gpu_recovery = -1; /* auto */ int amdgpu_emu_mode = 0; uint amdgpu_smu_memory_pool_size = 0; +/** + * DOC: vramlimit (int) + * Restrict the total amount of VRAM in MiB for testing. The default is 0 (Use full VRAM). + */ MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); +/** + * DOC: vis_vramlimit (int) + * Restrict the amount of CPU visible VRAM in MiB for testing. The default is 0 (Use full CPU visible VRAM). + */ MODULE_PARM_DESC(vis_vramlimit, "Restrict visible VRAM for testing, in megabytes"); module_param_named(vis_vramlimit, amdgpu_vis_vram_limit, int, 0444); +/** + * DOC: gartsize (uint) + * Restrict the size of GART in Mib (32, 64, etc.) for testing. The default is -1 (The size depends on asic). + */ MODULE_PARM_DESC(gartsize, "Size of GART to setup in megabytes (32, 64, etc., -1=auto)"); module_param_named(gartsize, amdgpu_gart_size, uint, 0600); +/** + * DOC: gttsize (int) + * Restrict the size of GTT domain in MiB for testing. The default is -1 (It's VRAM size if 3GB < VRAM < 3/4 RAM, + * otherwise 3/4 RAM size). + */ MODULE_PARM_DESC(gttsize, "Size of the GTT domain in megabytes (-1 = auto)"); module_param_named(gttsize, amdgpu_gtt_size, int, 0600); +/** + * DOC: moverate (int) + * Set maximum buffer migration rate in MB/s. The default is -1 (8 MB/s). + */ MODULE_PARM_DESC(moverate, "Maximum buffer migration rate in MB/s. (32, 64, etc., -1=auto, 0=1=disabled)"); module_param_named(moverate, amdgpu_moverate, int, 0600); +/** + * DOC: benchmark (int) + * Run benchmarks. The default is 0 (Skip benchmarks). + */ MODULE_PARM_DESC(benchmark, "Run benchmark"); module_param_named(benchmark, amdgpu_benchmarking, int, 0444); +/** + * DOC: test (int) + * Test BO GTT->VRAM and VRAM->GTT GPU copies. The default is 0 (Skip test, only set 1 to run test). + */ MODULE_PARM_DESC(test, "Run tests"); module_param_named(test, amdgpu_testing, int, 0444); +/** + * DOC: audio (int) + * Set HDMI/DPAudio. Only affects non-DC display handling. The default is -1 (Enabled), set 0 to disabled it. + */ MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)"); module_param_named(audio, amdgpu_audio, int, 0444); +/** + * DOC: disp_priority (int) + * Set display Priority (1 = normal, 2 = high). Only affects non-DC display handling. The default is 0 (auto). + */ MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); module_param_named(disp_priority, amdgpu_disp_priority, int, 0444); +/** + * DOC: hw_i2c (int) + * To enable hw i2c engine. Only affects non-DC display handling. The default is 0 (Disabled). + */ MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); module_param_named(hw_i2c, amdgpu_hw_i2c, int, 0444); +/** + * DOC: pcie_gen2 (int) + * To disable PCIE Gen2/3 mode (0 = disable, 1 = enable). The default is -1 (auto, enabled). + */ MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)"); module_param_named(pcie_gen2, amdgpu_pcie_gen2, int, 0444); +/** + * DOC: msi (int) + * To disable Message Signaled Interrupts (MSI) functionality (1 = enable, 0 = disable). The default is -1 (auto, enabled). + */ MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(msi, amdgpu_msi, int, 0444); +/** + * DOC: lockup_timeout (int) + * Set GPU scheduler timeout value in ms. Value 0 is invalidated, will be adjusted to 10000. + * Negative values mean 'infinite timeout' (MAX_JIFFY_OFFSET). The default is 10000. + */ MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms > 0 (default 10000)"); module_param_named(lockup_timeout, amdgpu_lockup_timeout, int, 0444); +/** + * DOC: dpm (int) + * Override for dynamic power management setting (1 = enable, 0 = disable). The default is -1 (auto). + */ MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(dpm, amdgpu_dpm, int, 0444); +/** + * DOC: fw_load_type (int) + * Set different firmware loading type for debugging (0 = direct, 1 = SMU, 2 = PSP). The default is -1 (auto). + */ MODULE_PARM_DESC(fw_load_type, "firmware loading type (0 = direct, 1 = SMU, 2 = PSP, -1 = auto)"); module_param_named(fw_load_type, amdgpu_fw_load_type, int, 0444); +/** + * DOC: aspm (int) + * To disable ASPM (1 = enable, 0 = disable). The default is -1 (auto, enabled). + */ MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(aspm, amdgpu_aspm, int, 0444); +/** + * DOC: runpm (int) + * Override for runtime power management control for dGPUs in PX/HG laptops. The amdgpu driver can dynamically power down + * the dGPU on PX/HG laptops when it is idle. The default is -1 (auto enable). Setting the value to 0 disables this functionality. + */ MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)"); module_param_named(runpm, amdgpu_runtime_pm, int, 0444); +/** + * DOC: ip_block_mask (uint) + * Override what IP blocks are enabled on the GPU. Each GPU is a collection of IP blocks (gfx, display, video, etc.). + * Use this parameter to disable specific blocks. Note that the IP blocks do not have a fixed index. Some asics may not have + * some IPs or may include multiple instances of an IP so the ordering various from asic to asic. See the driver output in + * the kernel log for the list of IPs on the asic. The default is 0xffffffff (enable all blocks on a device). + */ MODULE_PARM_DESC(ip_block_mask, "IP Block Mask (all blocks enabled (default))"); module_param_named(ip_block_mask, amdgpu_ip_block_mask, uint, 0444); +/** + * DOC: bapm (int) + * Bidirectional Application Power Management (BAPM) used to dynamically share TDP between CPU and GPU. Set value 0 to disable it. + * The default -1 (auto, enabled) + */ MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(bapm, amdgpu_bapm, int, 0444); +/** + * DOC: deep_color (int) + * Set 1 to enable Deep Color support. Only affects non-DC display handling. The default is 0 (disabled). + */ MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))"); module_param_named(deep_color, amdgpu_deep_color, int, 0444); +/** + * DOC: vm_size (int) + * Override the size of the GPU's per client virtual address space in GiB. The default is -1 (automatic for each asic). + */ MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 64GB)"); module_param_named(vm_size, amdgpu_vm_size, int, 0444); +/** + * DOC: vm_fragment_size (int) + * Override VM fragment size in bits (4, 5, etc. 4 = 64K, 9 = 2M). The default is -1 (automatic for each asic). + */ MODULE_PARM_DESC(vm_fragment_size, "VM fragment size in bits (4, 5, etc. 4 = 64K (default), Max 9 = 2M)"); module_param_named(vm_fragment_size, amdgpu_vm_fragment_size, int, 0444); +/** + * DOC: vm_block_size (int) + * Override VM page table size in bits (default depending on vm_size and hw setup). The default is -1 (automatic for each asic). + */ MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)"); module_param_named(vm_block_size, amdgpu_vm_block_size, int, 0444); +/** + * DOC: vm_fault_stop (int) + * Stop on VM fault for debugging (0 = never, 1 = print first, 2 = always). The default is 0 (No stop). + */ MODULE_PARM_DESC(vm_fault_stop, "Stop on VM fault (0 = never (default), 1 = print first, 2 = always)"); module_param_named(vm_fault_stop, amdgpu_vm_fault_stop, int, 0444); +/** + * DOC: vm_debug (int) + * Debug VM handling (0 = disabled, 1 = enabled). The default is 0 (Disabled). + */ MODULE_PARM_DESC(vm_debug, "Debug VM handling (0 = disabled (default), 1 = enabled)"); module_param_named(vm_debug, amdgpu_vm_debug, int, 0644); +/** + * DOC: vm_update_mode (int) + * Override VM update mode. VM updated by using CPU (0 = never, 1 = Graphics only, 2 = Compute only, 3 = Both). The default + * is -1 (Only in large BAR(LB) systems Compute VM tables will be updated by CPU, otherwise 0, never). + */ MODULE_PARM_DESC(vm_update_mode, "VM update using CPU (0 = never (default except for large BAR(LB)), 1 = Graphics only, 2 = Compute only (default for LB), 3 = Both"); module_param_named(vm_update_mode, amdgpu_vm_update_mode, int, 0444); +/** + * DOC: vram_page_split (int) + * Override the number of pages after we split VRAM allocations (default 512, -1 = disable). The default is 512. + */ MODULE_PARM_DESC(vram_page_split, "Number of pages after we split VRAM allocations (default 512, -1 = disable)"); module_param_named(vram_page_split, amdgpu_vram_page_split, int, 0444); +/** + * DOC: exp_hw_support (int) + * Enable experimental hw support (1 = enable). The default is 0 (disabled). + */ MODULE_PARM_DESC(exp_hw_support, "experimental hw support (1 = enable, 0 = disable (default))"); module_param_named(exp_hw_support, amdgpu_exp_hw_support, int, 0444); +/** + * DOC: dc (int) + * Disable/Enable Display Core driver for debugging (1 = enable, 0 = disable). The default is -1 (automatic for each asic). + */ MODULE_PARM_DESC(dc, "Display Core driver (1 = enable, 0 = disable, -1 = auto (default))"); module_param_named(dc, amdgpu_dc, int, 0444); -MODULE_PARM_DESC(dc_log, "Display Core Log Level (0 = minimal (default), 1 = chatty"); -module_param_named(dc_log, amdgpu_dc_log, int, 0444); - +/** + * DOC: sched_jobs (int) + * Override the max number of jobs supported in the sw queue. The default is 32. + */ MODULE_PARM_DESC(sched_jobs, "the max number of jobs supported in the sw queue (default 32)"); module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444); +/** + * DOC: sched_hw_submission (int) + * Override the max number of HW submissions. The default is 2. + */ MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)"); module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444); +/** + * DOC: ppfeaturemask (uint) + * Override power features enabled. See enum PP_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h. + * The default is the current set of stable power features. + */ MODULE_PARM_DESC(ppfeaturemask, "all power features enabled (default))"); module_param_named(ppfeaturemask, amdgpu_pp_feature_mask, uint, 0444); -MODULE_PARM_DESC(no_evict, "Support pinning request from user space (1 = enable, 0 = disable (default))"); -module_param_named(no_evict, amdgpu_no_evict, int, 0444); - -MODULE_PARM_DESC(direct_gma_size, "Direct GMA size in megabytes (max 96MB)"); -module_param_named(direct_gma_size, amdgpu_direct_gma_size, int, 0444); - +/** + * DOC: pcie_gen_cap (uint) + * Override PCIE gen speed capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h. + * The default is 0 (automatic for each asic). + */ MODULE_PARM_DESC(pcie_gen_cap, "PCIE Gen Caps (0: autodetect (default))"); module_param_named(pcie_gen_cap, amdgpu_pcie_gen_cap, uint, 0444); +/** + * DOC: pcie_lane_cap (uint) + * Override PCIE lanes capabilities. See the CAIL flags in drivers/gpu/drm/amd/include/amd_pcie.h. + * The default is 0 (automatic for each asic). + */ MODULE_PARM_DESC(pcie_lane_cap, "PCIE Lane Caps (0: autodetect (default))"); module_param_named(pcie_lane_cap, amdgpu_pcie_lane_cap, uint, 0444); +/** + * DOC: cg_mask (uint) + * Override Clockgating features enabled on GPU (0 = disable clock gating). See the AMD_CG_SUPPORT flags in + * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled). + */ MODULE_PARM_DESC(cg_mask, "Clockgating flags mask (0 = disable clock gating)"); module_param_named(cg_mask, amdgpu_cg_mask, uint, 0444); +/** + * DOC: pg_mask (uint) + * Override Powergating features enabled on GPU (0 = disable power gating). See the AMD_PG_SUPPORT flags in + * drivers/gpu/drm/amd/include/amd_shared.h. The default is 0xffffffff (all enabled). + */ MODULE_PARM_DESC(pg_mask, "Powergating flags mask (0 = disable power gating)"); module_param_named(pg_mask, amdgpu_pg_mask, uint, 0444); +/** + * DOC: sdma_phase_quantum (uint) + * Override SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change). The default is 32. + */ MODULE_PARM_DESC(sdma_phase_quantum, "SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change (default 32))"); module_param_named(sdma_phase_quantum, amdgpu_sdma_phase_quantum, uint, 0444); +/** + * DOC: disable_cu (charp) + * Set to disable CUs (It's set like se.sh.cu,...). The default is NULL. + */ MODULE_PARM_DESC(disable_cu, "Disable CUs (se.sh.cu,...)"); module_param_named(disable_cu, amdgpu_disable_cu, charp, 0444); +/** + * DOC: virtual_display (charp) + * Set to enable virtual display feature. This feature provides a virtual display hardware on headless boards + * or in virtualized environments. It will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x. It's the pci address of + * the device, plus the number of crtcs to expose. E.g., 0000:26:00.0,4 would enable 4 virtual crtcs on the pci + * device at 26:00.0. The default is NULL. + */ MODULE_PARM_DESC(virtual_display, "Enable virtual display feature (the virtual_display will be set like xxxx:xx:xx.x,x;xxxx:xx:xx.x,x)"); module_param_named(virtual_display, amdgpu_virtual_display, charp, 0444); +/** + * DOC: ngg (int) + * Set to enable Next Generation Graphics (1 = enable). The default is 0 (disabled). + */ MODULE_PARM_DESC(ngg, "Next Generation Graphics (1 = enable, 0 = disable(default depending on gfx))"); module_param_named(ngg, amdgpu_ngg, int, 0444); +/** + * DOC: prim_buf_per_se (int) + * Override the size of Primitive Buffer per Shader Engine in Byte. The default is 0 (depending on gfx). + */ MODULE_PARM_DESC(prim_buf_per_se, "the size of Primitive Buffer per Shader Engine (default depending on gfx)"); module_param_named(prim_buf_per_se, amdgpu_prim_buf_per_se, int, 0444); +/** + * DOC: pos_buf_per_se (int) + * Override the size of Position Buffer per Shader Engine in Byte. The default is 0 (depending on gfx). + */ MODULE_PARM_DESC(pos_buf_per_se, "the size of Position Buffer per Shader Engine (default depending on gfx)"); module_param_named(pos_buf_per_se, amdgpu_pos_buf_per_se, int, 0444); +/** + * DOC: cntl_sb_buf_per_se (int) + * Override the size of Control Sideband per Shader Engine in Byte. The default is 0 (depending on gfx). + */ MODULE_PARM_DESC(cntl_sb_buf_per_se, "the size of Control Sideband per Shader Engine (default depending on gfx)"); module_param_named(cntl_sb_buf_per_se, amdgpu_cntl_sb_buf_per_se, int, 0444); +/** + * DOC: param_buf_per_se (int) + * Override the size of Off-Chip Pramater Cache per Shader Engine in Byte. The default is 0 (depending on gfx). + */ MODULE_PARM_DESC(param_buf_per_se, "the size of Off-Chip Pramater Cache per Shader Engine (default depending on gfx)"); module_param_named(param_buf_per_se, amdgpu_param_buf_per_se, int, 0444); +/** + * DOC: job_hang_limit (int) + * Set how much time allow a job hang and not drop it. The default is 0. + */ MODULE_PARM_DESC(job_hang_limit, "how much time allow a job hang and not drop it (default 0)"); module_param_named(job_hang_limit, amdgpu_job_hang_limit, int ,0444); +/** + * DOC: lbpw (int) + * Override Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable). The default is -1 (auto, enabled). + */ MODULE_PARM_DESC(lbpw, "Load Balancing Per Watt (LBPW) support (1 = enable, 0 = disable, -1 = auto)"); module_param_named(lbpw, amdgpu_lbpw, int, 0444); MODULE_PARM_DESC(compute_multipipe, "Force compute queues to be spread across pipes (1 = enable, 0 = disable, -1 = auto)"); module_param_named(compute_multipipe, amdgpu_compute_multipipe, int, 0444); +/** + * DOC: gpu_recovery (int) + * Set to enable GPU recovery mechanism (1 = enable, 0 = disable). The default is -1 (auto, disabled except SRIOV). + */ MODULE_PARM_DESC(gpu_recovery, "Enable GPU recovery mechanism, (1 = enable, 0 = disable, -1 = auto)"); module_param_named(gpu_recovery, amdgpu_gpu_recovery, int, 0444); +/** + * DOC: emu_mode (int) + * Set value 1 to enable emulation mode. This is only needed when running on an emulator. The default is 0 (disabled). + */ MODULE_PARM_DESC(emu_mode, "Emulation mode, (1 = enable, 0 = disable)"); module_param_named(emu_mode, amdgpu_emu_mode, int, 0444); +/** + * DOC: si_support (int) + * Set SI support driver. This parameter works after set config CONFIG_DRM_AMDGPU_SI. For SI asic, when radeon driver is enabled, + * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available, + * otherwise using amdgpu driver. + */ #ifdef CONFIG_DRM_AMDGPU_SI #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE) @@ -305,6 +502,12 @@ MODULE_PARM_DESC(si_support, "SI support (1 = enabled (default), 0 = disabled)") module_param_named(si_support, amdgpu_si_support, int, 0444); #endif +/** + * DOC: cik_support (int) + * Set CIK support driver. This parameter works after set config CONFIG_DRM_AMDGPU_CIK. For CIK asic, when radeon driver is enabled, + * set value 0 to use radeon driver, while set value 1 to use amdgpu driver. The default is using radeon driver when it available, + * otherwise using amdgpu driver. + */ #ifdef CONFIG_DRM_AMDGPU_CIK #if defined(CONFIG_DRM_RADEON) || defined(CONFIG_DRM_RADEON_MODULE) @@ -318,6 +521,11 @@ MODULE_PARM_DESC(cik_support, "CIK support (1 = enabled (default), 0 = disabled) module_param_named(cik_support, amdgpu_cik_support, int, 0444); #endif +/** + * DOC: smu_memory_pool_size (uint) + * It is used to reserve gtt for smu debug usage, setting value 0 to disable it. The actual size is value * 256MiB. + * E.g. 0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte. The default is 0 (disabled). + */ MODULE_PARM_DESC(smu_memory_pool_size, "reserve gtt for smu debug usage, 0 = disable," "0x1 = 256Mbyte, 0x2 = 512Mbyte, 0x4 = 1 Gbyte, 0x8 = 2GByte"); @@ -664,7 +872,7 @@ retry_init: err_pci: pci_disable_device(pdev); err_free: - drm_dev_unref(dev); + drm_dev_put(dev); return ret; } @@ -674,7 +882,7 @@ amdgpu_pci_remove(struct pci_dev *pdev) struct drm_device *dev = pci_get_drvdata(pdev); drm_dev_unregister(dev); - drm_dev_unref(dev); + drm_dev_put(dev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); } @@ -855,9 +1063,21 @@ static const struct dev_pm_ops amdgpu_pm_ops = { .runtime_idle = amdgpu_pmops_runtime_idle, }; +static int amdgpu_flush(struct file *f, fl_owner_t id) +{ + struct drm_file *file_priv = f->private_data; + struct amdgpu_fpriv *fpriv = file_priv->driver_priv; + + amdgpu_ctx_mgr_entity_flush(&fpriv->ctx_mgr); + + return 0; +} + + static const struct file_operations amdgpu_driver_kms_fops = { .owner = THIS_MODULE, .open = drm_open, + .flush = amdgpu_flush, .release = drm_release, .unlocked_ioctl = amdgpu_drm_ioctl, .mmap = amdgpu_mmap, |