/* * 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 */ #ifndef __AMDGPU_H__ #define __AMDGPU_H__ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "dm_pp_interface.h" #include "kgd_pp_interface.h" #include "amd_shared.h" #include "amdgpu_mode.h" #include "amdgpu_ih.h" #include "amdgpu_irq.h" #include "amdgpu_ucode.h" #include "amdgpu_ttm.h" #include "amdgpu_psp.h" #include "amdgpu_gds.h" #include "amdgpu_sync.h" #include "amdgpu_ring.h" #include "amdgpu_vm.h" #include "amdgpu_dpm.h" #include "amdgpu_acp.h" #include "amdgpu_uvd.h" #include "amdgpu_vce.h" #include "amdgpu_vcn.h" #include "amdgpu_mn.h" #include "amdgpu_gmc.h" #include "amdgpu_dm.h" #include "amdgpu_virt.h" #include "amdgpu_gart.h" #include "amdgpu_debugfs.h" #include "amdgpu_job.h" #include "amdgpu_bo_list.h" /* * Modules parameters. */ extern int amdgpu_modeset; extern int amdgpu_vram_limit; extern int amdgpu_vis_vram_limit; extern int amdgpu_gart_size; extern int amdgpu_gtt_size; extern int amdgpu_moverate; extern int amdgpu_benchmarking; extern int amdgpu_testing; extern int amdgpu_audio; extern int amdgpu_disp_priority; extern int amdgpu_hw_i2c; extern int amdgpu_pcie_gen2; extern int amdgpu_msi; extern int amdgpu_lockup_timeout; extern int amdgpu_dpm; extern int amdgpu_fw_load_type; extern int amdgpu_aspm; extern int amdgpu_runtime_pm; extern uint amdgpu_ip_block_mask; extern int amdgpu_bapm; extern int amdgpu_deep_color; extern int amdgpu_vm_size; extern int amdgpu_vm_block_size; extern int amdgpu_vm_fragment_size; extern int amdgpu_vm_fault_stop; extern int amdgpu_vm_debug; extern int amdgpu_vm_update_mode; extern int amdgpu_dc; extern int amdgpu_sched_jobs; extern int amdgpu_sched_hw_submission; extern uint amdgpu_pcie_gen_cap; extern uint amdgpu_pcie_lane_cap; extern uint amdgpu_cg_mask; extern uint amdgpu_pg_mask; extern uint amdgpu_sdma_phase_quantum; extern char *amdgpu_disable_cu; extern char *amdgpu_virtual_display; extern uint amdgpu_pp_feature_mask; extern int amdgpu_vram_page_split; extern int amdgpu_ngg; extern int amdgpu_prim_buf_per_se; extern int amdgpu_pos_buf_per_se; extern int amdgpu_cntl_sb_buf_per_se; extern int amdgpu_param_buf_per_se; extern int amdgpu_job_hang_limit; extern int amdgpu_lbpw; extern int amdgpu_compute_multipipe; extern int amdgpu_gpu_recovery; extern int amdgpu_emu_mode; extern uint amdgpu_smu_memory_pool_size; #ifdef CONFIG_DRM_AMDGPU_SI extern int amdgpu_si_support; #endif #ifdef CONFIG_DRM_AMDGPU_CIK extern int amdgpu_cik_support; #endif #define AMDGPU_SG_THRESHOLD (256*1024*1024) #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */ #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */ #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2) /* AMDGPU_IB_POOL_SIZE must be a power of 2 */ #define AMDGPU_IB_POOL_SIZE 16 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32 #define AMDGPUFB_CONN_LIMIT 4 #define AMDGPU_BIOS_NUM_SCRATCH 16 /* max number of IP instances */ #define AMDGPU_MAX_SDMA_INSTANCES 2 /* hard reset data */ #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b /* reset flags */ #define AMDGPU_RESET_GFX (1 << 0) #define AMDGPU_RESET_COMPUTE (1 << 1) #define AMDGPU_RESET_DMA (1 << 2) #define AMDGPU_RESET_CP (1 << 3) #define AMDGPU_RESET_GRBM (1 << 4) #define AMDGPU_RESET_DMA1 (1 << 5) #define AMDGPU_RESET_RLC (1 << 6) #define AMDGPU_RESET_SEM (1 << 7) #define AMDGPU_RESET_IH (1 << 8) #define AMDGPU_RESET_VMC (1 << 9) #define AMDGPU_RESET_MC (1 << 10) #define AMDGPU_RESET_DISPLAY (1 << 11) #define AMDGPU_RESET_UVD (1 << 12) #define AMDGPU_RESET_VCE (1 << 13) #define AMDGPU_RESET_VCE1 (1 << 14) /* GFX current status */ #define AMDGPU_GFX_NORMAL_MODE 0x00000000L #define AMDGPU_GFX_SAFE_MODE 0x00000001L #define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L #define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L #define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L /* max cursor sizes (in pixels) */ #define CIK_CURSOR_WIDTH 128 #define CIK_CURSOR_HEIGHT 128 struct amdgpu_device; struct amdgpu_ib; struct amdgpu_cs_parser; struct amdgpu_job; struct amdgpu_irq_src; struct amdgpu_fpriv; struct amdgpu_bo_va_mapping; struct amdgpu_atif; enum amdgpu_cp_irq { AMDGPU_CP_IRQ_GFX_EOP = 0, AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP, AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP, AMDGPU_CP_IRQ_LAST }; enum amdgpu_sdma_irq { AMDGPU_SDMA_IRQ_TRAP0 = 0, AMDGPU_SDMA_IRQ_TRAP1, AMDGPU_SDMA_IRQ_LAST }; enum amdgpu_thermal_irq { AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0, AMDGPU_THERMAL_IRQ_HIGH_TO_LOW, AMDGPU_THERMAL_IRQ_LAST }; enum amdgpu_kiq_irq { AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0, AMDGPU_CP_KIQ_IRQ_LAST }; int amdgpu_device_ip_set_clockgating_state(void *dev, enum amd_ip_block_type block_type, enum amd_clockgating_state state); int amdgpu_device_ip_set_powergating_state(void *dev, enum amd_ip_block_type block_type, enum amd_powergating_state state); void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev, u32 *flags); int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev, enum amd_ip_block_type block_type); bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev, enum amd_ip_block_type block_type); #define AMDGPU_MAX_IP_NUM 16 struct amdgpu_ip_block_status { bool valid; bool sw; bool hw; bool late_initialized; bool hang; }; struct amdgpu_ip_block_version { const enum amd_ip_block_type type; const u32 major; const u32 minor; const u32 rev; const struct amd_ip_funcs *funcs; }; struct amdgpu_ip_block { struct amdgpu_ip_block_status status; const struct amdgpu_ip_block_version *version; }; int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev, enum amd_ip_block_type type, u32 major, u32 minor); struct amdgpu_ip_block * amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev, enum amd_ip_block_type type); int amdgpu_device_ip_block_add(struct amdgpu_device *adev, const struct amdgpu_ip_block_version *ip_block_version); /* provided by hw blocks that can move/clear data. e.g., gfx or sdma */ struct amdgpu_buffer_funcs { /* maximum bytes in a single operation */ uint32_t copy_max_bytes; /* number of dw to reserve per operation */ unsigned copy_num_dw; /* used for buffer migration */ void (*emit_copy_buffer)(struct amdgpu_ib *ib, /* src addr in bytes */ uint64_t src_offset, /* dst addr in bytes */ uint64_t dst_offset, /* number of byte to transfer */ uint32_t byte_count); /* maximum bytes in a single operation */ uint32_t fill_max_bytes; /* number of dw to reserve per operation */ unsigned fill_num_dw; /* used for buffer clearing */ void (*emit_fill_buffer)(struct amdgpu_ib *ib, /* value to write to memory */ uint32_t src_data, /* dst addr in bytes */ uint64_t dst_offset, /* number of byte to fill */ uint32_t byte_count); }; /* provided by hw blocks that can write ptes, e.g., sdma */ struct amdgpu_vm_pte_funcs { /* number of dw to reserve per operation */ unsigned copy_pte_num_dw; /* copy pte entries from GART */ void (*copy_pte)(struct amdgpu_ib *ib, uint64_t pe, uint64_t src, unsigned count); /* write pte one entry at a time with addr mapping */ void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe, uint64_t value, unsigned count, uint32_t incr); /* for linear pte/pde updates without addr mapping */ void (*set_pte_pde)(struct amdgpu_ib *ib, uint64_t pe, uint64_t addr, unsigned count, uint32_t incr, uint64_t flags); }; /* provided by the ih block */ struct amdgpu_ih_funcs { /* ring read/write ptr handling, called from interrupt context */ u32 (*get_wptr)(struct amdgpu_device *adev); bool (*prescreen_iv)(struct amdgpu_device *adev); void (*decode_iv)(struct amdgpu_device *adev, struct amdgpu_iv_entry *entry); void (*set_rptr)(struct amdgpu_device *adev); }; /* * BIOS. */ bool amdgpu_get_bios(struct amdgpu_device *adev); bool amdgpu_read_bios(struct amdgpu_device *adev); /* * Clocks */ #define AMDGPU_MAX_PPLL 3 struct amdgpu_clock { struct amdgpu_pll ppll[AMDGPU_MAX_PPLL]; struct amdgpu_pll spll; struct amdgpu_pll mpll; /* 10 Khz units */ uint32_t default_mclk; uint32_t default_sclk; uint32_t default_dispclk; uint32_t current_dispclk; uint32_t dp_extclk; uint32_t max_pixel_clock; }; /* * GEM. */ #define AMDGPU_GEM_DOMAIN_MAX 0x3 #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base) void amdgpu_gem_object_free(struct drm_gem_object *obj); int amdgpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); void amdgpu_gem_object_close(struct drm_gem_object *obj, struct drm_file *file_priv); unsigned long amdgpu_gem_timeout(uint64_t timeout_ns); struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object * amdgpu_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev, struct drm_gem_object *gobj, int flags); struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf); struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *); void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj); void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); /* sub-allocation manager, it has to be protected by another lock. * By conception this is an helper for other part of the driver * like the indirect buffer or semaphore, which both have their * locking. * * Principe is simple, we keep a list of sub allocation in offset * order (first entry has offset == 0, last entry has the highest * offset). * * When allocating new object we first check if there is room at * the end total_size - (last_object_offset + last_object_size) >= * alloc_size. If so we allocate new object there. * * When there is not enough room at the end, we start waiting for * each sub object until we reach object_offset+object_size >= * alloc_size, this object then become the sub object we return. * * Alignment can't be bigger than page size. * * Hole are not considered for allocation to keep things simple. * Assumption is that there won't be hole (all object on same * alignment). */ #define AMDGPU_SA_NUM_FENCE_LISTS 32 struct amdgpu_sa_manager { wait_queue_head_t wq; struct amdgpu_bo *bo; struct list_head *hole; struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS]; struct list_head olist; unsigned size; uint64_t gpu_addr; void *cpu_ptr; uint32_t domain; uint32_t align; }; /* sub-allocation buffer */ struct amdgpu_sa_bo { struct list_head olist; struct list_head flist; struct amdgpu_sa_manager *manager; unsigned soffset; unsigned eoffset; struct dma_fence *fence; }; /* * GEM objects. */ void amdgpu_gem_force_release(struct amdgpu_device *adev); int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, int alignment, u32 initial_domain, u64 flags, enum ttm_bo_type type, struct reservation_object *resv, struct drm_gem_object **obj); int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); int amdgpu_mode_dumb_mmap(struct drm_file *filp, struct drm_device *dev, uint32_t handle, uint64_t *offset_p); int amdgpu_fence_slab_init(void); void amdgpu_fence_slab_fini(void); /* * GPU doorbell structures, functions & helpers */ typedef enum _AMDGPU_DOORBELL_ASSIGNMENT { AMDGPU_DOORBELL_KIQ = 0x000, AMDGPU_DOORBELL_HIQ = 0x001, AMDGPU_DOORBELL_DIQ = 0x002, AMDGPU_DOORBELL_MEC_RING0 = 0x010, AMDGPU_DOORBELL_MEC_RING1 = 0x011, AMDGPU_DOORBELL_MEC_RING2 = 0x012, AMDGPU_DOORBELL_MEC_RING3 = 0x013, AMDGPU_DOORBELL_MEC_RING4 = 0x014, AMDGPU_DOORBELL_MEC_RING5 = 0x015, AMDGPU_DOORBELL_MEC_RING6 = 0x016, AMDGPU_DOORBELL_MEC_RING7 = 0x017, AMDGPU_DOORBELL_GFX_RING0 = 0x020, AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0, AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1, AMDGPU_DOORBELL_IH = 0x1E8, AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF, AMDGPU_DOORBELL_INVALID = 0xFFFF } AMDGPU_DOORBELL_ASSIGNMENT; struct amdgpu_doorbell { /* doorbell mmio */ resource_size_t base; resource_size_t size; u32 __iomem *ptr; u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */ }; /* * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space */ typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT { /* * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range. * Compute related doorbells are allocated from 0x00 to 0x8a */ /* kernel scheduling */ AMDGPU_DOORBELL64_KIQ = 0x00, /* HSA interface queue and debug queue */ AMDGPU_DOORBELL64_HIQ = 0x01, AMDGPU_DOORBELL64_DIQ = 0x02, /* Compute engines */ AMDGPU_DOORBELL64_MEC_RING0 = 0x03, AMDGPU_DOORBELL64_MEC_RING1 = 0x04, AMDGPU_DOORBELL64_MEC_RING2 = 0x05, AMDGPU_DOORBELL64_MEC_RING3 = 0x06, AMDGPU_DOORBELL64_MEC_RING4 = 0x07, AMDGPU_DOORBELL64_MEC_RING5 = 0x08, AMDGPU_DOORBELL64_MEC_RING6 = 0x09, AMDGPU_DOORBELL64_MEC_RING7 = 0x0a, /* User queue doorbell range (128 doorbells) */ AMDGPU_DOORBELL64_USERQUEUE_START = 0x0b, AMDGPU_DOORBELL64_USERQUEUE_END = 0x8a, /* Graphics engine */ AMDGPU_DOORBELL64_GFX_RING0 = 0x8b, /* * Other graphics doorbells can be allocated here: from 0x8c to 0xef * Graphics voltage island aperture 1 * default non-graphics QWORD index is 0xF0 - 0xFF inclusive */ /* sDMA engines */ AMDGPU_DOORBELL64_sDMA_ENGINE0 = 0xF0, AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0 = 0xF1, AMDGPU_DOORBELL64_sDMA_ENGINE1 = 0xF2, AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1 = 0xF3, /* Interrupt handler */ AMDGPU_DOORBELL64_IH = 0xF4, /* For legacy interrupt ring buffer */ AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */ AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */ /* VCN engine use 32 bits doorbell */ AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */ AMDGPU_DOORBELL64_VCN2_3 = 0xF9, AMDGPU_DOORBELL64_VCN4_5 = 0xFA, AMDGPU_DOORBELL64_VCN6_7 = 0xFB, /* overlap the doorbell assignment with VCN as they are mutually exclusive * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD */ AMDGPU_DOORBELL64_UVD_RING0_1 = 0xF8, AMDGPU_DOORBELL64_UVD_RING2_3 = 0xF9, AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFA, AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFB, AMDGPU_DOORBELL64_VCE_RING0_1 = 0xFC, AMDGPU_DOORBELL64_VCE_RING2_3 = 0xFD, AMDGPU_DOORBELL64_VCE_RING4_5 = 0xFE, AMDGPU_DOORBELL64_VCE_RING6_7 = 0xFF, AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF, AMDGPU_DOORBELL64_INVALID = 0xFFFF } AMDGPU_DOORBELL64_ASSIGNMENT; /* * IRQS. */ struct amdgpu_flip_work { struct delayed_work flip_work; struct work_struct unpin_work; struct amdgpu_device *adev; int crtc_id; u32 target_vblank; uint64_t base; struct drm_pending_vblank_event *event; struct amdgpu_bo *old_abo; struct dma_fence *excl; unsigned shared_count; struct dma_fence **shared; struct dma_fence_cb cb; bool async; }; /* * CP & rings. */ struct amdgpu_ib { struct amdgpu_sa_bo *sa_bo; uint32_t length_dw; uint64_t gpu_addr; uint32_t *ptr; uint32_t flags; }; extern const struct drm_sched_backend_ops amdgpu_sched_ops; /* * Queue manager */ struct amdgpu_queue_mapper { int hw_ip; struct mutex lock; /* protected by lock */ struct amdgpu_ring *queue_map[AMDGPU_MAX_RINGS]; }; struct amdgpu_queue_mgr { struct amdgpu_queue_mapper mapper[AMDGPU_MAX_IP_NUM]; }; int amdgpu_queue_mgr_init(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr); int amdgpu_queue_mgr_fini(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr); int amdgpu_queue_mgr_map(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr, u32 hw_ip, u32 instance, u32 ring, struct amdgpu_ring **out_ring); /* * context related structures */ struct amdgpu_ctx_ring { uint64_t sequence; struct dma_fence **fences; struct drm_sched_entity entity; }; struct amdgpu_ctx { struct kref refcount; struct amdgpu_device *adev; struct amdgpu_queue_mgr queue_mgr; unsigned reset_counter; unsigned reset_counter_query; uint32_t vram_lost_counter; spinlock_t ring_lock; struct dma_fence **fences; struct amdgpu_ctx_ring rings[AMDGPU_MAX_RINGS]; bool preamble_presented; enum drm_sched_priority init_priority; enum drm_sched_priority override_priority; struct mutex lock; atomic_t guilty; }; struct amdgpu_ctx_mgr { struct amdgpu_device *adev; struct mutex lock; /* protected by lock */ struct idr ctx_handles; }; struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id); int amdgpu_ctx_put(struct amdgpu_ctx *ctx); int amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring, struct dma_fence *fence, uint64_t *seq); struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, struct amdgpu_ring *ring, uint64_t seq); void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx, enum drm_sched_priority priority); int amdgpu_ctx_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx, unsigned ring_id); void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr); void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr); void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr); void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr); /* * file private structure */ struct amdgpu_fpriv { struct amdgpu_vm vm; struct amdgpu_bo_va *prt_va; struct amdgpu_bo_va *csa_va; struct mutex bo_list_lock; struct idr bo_list_handles; struct amdgpu_ctx_mgr ctx_mgr; }; /* * GFX stuff */ #include "clearstate_defs.h" struct amdgpu_rlc_funcs { void (*enter_safe_mode)(struct amdgpu_device *adev); void (*exit_safe_mode)(struct amdgpu_device *adev); }; struct amdgpu_rlc { /* for power gating */ struct amdgpu_bo *save_restore_obj; uint64_t save_restore_gpu_addr; volatile uint32_t *sr_ptr; const u32 *reg_list; u32 reg_list_size; /* for clear state */ struct amdgpu_bo *clear_state_obj; uint64_t clear_state_gpu_addr; volatile uint32_t *cs_ptr; const struct cs_section_def *cs_data; u32 clear_state_size; /* for cp tables */ struct amdgpu_bo *cp_table_obj; uint64_t cp_table_gpu_addr; volatile uint32_t *cp_table_ptr; u32 cp_table_size; /* safe mode for updating CG/PG state */ bool in_safe_mode; const struct amdgpu_rlc_funcs *funcs; /* for firmware data */ u32 save_and_restore_offset; u32 clear_state_descriptor_offset; u32 avail_scratch_ram_locations; u32 reg_restore_list_size; u32 reg_list_format_start; u32 reg_list_format_separate_start; u32 starting_offsets_start; u32 reg_list_format_size_bytes; u32 reg_list_size_bytes; u32 reg_list_format_direct_reg_list_length; u32 save_restore_list_cntl_size_bytes; u32 save_restore_list_gpm_size_bytes; u32 save_restore_list_srm_size_bytes; u32 *register_list_format; u32 *register_restore; u8 *save_restore_list_cntl; u8 *save_restore_list_gpm; u8 *save_restore_list_srm; bool is_rlc_v2_1; }; #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES struct amdgpu_mec { struct amdgpu_bo *hpd_eop_obj; u64 hpd_eop_gpu_addr; struct amdgpu_bo *mec_fw_obj; u64 mec_fw_gpu_addr; u32 num_mec; u32 num_pipe_per_mec; u32 num_queue_per_pipe; void *mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1]; /* These are the resources for which amdgpu takes ownership */ DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); }; struct amdgpu_kiq { u64 eop_gpu_addr; struct amdgpu_bo *eop_obj; spinlock_t ring_lock; struct amdgpu_ring ring; struct amdgpu_irq_src irq; }; /* * GPU scratch registers structures, functions & helpers */ struct amdgpu_scratch { unsigned num_reg; uint32_t reg_base; uint32_t free_mask; }; /* * GFX configurations */ #define AMDGPU_GFX_MAX_SE 4 #define AMDGPU_GFX_MAX_SH_PER_SE 2 struct amdgpu_rb_config { uint32_t rb_backend_disable; uint32_t user_rb_backend_disable; uint32_t raster_config; uint32_t raster_config_1; }; struct gb_addr_config { uint16_t pipe_interleave_size; uint8_t num_pipes; uint8_t max_compress_frags; uint8_t num_banks; uint8_t num_se; uint8_t num_rb_per_se; }; struct amdgpu_gfx_config { unsigned max_shader_engines; unsigned max_tile_pipes; unsigned max_cu_per_sh; unsigned max_sh_per_se; unsigned max_backends_per_se; unsigned max_texture_channel_caches; unsigned max_gprs; unsigned max_gs_threads; unsigned max_hw_contexts; unsigned sc_prim_fifo_size_frontend; unsigned sc_prim_fifo_size_backend; unsigned sc_hiz_tile_fifo_size; unsigned sc_earlyz_tile_fifo_size; unsigned num_tile_pipes; unsigned backend_enable_mask; unsigned mem_max_burst_length_bytes; unsigned mem_row_size_in_kb; unsigned shader_engine_tile_size; unsigned num_gpus; unsigned multi_gpu_tile_size; unsigned mc_arb_ramcfg; unsigned gb_addr_config; unsigned num_rbs; unsigned gs_vgt_table_depth; unsigned gs_prim_buffer_depth; uint32_t tile_mode_array[32]; uint32_t macrotile_mode_array[16]; struct gb_addr_config gb_addr_config_fields; struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE]; /* gfx configure feature */ uint32_t double_offchip_lds_buf; /* cached value of DB_DEBUG2 */ uint32_t db_debug2; }; struct amdgpu_cu_info { uint32_t simd_per_cu; uint32_t max_waves_per_simd; uint32_t wave_front_size; uint32_t max_scratch_slots_per_cu; uint32_t lds_size; /* total active CU number */ uint32_t number; uint32_t ao_cu_mask; uint32_t ao_cu_bitmap[4][4]; uint32_t bitmap[4][4]; }; struct amdgpu_gfx_funcs { /* get the gpu clock counter */ uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev); void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance); void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields); void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t thread, uint32_t start, uint32_t size, uint32_t *dst); void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst); void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue); }; struct amdgpu_ngg_buf { struct amdgpu_bo *bo; uint64_t gpu_addr; uint32_t size; uint32_t bo_size; }; enum { NGG_PRIM = 0, NGG_POS, NGG_CNTL, NGG_PARAM, NGG_BUF_MAX }; struct amdgpu_ngg { struct amdgpu_ngg_buf buf[NGG_BUF_MAX]; uint32_t gds_reserve_addr; uint32_t gds_reserve_size; bool init; }; struct sq_work { struct work_struct work; unsigned ih_data; }; struct amdgpu_gfx { struct mutex gpu_clock_mutex; struct amdgpu_gfx_config config; struct amdgpu_rlc rlc; struct amdgpu_mec mec; struct amdgpu_kiq kiq; struct amdgpu_scratch scratch; const struct firmware *me_fw; /* ME firmware */ uint32_t me_fw_version; const struct firmware *pfp_fw; /* PFP firmware */ uint32_t pfp_fw_version; const struct firmware *ce_fw; /* CE firmware */ uint32_t ce_fw_version; const struct firmware *rlc_fw; /* RLC firmware */ uint32_t rlc_fw_version; const struct firmware *mec_fw; /* MEC firmware */ uint32_t mec_fw_version; const struct firmware *mec2_fw; /* MEC2 firmware */ uint32_t mec2_fw_version; uint32_t me_feature_version; uint32_t ce_feature_version; uint32_t pfp_feature_version; uint32_t rlc_feature_version; uint32_t rlc_srlc_fw_version; uint32_t rlc_srlc_feature_version; uint32_t rlc_srlg_fw_version; uint32_t rlc_srlg_feature_version; uint32_t rlc_srls_fw_version; uint32_t rlc_srls_feature_version; uint32_t mec_feature_version; uint32_t mec2_feature_version; struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS]; unsigned num_gfx_rings; struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS]; unsigned num_compute_rings; struct amdgpu_irq_src eop_irq; struct amdgpu_irq_src priv_reg_irq; struct amdgpu_irq_src priv_inst_irq; struct amdgpu_irq_src cp_ecc_error_irq; struct amdgpu_irq_src sq_irq; struct sq_work sq_work; /* gfx status */ uint32_t gfx_current_status; /* ce ram size*/ unsigned ce_ram_size; struct amdgpu_cu_info cu_info; const struct amdgpu_gfx_funcs *funcs; /* reset mask */ uint32_t grbm_soft_reset; uint32_t srbm_soft_reset; /* s3/s4 mask */ bool in_suspend; /* NGG */ struct amdgpu_ngg ngg; /* pipe reservation */ struct mutex pipe_reserve_mutex; DECLARE_BITMAP (pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); }; int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm, unsigned size, struct amdgpu_ib *ib); void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib, struct dma_fence *f); int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, struct amdgpu_ib *ibs, struct amdgpu_job *job, struct dma_fence **f); int amdgpu_ib_pool_init(struct amdgpu_device *adev); void amdgpu_ib_pool_fini(struct amdgpu_device *adev); int amdgpu_ib_ring_tests(struct amdgpu_device *adev); /* * CS. */ struct amdgpu_cs_chunk { uint32_t chunk_id; uint32_t length_dw; void *kdata; }; struct amdgpu_cs_parser { struct amdgpu_device *adev; struct drm_file *filp; struct amdgpu_ctx *ctx; /* chunks */ unsigned nchunks; struct amdgpu_cs_chunk *chunks; /* scheduler job object */ struct amdgpu_job *job; struct amdgpu_ring *ring; /* buffer objects */ struct ww_acquire_ctx ticket; struct amdgpu_bo_list *bo_list; struct amdgpu_mn *mn; struct amdgpu_bo_list_entry vm_pd; struct list_head validated; struct dma_fence *fence; uint64_t bytes_moved_threshold; uint64_t bytes_moved_vis_threshold; uint64_t bytes_moved; uint64_t bytes_moved_vis; struct amdgpu_bo_list_entry *evictable; /* user fence */ struct amdgpu_bo_list_entry uf_entry; unsigned num_post_dep_syncobjs; struct drm_syncobj **post_dep_syncobjs; }; static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx) { return p->job->ibs[ib_idx].ptr[idx]; } static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx, uint32_t value) { p->job->ibs[ib_idx].ptr[idx] = value; } /* * Writeback */ #define AMDGPU_MAX_WB 128 /* Reserve at most 128 WB slots for amdgpu-owned rings. */ struct amdgpu_wb { struct amdgpu_bo *wb_obj; volatile uint32_t *wb; uint64_t gpu_addr; u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */ unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)]; }; int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb); void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb); /* * SDMA */ struct amdgpu_sdma_instance { /* SDMA firmware */ const struct firmware *fw; uint32_t fw_version; uint32_t feature_version; struct amdgpu_ring ring; bool burst_nop; }; struct amdgpu_sdma { struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES]; #ifdef CONFIG_DRM_AMDGPU_SI //SI DMA has a difference trap irq number for the second engine struct amdgpu_irq_src trap_irq_1; #endif struct amdgpu_irq_src trap_irq; struct amdgpu_irq_src illegal_inst_irq; int num_instances; uint32_t srbm_soft_reset; }; /* * Firmware */ enum amdgpu_firmware_load_type { AMDGPU_FW_LOAD_DIRECT = 0, AMDGPU_FW_LOAD_SMU, AMDGPU_FW_LOAD_PSP, }; struct amdgpu_firmware { struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM]; enum amdgpu_firmware_load_type load_type; struct amdgpu_bo *fw_buf; unsigned int fw_size; unsigned int max_ucodes; /* firmwares are loaded by psp instead of smu from vega10 */ const struct amdgpu_psp_funcs *funcs; struct amdgpu_bo *rbuf; struct mutex mutex; /* gpu info firmware data pointer */ const struct firmware *gpu_info_fw; void *fw_buf_ptr; uint64_t fw_buf_mc; }; /* * Benchmarking */ void amdgpu_benchmark(struct amdgpu_device *adev, int test_number); /* * Testing */ void amdgpu_test_moves(struct amdgpu_device *adev); /* * amdgpu smumgr functions */ struct amdgpu_smumgr_funcs { int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype); int (*request_smu_load_fw)(struct amdgpu_device *adev); int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype); }; /* * amdgpu smumgr */ struct amdgpu_smumgr { struct amdgpu_bo *toc_buf; struct amdgpu_bo *smu_buf; /* asic priv smu data */ void *priv; spinlock_t smu_lock; /* smumgr functions */ const struct amdgpu_smumgr_funcs *smumgr_funcs; /* ucode loading complete flag */ uint32_t fw_flags; }; /* * ASIC specific register table accessible by UMD */ struct amdgpu_allowed_register_entry { uint32_t reg_offset; bool grbm_indexed; }; /* * ASIC specific functions. */ struct amdgpu_asic_funcs { bool (*read_disabled_bios)(struct amdgpu_device *adev); bool (*read_bios_from_rom)(struct amdgpu_device *adev, u8 *bios, u32 length_bytes); int (*read_register)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 reg_offset, u32 *value); void (*set_vga_state)(struct amdgpu_device *adev, bool state); int (*reset)(struct amdgpu_device *adev); /* get the reference clock */ u32 (*get_xclk)(struct amdgpu_device *adev); /* MM block clocks */ int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk); int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk); /* static power management */ int (*get_pcie_lanes)(struct amdgpu_device *adev); void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes); /* get config memsize register */ u32 (*get_config_memsize)(struct amdgpu_device *adev); /* flush hdp write queue */ void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring); /* invalidate hdp read cache */ void (*invalidate_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring); /* check if the asic needs a full reset of if soft reset will work */ bool (*need_full_reset)(struct amdgpu_device *adev); }; /* * IOCTL. */ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); /* VRAM scratch page for HDP bug, default vram page */ struct amdgpu_vram_scratch { struct amdgpu_bo *robj; volatile uint32_t *ptr; u64 gpu_addr; }; /* * ACPI */ struct amdgpu_atcs_functions { bool get_ext_state; bool pcie_perf_req; bool pcie_dev_rdy; bool pcie_bus_width; }; struct amdgpu_atcs { struct amdgpu_atcs_functions functions; }; /* * Firmware VRAM reservation */ struct amdgpu_fw_vram_usage { u64 start_offset; u64 size; struct amdgpu_bo *reserved_bo; void *va; }; /* * CGS */ struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev); void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device); /* * Core structure, functions and helpers. */ typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t); typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t); typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t); typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t); /* * amdgpu nbio functions * */ struct nbio_hdp_flush_reg { u32 ref_and_mask_cp0; u32 ref_and_mask_cp1; u32 ref_and_mask_cp2; u32 ref_and_mask_cp3; u32 ref_and_mask_cp4; u32 ref_and_mask_cp5; u32 ref_and_mask_cp6; u32 ref_and_mask_cp7; u32 ref_and_mask_cp8; u32 ref_and_mask_cp9; u32 ref_and_mask_sdma0; u32 ref_and_mask_sdma1; }; struct amdgpu_nbio_funcs { const struct nbio_hdp_flush_reg *hdp_flush_reg; u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev); u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev); u32 (*get_pcie_index_offset)(struct amdgpu_device *adev); u32 (*get_pcie_data_offset)(struct amdgpu_device *adev); u32 (*get_rev_id)(struct amdgpu_device *adev); void (*mc_access_enable)(struct amdgpu_device *adev, bool enable); void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring); u32 (*get_memsize)(struct amdgpu_device *adev); void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance, bool use_doorbell, int doorbell_index); void (*enable_doorbell_aperture)(struct amdgpu_device *adev, bool enable); void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev, bool enable); void (*ih_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell, int doorbell_index); void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev, bool enable); void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev, bool enable); void (*get_clockgating_state)(struct amdgpu_device *adev, u32 *flags); void (*ih_control)(struct amdgpu_device *adev); void (*init_registers)(struct amdgpu_device *adev); void (*detect_hw_virt)(struct amdgpu_device *adev); }; struct amdgpu_df_funcs { void (*init)(struct amdgpu_device *adev); void (*enable_broadcast_mode)(struct amdgpu_device *adev, bool enable); u32 (*get_fb_channel_number)(struct amdgpu_device *adev); u32 (*get_hbm_channel_number)(struct amdgpu_device *adev); void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev, bool enable); void (*get_clockgating_state)(struct amdgpu_device *adev, u32 *flags); void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev, bool enable); }; /* Define the HW IP blocks will be used in driver , add more if necessary */ enum amd_hw_ip_block_type { GC_HWIP = 1, HDP_HWIP, SDMA0_HWIP, SDMA1_HWIP, MMHUB_HWIP, ATHUB_HWIP, NBIO_HWIP, MP0_HWIP, MP1_HWIP, UVD_HWIP, VCN_HWIP = UVD_HWIP, VCE_HWIP, DF_HWIP, DCE_HWIP, OSSSYS_HWIP, SMUIO_HWIP, PWR_HWIP, NBIF_HWIP, THM_HWIP, CLK_HWIP, MAX_HWIP }; #define HWIP_MAX_INSTANCE 6 struct amd_powerplay { void *pp_handle; const struct amd_pm_funcs *pp_funcs; uint32_t pp_feature; }; #define AMDGPU_RESET_MAGIC_NUM 64 struct amdgpu_device { struct device *dev; struct drm_device *ddev; struct pci_dev *pdev; #ifdef CONFIG_DRM_AMD_ACP struct amdgpu_acp acp; #endif /* ASIC */ enum amd_asic_type asic_type; uint32_t family; uint32_t rev_id; uint32_t external_rev_id; unsigned long flags; int usec_timeout; const struct amdgpu_asic_funcs *asic_funcs; bool shutdown; bool need_dma32; bool need_swiotlb; bool accel_working; struct work_struct reset_work; struct notifier_block acpi_nb; struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS]; struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS]; unsigned debugfs_count; #if defined(CONFIG_DEBUG_FS) struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS]; #endif struct amdgpu_atif *atif; struct amdgpu_atcs atcs; struct mutex srbm_mutex; /* GRBM index mutex. Protects concurrent access to GRBM index */ struct mutex grbm_idx_mutex; struct dev_pm_domain vga_pm_domain; bool have_disp_power_ref; /* BIOS */ bool is_atom_fw; uint8_t *bios; uint32_t bios_size; struct amdgpu_bo *stolen_vga_memory; uint32_t bios_scratch_reg_offset; uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH]; /* Register/doorbell mmio */ resource_size_t rmmio_base; resource_size_t rmmio_size; void __iomem *rmmio; /* protects concurrent MM_INDEX/DATA based register access */ spinlock_t mmio_idx_lock; /* protects concurrent SMC based register access */ spinlock_t smc_idx_lock; amdgpu_rreg_t smc_rreg; amdgpu_wreg_t smc_wreg; /* protects concurrent PCIE register access */ spinlock_t pcie_idx_lock; amdgpu_rreg_t pcie_rreg; amdgpu_wreg_t pcie_wreg; amdgpu_rreg_t pciep_rreg; amdgpu_wreg_t pciep_wreg; /* protects concurrent UVD register access */ spinlock_t uvd_ctx_idx_lock; amdgpu_rreg_t uvd_ctx_rreg; amdgpu_wreg_t uvd_ctx_wreg; /* protects concurrent DIDT register access */ spinlock_t didt_idx_lock; amdgpu_rreg_t didt_rreg; amdgpu_wreg_t didt_wreg; /* protects concurrent gc_cac register access */ spinlock_t gc_cac_idx_lock; amdgpu_rreg_t gc_cac_rreg; amdgpu_wreg_t gc_cac_wreg; /* protects concurrent se_cac register access */ spinlock_t se_cac_idx_lock; amdgpu_rreg_t se_cac_rreg; amdgpu_wreg_t se_cac_wreg; /* protects concurrent ENDPOINT (audio) register access */ spinlock_t audio_endpt_idx_lock; amdgpu_block_rreg_t audio_endpt_rreg; amdgpu_block_wreg_t audio_endpt_wreg; void __iomem *rio_mem; resource_size_t rio_mem_size; struct amdgpu_doorbell doorbell; /* clock/pll info */ struct amdgpu_clock clock; /* MC */ struct amdgpu_gmc gmc; struct amdgpu_gart gart; dma_addr_t dummy_page_addr; struct amdgpu_vm_manager vm_manager; struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS]; /* memory management */ struct amdgpu_mman mman; struct amdgpu_vram_scratch vram_scratch; struct amdgpu_wb wb; atomic64_t num_bytes_moved; atomic64_t num_evictions; atomic64_t num_vram_cpu_page_faults; atomic_t gpu_reset_counter; atomic_t vram_lost_counter; /* data for buffer migration throttling */ struct { spinlock_t lock; s64 last_update_us; s64 accum_us; /* accumulated microseconds */ s64 accum_us_vis; /* for visible VRAM */ u32 log2_max_MBps; } mm_stats; /* display */ bool enable_virtual_display; struct amdgpu_mode_info mode_info; /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */ struct work_struct hotplug_work; struct amdgpu_irq_src crtc_irq; struct amdgpu_irq_src pageflip_irq; struct amdgpu_irq_src hpd_irq; /* rings */ u64 fence_context; unsigned num_rings; struct amdgpu_ring *rings[AMDGPU_MAX_RINGS]; bool ib_pool_ready; struct amdgpu_sa_manager ring_tmp_bo; /* interrupts */ struct amdgpu_irq irq; /* powerplay */ struct amd_powerplay powerplay; bool pp_force_state_enabled; /* dpm */ struct amdgpu_pm pm; u32 cg_flags; u32 pg_flags; /* amdgpu smumgr */ struct amdgpu_smumgr smu; /* gfx */ struct amdgpu_gfx gfx; /* sdma */ struct amdgpu_sdma sdma; /* uvd */ struct amdgpu_uvd uvd; /* vce */ struct amdgpu_vce vce; /* vcn */ struct amdgpu_vcn vcn; /* firmwares */ struct amdgpu_firmware firmware; /* PSP */ struct psp_context psp; /* GDS */ struct amdgpu_gds gds; /* display related functionality */ struct amdgpu_display_manager dm; struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM]; int num_ip_blocks; struct mutex mn_lock; DECLARE_HASHTABLE(mn_hash, 7); /* tracking pinned memory */ atomic64_t vram_pin_size; atomic64_t visible_pin_size; atomic64_t gart_pin_size; /* amdkfd interface */ struct kfd_dev *kfd; /* soc15 register offset based on ip, instance and segment */ uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE]; const struct amdgpu_nbio_funcs *nbio_funcs; const struct amdgpu_df_funcs *df_funcs; /* delayed work_func for deferring clockgating during resume */ struct delayed_work late_init_work; struct amdgpu_virt virt; /* firmware VRAM reservation */ struct amdgpu_fw_vram_usage fw_vram_usage; /* link all shadow bo */ struct list_head shadow_list; struct mutex shadow_list_lock; /* keep an lru list of rings by HW IP */ struct list_head ring_lru_list; spinlock_t ring_lru_list_lock; /* record hw reset is performed */ bool has_hw_reset; u8 reset_magic[AMDGPU_RESET_MAGIC_NUM]; /* record last mm index being written through WREG32*/ unsigned long last_mm_index; bool in_gpu_reset; struct mutex lock_reset; }; static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev) { return container_of(bdev, struct amdgpu_device, mman.bdev); } int amdgpu_device_init(struct amdgpu_device *adev, struct drm_device *ddev, struct pci_dev *pdev, uint32_t flags); void amdgpu_device_fini(struct amdgpu_device *adev); int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev); uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, uint32_t acc_flags); void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, uint32_t acc_flags); void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value); uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset); u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg); void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v); u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index); void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v); u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index); void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v); bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type); bool amdgpu_device_has_dc_support(struct amdgpu_device *adev); int emu_soc_asic_init(struct amdgpu_device *adev); /* * Registers read & write functions. */ #define AMDGPU_REGS_IDX (1<<0) #define AMDGPU_REGS_NO_KIQ (1<<1) #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ) #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ) #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg)) #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v)) #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0) #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX) #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0)) #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0) #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX) #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK) #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK) #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg)) #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v)) #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg)) #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v)) #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg)) #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v)) #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg)) #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v)) #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg)) #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v)) #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg)) #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v)) #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg)) #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v)) #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg)) #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v)) #define WREG32_P(reg, val, mask) \ do { \ uint32_t tmp_ = RREG32(reg); \ tmp_ &= (mask); \ tmp_ |= ((val) & ~(mask)); \ WREG32(reg, tmp_); \ } while (0) #define WREG32_AND(reg, and) WREG32_P(reg, 0, and) #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or)) #define WREG32_PLL_P(reg, val, mask) \ do { \ uint32_t tmp_ = RREG32_PLL(reg); \ tmp_ &= (mask); \ tmp_ |= ((val) & ~(mask)); \ WREG32_PLL(reg, tmp_); \ } while (0) #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false)) #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg)) #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v)) #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index)) #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v)) #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index)) #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v)) #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK #define REG_SET_FIELD(orig_val, reg, field, field_val) \ (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \ (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field)))) #define REG_GET_FIELD(value, reg, field) \ (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field)) #define WREG32_FIELD(reg, field, val) \ WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) #define WREG32_FIELD_OFFSET(reg, offset, field, val) \ WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field)) /* * BIOS helpers. */ #define RBIOS8(i) (adev->bios[i]) #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8)) #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16)) static inline struct amdgpu_sdma_instance * amdgpu_get_sdma_instance(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; int i; for (i = 0; i < adev->sdma.num_instances; i++) if (&adev->sdma.instance[i].ring == ring) break; if (i < AMDGPU_MAX_SDMA_INSTANCES) return &adev->sdma.instance[i]; else return NULL; } /* * ASICs macro. */ #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state)) #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev)) #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev)) #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d)) #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec)) #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev)) #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l)) #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev)) #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev)) #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l)) #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v))) #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev)) #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r)) #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r)) #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev)) #define amdgpu_gmc_flush_gpu_tlb(adev, vmid) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid)) #define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, addr) (r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (addr)) #define amdgpu_gmc_emit_pasid_mapping(r, vmid, pasid) (r)->adev->gmc.gmc_funcs->emit_pasid_mapping((r), (vmid), (pasid)) #define amdgpu_gmc_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gmc.gmc_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags)) #define amdgpu_gmc_get_vm_pde(adev, level, dst, flags) (adev)->gmc.gmc_funcs->get_vm_pde((adev), (level), (dst), (flags)) #define amdgpu_gmc_get_pte_flags(adev, flags) (adev)->gmc.gmc_funcs->get_vm_pte_flags((adev),(flags)) #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count))) #define amdgpu_vm_write_pte(adev, ib, pe, value, count, incr) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (value), (count), (incr))) #define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags))) #define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib))) #define amdgpu_ring_patch_cs_in_place(r, p, ib) ((r)->funcs->patch_cs_in_place((p), (ib))) #define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r)) #define amdgpu_ring_test_ib(r, t) (r)->funcs->test_ib((r), (t)) #define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r)) #define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r)) #define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r)) #define amdgpu_ring_emit_ib(r, ib, vmid, c) (r)->funcs->emit_ib((r), (ib), (vmid), (c)) #define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r)) #define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr)) #define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags)) #define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as)) #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r)) #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r)) #define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d)) #define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d)) #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v)) #define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m)) #define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m)) #define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b)) #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib))) #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r)) #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o)) #define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev)) #define amdgpu_ih_prescreen_iv(adev) (adev)->irq.ih_funcs->prescreen_iv((adev)) #define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv)) #define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev)) #define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc)) #define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l)) #define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e)) #define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h)) #define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h)) #define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev)) #define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev)) #define amdgpu_display_page_flip(adev, crtc, base, async) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base), (async)) #define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos)) #define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c)) #define amdgpu_display_add_connector(adev, ci, sd, ct, ib, coi, h, r) (adev)->mode_info.funcs->add_connector((adev), (ci), (sd), (ct), (ib), (coi), (h), (r)) #define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b)) #define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b)) #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev)) #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance)) #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a)) #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i)) #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q)) /* Common functions */ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job* job, bool force); void amdgpu_device_pci_config_reset(struct amdgpu_device *adev); bool amdgpu_device_need_post(struct amdgpu_device *adev); void amdgpu_display_update_priority(struct amdgpu_device *adev); void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes, u64 num_vis_bytes); void amdgpu_device_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc, u64 base); void amdgpu_device_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc); int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev); void amdgpu_device_program_register_sequence(struct amdgpu_device *adev, const u32 *registers, const u32 array_size); bool amdgpu_device_is_px(struct drm_device *dev); /* atpx handler */ #if defined(CONFIG_VGA_SWITCHEROO) void amdgpu_register_atpx_handler(void); void amdgpu_unregister_atpx_handler(void); bool amdgpu_has_atpx_dgpu_power_cntl(void); bool amdgpu_is_atpx_hybrid(void); bool amdgpu_atpx_dgpu_req_power_for_displays(void); bool amdgpu_has_atpx(void); #else static inline void amdgpu_register_atpx_handler(void) {} static inline void amdgpu_unregister_atpx_handler(void) {} static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; } static inline bool amdgpu_is_atpx_hybrid(void) { return false; } static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; } static inline bool amdgpu_has_atpx(void) { return false; } #endif #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI) void *amdgpu_atpx_get_dhandle(void); #else static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; } #endif /* * KMS */ extern const struct drm_ioctl_desc amdgpu_ioctls_kms[]; extern const int amdgpu_max_kms_ioctl; int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags); void amdgpu_driver_unload_kms(struct drm_device *dev); void amdgpu_driver_lastclose_kms(struct drm_device *dev); int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); void amdgpu_driver_postclose_kms(struct drm_device *dev, struct drm_file *file_priv); int amdgpu_device_ip_suspend(struct amdgpu_device *adev); int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon); int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon); u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe); int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe); void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe); long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* * functions used by amdgpu_encoder.c */ struct amdgpu_afmt_acr { u32 clock; int n_32khz; int cts_32khz; int n_44_1khz; int cts_44_1khz; int n_48khz; int cts_48khz; }; struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock); /* amdgpu_acpi.c */ #if defined(CONFIG_ACPI) int amdgpu_acpi_init(struct amdgpu_device *adev); void amdgpu_acpi_fini(struct amdgpu_device *adev); bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev); int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev, u8 perf_req, bool advertise); int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev); #else static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; } static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { } #endif int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, uint64_t addr, struct amdgpu_bo **bo, struct amdgpu_bo_va_mapping **mapping); #if defined(CONFIG_DRM_AMD_DC) int amdgpu_dm_display_resume(struct amdgpu_device *adev ); #else static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; } #endif #include "amdgpu_object.h" #endif