1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #ifndef __AMDGPU_H__
29 #define __AMDGPU_H__
30 
31 #ifdef pr_fmt
32 #undef pr_fmt
33 #endif
34 
35 #define pr_fmt(fmt) "amdgpu: " fmt
36 
37 #ifdef dev_fmt
38 #undef dev_fmt
39 #endif
40 
41 #define dev_fmt(fmt) "amdgpu: " fmt
42 
43 #include "amdgpu_ctx.h"
44 
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53 
54 #include <drm/ttm/ttm_bo.h>
55 #include <drm/ttm/ttm_placement.h>
56 
57 #include <drm/amdgpu_drm.h>
58 #include <drm/drm_gem.h>
59 #include <drm/drm_ioctl.h>
60 
61 #include <kgd_kfd_interface.h>
62 #include "dm_pp_interface.h"
63 #include "kgd_pp_interface.h"
64 
65 #include "amd_shared.h"
66 #include "amdgpu_mode.h"
67 #include "amdgpu_ih.h"
68 #include "amdgpu_irq.h"
69 #include "amdgpu_ucode.h"
70 #include "amdgpu_ttm.h"
71 #include "amdgpu_psp.h"
72 #include "amdgpu_gds.h"
73 #include "amdgpu_sync.h"
74 #include "amdgpu_ring.h"
75 #include "amdgpu_vm.h"
76 #include "amdgpu_dpm.h"
77 #include "amdgpu_acp.h"
78 #include "amdgpu_uvd.h"
79 #include "amdgpu_vce.h"
80 #include "amdgpu_vcn.h"
81 #include "amdgpu_jpeg.h"
82 #include "amdgpu_gmc.h"
83 #include "amdgpu_gfx.h"
84 #include "amdgpu_sdma.h"
85 #include "amdgpu_lsdma.h"
86 #include "amdgpu_nbio.h"
87 #include "amdgpu_hdp.h"
88 #include "amdgpu_dm.h"
89 #include "amdgpu_virt.h"
90 #include "amdgpu_csa.h"
91 #include "amdgpu_mes_ctx.h"
92 #include "amdgpu_gart.h"
93 #include "amdgpu_debugfs.h"
94 #include "amdgpu_job.h"
95 #include "amdgpu_bo_list.h"
96 #include "amdgpu_gem.h"
97 #include "amdgpu_doorbell.h"
98 #include "amdgpu_amdkfd.h"
99 #include "amdgpu_discovery.h"
100 #include "amdgpu_mes.h"
101 #include "amdgpu_umc.h"
102 #include "amdgpu_mmhub.h"
103 #include "amdgpu_gfxhub.h"
104 #include "amdgpu_df.h"
105 #include "amdgpu_smuio.h"
106 #include "amdgpu_fdinfo.h"
107 #include "amdgpu_mca.h"
108 #include "amdgpu_ras.h"
109 #include "amdgpu_xcp.h"
110 
111 #define MAX_GPU_INSTANCE		64
112 
113 struct amdgpu_gpu_instance
114 {
115 	struct amdgpu_device		*adev;
116 	int				mgpu_fan_enabled;
117 };
118 
119 struct amdgpu_mgpu_info
120 {
121 	struct amdgpu_gpu_instance	gpu_ins[MAX_GPU_INSTANCE];
122 	struct mutex			mutex;
123 	uint32_t			num_gpu;
124 	uint32_t			num_dgpu;
125 	uint32_t			num_apu;
126 
127 	/* delayed reset_func for XGMI configuration if necessary */
128 	struct delayed_work		delayed_reset_work;
129 	bool				pending_reset;
130 };
131 
132 enum amdgpu_ss {
133 	AMDGPU_SS_DRV_LOAD,
134 	AMDGPU_SS_DEV_D0,
135 	AMDGPU_SS_DEV_D3,
136 	AMDGPU_SS_DRV_UNLOAD
137 };
138 
139 struct amdgpu_watchdog_timer
140 {
141 	bool timeout_fatal_disable;
142 	uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
143 };
144 
145 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH	256
146 
147 /*
148  * Modules parameters.
149  */
150 extern int amdgpu_modeset;
151 extern unsigned int amdgpu_vram_limit;
152 extern int amdgpu_vis_vram_limit;
153 extern int amdgpu_gart_size;
154 extern int amdgpu_gtt_size;
155 extern int amdgpu_moverate;
156 extern int amdgpu_audio;
157 extern int amdgpu_disp_priority;
158 extern int amdgpu_hw_i2c;
159 extern int amdgpu_pcie_gen2;
160 extern int amdgpu_msi;
161 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
162 extern int amdgpu_dpm;
163 extern int amdgpu_fw_load_type;
164 extern int amdgpu_aspm;
165 extern int amdgpu_runtime_pm;
166 extern uint amdgpu_ip_block_mask;
167 extern int amdgpu_bapm;
168 extern int amdgpu_deep_color;
169 extern int amdgpu_vm_size;
170 extern int amdgpu_vm_block_size;
171 extern int amdgpu_vm_fragment_size;
172 extern int amdgpu_vm_fault_stop;
173 extern int amdgpu_vm_debug;
174 extern int amdgpu_vm_update_mode;
175 extern int amdgpu_exp_hw_support;
176 extern int amdgpu_dc;
177 extern int amdgpu_sched_jobs;
178 extern int amdgpu_sched_hw_submission;
179 extern uint amdgpu_pcie_gen_cap;
180 extern uint amdgpu_pcie_lane_cap;
181 extern u64 amdgpu_cg_mask;
182 extern uint amdgpu_pg_mask;
183 extern uint amdgpu_sdma_phase_quantum;
184 extern char *amdgpu_disable_cu;
185 extern char *amdgpu_virtual_display;
186 extern uint amdgpu_pp_feature_mask;
187 extern uint amdgpu_force_long_training;
188 extern int amdgpu_lbpw;
189 extern int amdgpu_compute_multipipe;
190 extern int amdgpu_gpu_recovery;
191 extern int amdgpu_emu_mode;
192 extern uint amdgpu_smu_memory_pool_size;
193 extern int amdgpu_smu_pptable_id;
194 extern uint amdgpu_dc_feature_mask;
195 extern uint amdgpu_dc_debug_mask;
196 extern uint amdgpu_dc_visual_confirm;
197 extern uint amdgpu_dm_abm_level;
198 extern int amdgpu_backlight;
199 extern struct amdgpu_mgpu_info mgpu_info;
200 extern int amdgpu_ras_enable;
201 extern uint amdgpu_ras_mask;
202 extern int amdgpu_bad_page_threshold;
203 extern bool amdgpu_ignore_bad_page_threshold;
204 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
205 extern int amdgpu_async_gfx_ring;
206 extern int amdgpu_mcbp;
207 extern int amdgpu_discovery;
208 extern int amdgpu_mes;
209 extern int amdgpu_mes_kiq;
210 extern int amdgpu_noretry;
211 extern int amdgpu_force_asic_type;
212 extern int amdgpu_smartshift_bias;
213 extern int amdgpu_use_xgmi_p2p;
214 extern int amdgpu_mtype_local;
215 extern bool enforce_isolation;
216 #ifdef CONFIG_HSA_AMD
217 extern int sched_policy;
218 extern bool debug_evictions;
219 extern bool no_system_mem_limit;
220 extern int halt_if_hws_hang;
221 #else
222 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
223 static const bool __maybe_unused debug_evictions; /* = false */
224 static const bool __maybe_unused no_system_mem_limit;
225 static const int __maybe_unused halt_if_hws_hang;
226 #endif
227 #ifdef CONFIG_HSA_AMD_P2P
228 extern bool pcie_p2p;
229 #endif
230 
231 extern int amdgpu_tmz;
232 extern int amdgpu_reset_method;
233 
234 #ifdef CONFIG_DRM_AMDGPU_SI
235 extern int amdgpu_si_support;
236 #endif
237 #ifdef CONFIG_DRM_AMDGPU_CIK
238 extern int amdgpu_cik_support;
239 #endif
240 extern int amdgpu_num_kcq;
241 
242 #define AMDGPU_VCNFW_LOG_SIZE (32 * 1024)
243 extern int amdgpu_vcnfw_log;
244 extern int amdgpu_sg_display;
245 
246 extern int amdgpu_user_partt_mode;
247 
248 #define AMDGPU_VM_MAX_NUM_CTX			4096
249 #define AMDGPU_SG_THRESHOLD			(256*1024*1024)
250 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
251 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
252 #define AMDGPU_FENCE_JIFFIES_TIMEOUT		(HZ / 2)
253 #define AMDGPU_DEBUGFS_MAX_COMPONENTS		32
254 #define AMDGPUFB_CONN_LIMIT			4
255 #define AMDGPU_BIOS_NUM_SCRATCH			16
256 
257 #define AMDGPU_VBIOS_VGA_ALLOCATION		(9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
258 
259 /* hard reset data */
260 #define AMDGPU_ASIC_RESET_DATA                  0x39d5e86b
261 
262 /* reset flags */
263 #define AMDGPU_RESET_GFX			(1 << 0)
264 #define AMDGPU_RESET_COMPUTE			(1 << 1)
265 #define AMDGPU_RESET_DMA			(1 << 2)
266 #define AMDGPU_RESET_CP				(1 << 3)
267 #define AMDGPU_RESET_GRBM			(1 << 4)
268 #define AMDGPU_RESET_DMA1			(1 << 5)
269 #define AMDGPU_RESET_RLC			(1 << 6)
270 #define AMDGPU_RESET_SEM			(1 << 7)
271 #define AMDGPU_RESET_IH				(1 << 8)
272 #define AMDGPU_RESET_VMC			(1 << 9)
273 #define AMDGPU_RESET_MC				(1 << 10)
274 #define AMDGPU_RESET_DISPLAY			(1 << 11)
275 #define AMDGPU_RESET_UVD			(1 << 12)
276 #define AMDGPU_RESET_VCE			(1 << 13)
277 #define AMDGPU_RESET_VCE1			(1 << 14)
278 
279 /* max cursor sizes (in pixels) */
280 #define CIK_CURSOR_WIDTH 128
281 #define CIK_CURSOR_HEIGHT 128
282 
283 /* smart shift bias level limits */
284 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
285 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
286 
287 /* Extra time delay(in ms) to eliminate the influence of temperature momentary fluctuation */
288 #define AMDGPU_SWCTF_EXTRA_DELAY		50
289 
290 struct amdgpu_xcp_mgr;
291 struct amdgpu_device;
292 struct amdgpu_irq_src;
293 struct amdgpu_fpriv;
294 struct amdgpu_bo_va_mapping;
295 struct kfd_vm_fault_info;
296 struct amdgpu_hive_info;
297 struct amdgpu_reset_context;
298 struct amdgpu_reset_control;
299 
300 enum amdgpu_cp_irq {
301 	AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
302 	AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
303 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
304 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
305 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
306 	AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
307 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
308 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
309 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
310 	AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
311 
312 	AMDGPU_CP_IRQ_LAST
313 };
314 
315 enum amdgpu_thermal_irq {
316 	AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
317 	AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
318 
319 	AMDGPU_THERMAL_IRQ_LAST
320 };
321 
322 enum amdgpu_kiq_irq {
323 	AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
324 	AMDGPU_CP_KIQ_IRQ_LAST
325 };
326 #define SRIOV_USEC_TIMEOUT  1200000 /* wait 12 * 100ms for SRIOV */
327 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
328 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
329 #define MAX_KIQ_REG_TRY 1000
330 
331 int amdgpu_device_ip_set_clockgating_state(void *dev,
332 					   enum amd_ip_block_type block_type,
333 					   enum amd_clockgating_state state);
334 int amdgpu_device_ip_set_powergating_state(void *dev,
335 					   enum amd_ip_block_type block_type,
336 					   enum amd_powergating_state state);
337 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
338 					    u64 *flags);
339 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
340 				   enum amd_ip_block_type block_type);
341 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
342 			      enum amd_ip_block_type block_type);
343 
344 #define AMDGPU_MAX_IP_NUM 16
345 
346 struct amdgpu_ip_block_status {
347 	bool valid;
348 	bool sw;
349 	bool hw;
350 	bool late_initialized;
351 	bool hang;
352 };
353 
354 struct amdgpu_ip_block_version {
355 	const enum amd_ip_block_type type;
356 	const u32 major;
357 	const u32 minor;
358 	const u32 rev;
359 	const struct amd_ip_funcs *funcs;
360 };
361 
362 #define HW_REV(_Major, _Minor, _Rev) \
363 	((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
364 
365 struct amdgpu_ip_block {
366 	struct amdgpu_ip_block_status status;
367 	const struct amdgpu_ip_block_version *version;
368 };
369 
370 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
371 				       enum amd_ip_block_type type,
372 				       u32 major, u32 minor);
373 
374 struct amdgpu_ip_block *
375 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
376 			      enum amd_ip_block_type type);
377 
378 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
379 			       const struct amdgpu_ip_block_version *ip_block_version);
380 
381 /*
382  * BIOS.
383  */
384 bool amdgpu_get_bios(struct amdgpu_device *adev);
385 bool amdgpu_read_bios(struct amdgpu_device *adev);
386 bool amdgpu_soc15_read_bios_from_rom(struct amdgpu_device *adev,
387 				     u8 *bios, u32 length_bytes);
388 /*
389  * Clocks
390  */
391 
392 #define AMDGPU_MAX_PPLL 3
393 
394 struct amdgpu_clock {
395 	struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
396 	struct amdgpu_pll spll;
397 	struct amdgpu_pll mpll;
398 	/* 10 Khz units */
399 	uint32_t default_mclk;
400 	uint32_t default_sclk;
401 	uint32_t default_dispclk;
402 	uint32_t current_dispclk;
403 	uint32_t dp_extclk;
404 	uint32_t max_pixel_clock;
405 };
406 
407 /* sub-allocation manager, it has to be protected by another lock.
408  * By conception this is an helper for other part of the driver
409  * like the indirect buffer or semaphore, which both have their
410  * locking.
411  *
412  * Principe is simple, we keep a list of sub allocation in offset
413  * order (first entry has offset == 0, last entry has the highest
414  * offset).
415  *
416  * When allocating new object we first check if there is room at
417  * the end total_size - (last_object_offset + last_object_size) >=
418  * alloc_size. If so we allocate new object there.
419  *
420  * When there is not enough room at the end, we start waiting for
421  * each sub object until we reach object_offset+object_size >=
422  * alloc_size, this object then become the sub object we return.
423  *
424  * Alignment can't be bigger than page size.
425  *
426  * Hole are not considered for allocation to keep things simple.
427  * Assumption is that there won't be hole (all object on same
428  * alignment).
429  */
430 
431 struct amdgpu_sa_manager {
432 	struct drm_suballoc_manager	base;
433 	struct amdgpu_bo		*bo;
434 	uint64_t			gpu_addr;
435 	void				*cpu_ptr;
436 };
437 
438 int amdgpu_fence_slab_init(void);
439 void amdgpu_fence_slab_fini(void);
440 
441 /*
442  * IRQS.
443  */
444 
445 struct amdgpu_flip_work {
446 	struct delayed_work		flip_work;
447 	struct work_struct		unpin_work;
448 	struct amdgpu_device		*adev;
449 	int				crtc_id;
450 	u32				target_vblank;
451 	uint64_t			base;
452 	struct drm_pending_vblank_event *event;
453 	struct amdgpu_bo		*old_abo;
454 	unsigned			shared_count;
455 	struct dma_fence		**shared;
456 	struct dma_fence_cb		cb;
457 	bool				async;
458 };
459 
460 
461 /*
462  * file private structure
463  */
464 
465 struct amdgpu_fpriv {
466 	struct amdgpu_vm	vm;
467 	struct amdgpu_bo_va	*prt_va;
468 	struct amdgpu_bo_va	*csa_va;
469 	struct mutex		bo_list_lock;
470 	struct idr		bo_list_handles;
471 	struct amdgpu_ctx_mgr	ctx_mgr;
472 	/** GPU partition selection */
473 	uint32_t		xcp_id;
474 };
475 
476 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
477 
478 /*
479  * Writeback
480  */
481 #define AMDGPU_MAX_WB 1024	/* Reserve at most 1024 WB slots for amdgpu-owned rings. */
482 
483 struct amdgpu_wb {
484 	struct amdgpu_bo	*wb_obj;
485 	volatile uint32_t	*wb;
486 	uint64_t		gpu_addr;
487 	u32			num_wb;	/* Number of wb slots actually reserved for amdgpu. */
488 	unsigned long		used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
489 };
490 
491 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
492 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
493 
494 /*
495  * Benchmarking
496  */
497 int amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
498 
499 /*
500  * ASIC specific register table accessible by UMD
501  */
502 struct amdgpu_allowed_register_entry {
503 	uint32_t reg_offset;
504 	bool grbm_indexed;
505 };
506 
507 enum amd_reset_method {
508 	AMD_RESET_METHOD_NONE = -1,
509 	AMD_RESET_METHOD_LEGACY = 0,
510 	AMD_RESET_METHOD_MODE0,
511 	AMD_RESET_METHOD_MODE1,
512 	AMD_RESET_METHOD_MODE2,
513 	AMD_RESET_METHOD_BACO,
514 	AMD_RESET_METHOD_PCI,
515 };
516 
517 struct amdgpu_video_codec_info {
518 	u32 codec_type;
519 	u32 max_width;
520 	u32 max_height;
521 	u32 max_pixels_per_frame;
522 	u32 max_level;
523 };
524 
525 #define codec_info_build(type, width, height, level) \
526 			 .codec_type = type,\
527 			 .max_width = width,\
528 			 .max_height = height,\
529 			 .max_pixels_per_frame = height * width,\
530 			 .max_level = level,
531 
532 struct amdgpu_video_codecs {
533 	const u32 codec_count;
534 	const struct amdgpu_video_codec_info *codec_array;
535 };
536 
537 /*
538  * ASIC specific functions.
539  */
540 struct amdgpu_asic_funcs {
541 	bool (*read_disabled_bios)(struct amdgpu_device *adev);
542 	bool (*read_bios_from_rom)(struct amdgpu_device *adev,
543 				   u8 *bios, u32 length_bytes);
544 	int (*read_register)(struct amdgpu_device *adev, u32 se_num,
545 			     u32 sh_num, u32 reg_offset, u32 *value);
546 	void (*set_vga_state)(struct amdgpu_device *adev, bool state);
547 	int (*reset)(struct amdgpu_device *adev);
548 	enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
549 	/* get the reference clock */
550 	u32 (*get_xclk)(struct amdgpu_device *adev);
551 	/* MM block clocks */
552 	int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
553 	int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
554 	/* static power management */
555 	int (*get_pcie_lanes)(struct amdgpu_device *adev);
556 	void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
557 	/* get config memsize register */
558 	u32 (*get_config_memsize)(struct amdgpu_device *adev);
559 	/* flush hdp write queue */
560 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
561 	/* invalidate hdp read cache */
562 	void (*invalidate_hdp)(struct amdgpu_device *adev,
563 			       struct amdgpu_ring *ring);
564 	/* check if the asic needs a full reset of if soft reset will work */
565 	bool (*need_full_reset)(struct amdgpu_device *adev);
566 	/* initialize doorbell layout for specific asic*/
567 	void (*init_doorbell_index)(struct amdgpu_device *adev);
568 	/* PCIe bandwidth usage */
569 	void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
570 			       uint64_t *count1);
571 	/* do we need to reset the asic at init time (e.g., kexec) */
572 	bool (*need_reset_on_init)(struct amdgpu_device *adev);
573 	/* PCIe replay counter */
574 	uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
575 	/* device supports BACO */
576 	bool (*supports_baco)(struct amdgpu_device *adev);
577 	/* pre asic_init quirks */
578 	void (*pre_asic_init)(struct amdgpu_device *adev);
579 	/* enter/exit umd stable pstate */
580 	int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
581 	/* query video codecs */
582 	int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
583 				  const struct amdgpu_video_codecs **codecs);
584 	/* encode "> 32bits" smn addressing */
585 	u64 (*encode_ext_smn_addressing)(int ext_id);
586 };
587 
588 /*
589  * IOCTL.
590  */
591 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
592 				struct drm_file *filp);
593 
594 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
595 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
596 				    struct drm_file *filp);
597 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
598 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
599 				struct drm_file *filp);
600 
601 /* VRAM scratch page for HDP bug, default vram page */
602 struct amdgpu_mem_scratch {
603 	struct amdgpu_bo		*robj;
604 	volatile uint32_t		*ptr;
605 	u64				gpu_addr;
606 };
607 
608 /*
609  * CGS
610  */
611 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
612 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
613 
614 /*
615  * Core structure, functions and helpers.
616  */
617 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
618 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
619 
620 typedef uint32_t (*amdgpu_rreg_ext_t)(struct amdgpu_device*, uint64_t);
621 typedef void (*amdgpu_wreg_ext_t)(struct amdgpu_device*, uint64_t, uint32_t);
622 
623 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
624 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
625 
626 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
627 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
628 
629 struct amdgpu_mmio_remap {
630 	u32 reg_offset;
631 	resource_size_t bus_addr;
632 };
633 
634 /* Define the HW IP blocks will be used in driver , add more if necessary */
635 enum amd_hw_ip_block_type {
636 	GC_HWIP = 1,
637 	HDP_HWIP,
638 	SDMA0_HWIP,
639 	SDMA1_HWIP,
640 	SDMA2_HWIP,
641 	SDMA3_HWIP,
642 	SDMA4_HWIP,
643 	SDMA5_HWIP,
644 	SDMA6_HWIP,
645 	SDMA7_HWIP,
646 	LSDMA_HWIP,
647 	MMHUB_HWIP,
648 	ATHUB_HWIP,
649 	NBIO_HWIP,
650 	MP0_HWIP,
651 	MP1_HWIP,
652 	UVD_HWIP,
653 	VCN_HWIP = UVD_HWIP,
654 	JPEG_HWIP = VCN_HWIP,
655 	VCN1_HWIP,
656 	VCE_HWIP,
657 	DF_HWIP,
658 	DCE_HWIP,
659 	OSSSYS_HWIP,
660 	SMUIO_HWIP,
661 	PWR_HWIP,
662 	NBIF_HWIP,
663 	THM_HWIP,
664 	CLK_HWIP,
665 	UMC_HWIP,
666 	RSMU_HWIP,
667 	XGMI_HWIP,
668 	DCI_HWIP,
669 	PCIE_HWIP,
670 	MAX_HWIP
671 };
672 
673 #define HWIP_MAX_INSTANCE	44
674 
675 #define HW_ID_MAX		300
676 #define IP_VERSION(mj, mn, rv) (((mj) << 16) | ((mn) << 8) | (rv))
677 #define IP_VERSION_MAJ(ver) ((ver) >> 16)
678 #define IP_VERSION_MIN(ver) (((ver) >> 8) & 0xFF)
679 #define IP_VERSION_REV(ver) ((ver) & 0xFF)
680 
681 struct amdgpu_ip_map_info {
682 	/* Map of logical to actual dev instances/mask */
683 	uint32_t 		dev_inst[MAX_HWIP][HWIP_MAX_INSTANCE];
684 	int8_t (*logical_to_dev_inst)(struct amdgpu_device *adev,
685 				      enum amd_hw_ip_block_type block,
686 				      int8_t inst);
687 	uint32_t (*logical_to_dev_mask)(struct amdgpu_device *adev,
688 					enum amd_hw_ip_block_type block,
689 					uint32_t mask);
690 };
691 
692 struct amd_powerplay {
693 	void *pp_handle;
694 	const struct amd_pm_funcs *pp_funcs;
695 };
696 
697 struct ip_discovery_top;
698 
699 /* polaris10 kickers */
700 #define ASICID_IS_P20(did, rid)		(((did == 0x67DF) && \
701 					 ((rid == 0xE3) || \
702 					  (rid == 0xE4) || \
703 					  (rid == 0xE5) || \
704 					  (rid == 0xE7) || \
705 					  (rid == 0xEF))) || \
706 					 ((did == 0x6FDF) && \
707 					 ((rid == 0xE7) || \
708 					  (rid == 0xEF) || \
709 					  (rid == 0xFF))))
710 
711 #define ASICID_IS_P30(did, rid)		((did == 0x67DF) && \
712 					((rid == 0xE1) || \
713 					 (rid == 0xF7)))
714 
715 /* polaris11 kickers */
716 #define ASICID_IS_P21(did, rid)		(((did == 0x67EF) && \
717 					 ((rid == 0xE0) || \
718 					  (rid == 0xE5))) || \
719 					 ((did == 0x67FF) && \
720 					 ((rid == 0xCF) || \
721 					  (rid == 0xEF) || \
722 					  (rid == 0xFF))))
723 
724 #define ASICID_IS_P31(did, rid)		((did == 0x67EF) && \
725 					((rid == 0xE2)))
726 
727 /* polaris12 kickers */
728 #define ASICID_IS_P23(did, rid)		(((did == 0x6987) && \
729 					 ((rid == 0xC0) || \
730 					  (rid == 0xC1) || \
731 					  (rid == 0xC3) || \
732 					  (rid == 0xC7))) || \
733 					 ((did == 0x6981) && \
734 					 ((rid == 0x00) || \
735 					  (rid == 0x01) || \
736 					  (rid == 0x10))))
737 
738 struct amdgpu_mqd_prop {
739 	uint64_t mqd_gpu_addr;
740 	uint64_t hqd_base_gpu_addr;
741 	uint64_t rptr_gpu_addr;
742 	uint64_t wptr_gpu_addr;
743 	uint32_t queue_size;
744 	bool use_doorbell;
745 	uint32_t doorbell_index;
746 	uint64_t eop_gpu_addr;
747 	uint32_t hqd_pipe_priority;
748 	uint32_t hqd_queue_priority;
749 	bool hqd_active;
750 };
751 
752 struct amdgpu_mqd {
753 	unsigned mqd_size;
754 	int (*init_mqd)(struct amdgpu_device *adev, void *mqd,
755 			struct amdgpu_mqd_prop *p);
756 };
757 
758 #define AMDGPU_RESET_MAGIC_NUM 64
759 #define AMDGPU_MAX_DF_PERFMONS 4
760 #define AMDGPU_PRODUCT_NAME_LEN 64
761 struct amdgpu_reset_domain;
762 
763 /*
764  * Non-zero (true) if the GPU has VRAM. Zero (false) otherwise.
765  */
766 #define AMDGPU_HAS_VRAM(_adev) ((_adev)->gmc.real_vram_size)
767 
768 struct amdgpu_device {
769 	struct device			*dev;
770 	struct pci_dev			*pdev;
771 	struct drm_device		ddev;
772 
773 #ifdef CONFIG_DRM_AMD_ACP
774 	struct amdgpu_acp		acp;
775 #endif
776 	struct amdgpu_hive_info *hive;
777 	struct amdgpu_xcp_mgr *xcp_mgr;
778 	/* ASIC */
779 	enum amd_asic_type		asic_type;
780 	uint32_t			family;
781 	uint32_t			rev_id;
782 	uint32_t			external_rev_id;
783 	unsigned long			flags;
784 	unsigned long			apu_flags;
785 	int				usec_timeout;
786 	const struct amdgpu_asic_funcs	*asic_funcs;
787 	bool				shutdown;
788 	bool				need_swiotlb;
789 	bool				accel_working;
790 	struct notifier_block		acpi_nb;
791 	struct amdgpu_i2c_chan		*i2c_bus[AMDGPU_MAX_I2C_BUS];
792 	struct debugfs_blob_wrapper     debugfs_vbios_blob;
793 	struct debugfs_blob_wrapper     debugfs_discovery_blob;
794 	struct mutex			srbm_mutex;
795 	/* GRBM index mutex. Protects concurrent access to GRBM index */
796 	struct mutex                    grbm_idx_mutex;
797 	struct dev_pm_domain		vga_pm_domain;
798 	bool				have_disp_power_ref;
799 	bool                            have_atomics_support;
800 
801 	/* BIOS */
802 	bool				is_atom_fw;
803 	uint8_t				*bios;
804 	uint32_t			bios_size;
805 	uint32_t			bios_scratch_reg_offset;
806 	uint32_t			bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
807 
808 	/* Register/doorbell mmio */
809 	resource_size_t			rmmio_base;
810 	resource_size_t			rmmio_size;
811 	void __iomem			*rmmio;
812 	/* protects concurrent MM_INDEX/DATA based register access */
813 	spinlock_t mmio_idx_lock;
814 	struct amdgpu_mmio_remap        rmmio_remap;
815 	/* protects concurrent SMC based register access */
816 	spinlock_t smc_idx_lock;
817 	amdgpu_rreg_t			smc_rreg;
818 	amdgpu_wreg_t			smc_wreg;
819 	/* protects concurrent PCIE register access */
820 	spinlock_t pcie_idx_lock;
821 	amdgpu_rreg_t			pcie_rreg;
822 	amdgpu_wreg_t			pcie_wreg;
823 	amdgpu_rreg_t			pciep_rreg;
824 	amdgpu_wreg_t			pciep_wreg;
825 	amdgpu_rreg_ext_t		pcie_rreg_ext;
826 	amdgpu_wreg_ext_t		pcie_wreg_ext;
827 	amdgpu_rreg64_t			pcie_rreg64;
828 	amdgpu_wreg64_t			pcie_wreg64;
829 	/* protects concurrent UVD register access */
830 	spinlock_t uvd_ctx_idx_lock;
831 	amdgpu_rreg_t			uvd_ctx_rreg;
832 	amdgpu_wreg_t			uvd_ctx_wreg;
833 	/* protects concurrent DIDT register access */
834 	spinlock_t didt_idx_lock;
835 	amdgpu_rreg_t			didt_rreg;
836 	amdgpu_wreg_t			didt_wreg;
837 	/* protects concurrent gc_cac register access */
838 	spinlock_t gc_cac_idx_lock;
839 	amdgpu_rreg_t			gc_cac_rreg;
840 	amdgpu_wreg_t			gc_cac_wreg;
841 	/* protects concurrent se_cac register access */
842 	spinlock_t se_cac_idx_lock;
843 	amdgpu_rreg_t			se_cac_rreg;
844 	amdgpu_wreg_t			se_cac_wreg;
845 	/* protects concurrent ENDPOINT (audio) register access */
846 	spinlock_t audio_endpt_idx_lock;
847 	amdgpu_block_rreg_t		audio_endpt_rreg;
848 	amdgpu_block_wreg_t		audio_endpt_wreg;
849 	struct amdgpu_doorbell		doorbell;
850 
851 	/* clock/pll info */
852 	struct amdgpu_clock            clock;
853 
854 	/* MC */
855 	struct amdgpu_gmc		gmc;
856 	struct amdgpu_gart		gart;
857 	dma_addr_t			dummy_page_addr;
858 	struct amdgpu_vm_manager	vm_manager;
859 	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
860 	DECLARE_BITMAP(vmhubs_mask, AMDGPU_MAX_VMHUBS);
861 
862 	/* memory management */
863 	struct amdgpu_mman		mman;
864 	struct amdgpu_mem_scratch	mem_scratch;
865 	struct amdgpu_wb		wb;
866 	atomic64_t			num_bytes_moved;
867 	atomic64_t			num_evictions;
868 	atomic64_t			num_vram_cpu_page_faults;
869 	atomic_t			gpu_reset_counter;
870 	atomic_t			vram_lost_counter;
871 
872 	/* data for buffer migration throttling */
873 	struct {
874 		spinlock_t		lock;
875 		s64			last_update_us;
876 		s64			accum_us; /* accumulated microseconds */
877 		s64			accum_us_vis; /* for visible VRAM */
878 		u32			log2_max_MBps;
879 	} mm_stats;
880 
881 	/* display */
882 	bool				enable_virtual_display;
883 	struct amdgpu_vkms_output       *amdgpu_vkms_output;
884 	struct amdgpu_mode_info		mode_info;
885 	/* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
886 	struct delayed_work         hotplug_work;
887 	struct amdgpu_irq_src		crtc_irq;
888 	struct amdgpu_irq_src		vline0_irq;
889 	struct amdgpu_irq_src		vupdate_irq;
890 	struct amdgpu_irq_src		pageflip_irq;
891 	struct amdgpu_irq_src		hpd_irq;
892 	struct amdgpu_irq_src		dmub_trace_irq;
893 	struct amdgpu_irq_src		dmub_outbox_irq;
894 
895 	/* rings */
896 	u64				fence_context;
897 	unsigned			num_rings;
898 	struct amdgpu_ring		*rings[AMDGPU_MAX_RINGS];
899 	struct dma_fence __rcu		*gang_submit;
900 	bool				ib_pool_ready;
901 	struct amdgpu_sa_manager	ib_pools[AMDGPU_IB_POOL_MAX];
902 	struct amdgpu_sched		gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
903 
904 	/* interrupts */
905 	struct amdgpu_irq		irq;
906 
907 	/* powerplay */
908 	struct amd_powerplay		powerplay;
909 	struct amdgpu_pm		pm;
910 	u64				cg_flags;
911 	u32				pg_flags;
912 
913 	/* nbio */
914 	struct amdgpu_nbio		nbio;
915 
916 	/* hdp */
917 	struct amdgpu_hdp		hdp;
918 
919 	/* smuio */
920 	struct amdgpu_smuio		smuio;
921 
922 	/* mmhub */
923 	struct amdgpu_mmhub		mmhub;
924 
925 	/* gfxhub */
926 	struct amdgpu_gfxhub		gfxhub;
927 
928 	/* gfx */
929 	struct amdgpu_gfx		gfx;
930 
931 	/* sdma */
932 	struct amdgpu_sdma		sdma;
933 
934 	/* lsdma */
935 	struct amdgpu_lsdma		lsdma;
936 
937 	/* uvd */
938 	struct amdgpu_uvd		uvd;
939 
940 	/* vce */
941 	struct amdgpu_vce		vce;
942 
943 	/* vcn */
944 	struct amdgpu_vcn		vcn;
945 
946 	/* jpeg */
947 	struct amdgpu_jpeg		jpeg;
948 
949 	/* firmwares */
950 	struct amdgpu_firmware		firmware;
951 
952 	/* PSP */
953 	struct psp_context		psp;
954 
955 	/* GDS */
956 	struct amdgpu_gds		gds;
957 
958 	/* KFD */
959 	struct amdgpu_kfd_dev		kfd;
960 
961 	/* UMC */
962 	struct amdgpu_umc		umc;
963 
964 	/* display related functionality */
965 	struct amdgpu_display_manager dm;
966 
967 	/* mes */
968 	bool                            enable_mes;
969 	bool                            enable_mes_kiq;
970 	struct amdgpu_mes               mes;
971 	struct amdgpu_mqd               mqds[AMDGPU_HW_IP_NUM];
972 
973 	/* df */
974 	struct amdgpu_df                df;
975 
976 	/* MCA */
977 	struct amdgpu_mca               mca;
978 
979 	struct amdgpu_ip_block          ip_blocks[AMDGPU_MAX_IP_NUM];
980 	uint32_t		        harvest_ip_mask;
981 	int				num_ip_blocks;
982 	struct mutex	mn_lock;
983 	DECLARE_HASHTABLE(mn_hash, 7);
984 
985 	/* tracking pinned memory */
986 	atomic64_t vram_pin_size;
987 	atomic64_t visible_pin_size;
988 	atomic64_t gart_pin_size;
989 
990 	/* soc15 register offset based on ip, instance and  segment */
991 	uint32_t		*reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
992 	struct amdgpu_ip_map_info	ip_map;
993 
994 	/* delayed work_func for deferring clockgating during resume */
995 	struct delayed_work     delayed_init_work;
996 
997 	struct amdgpu_virt	virt;
998 
999 	/* link all shadow bo */
1000 	struct list_head                shadow_list;
1001 	struct mutex                    shadow_list_lock;
1002 
1003 	/* record hw reset is performed */
1004 	bool has_hw_reset;
1005 	u8				reset_magic[AMDGPU_RESET_MAGIC_NUM];
1006 
1007 	/* s3/s4 mask */
1008 	bool                            in_suspend;
1009 	bool				in_s3;
1010 	bool				in_s4;
1011 	bool				in_s0ix;
1012 
1013 	enum pp_mp1_state               mp1_state;
1014 	struct amdgpu_doorbell_index doorbell_index;
1015 
1016 	struct mutex			notifier_lock;
1017 
1018 	int asic_reset_res;
1019 	struct work_struct		xgmi_reset_work;
1020 	struct list_head		reset_list;
1021 
1022 	long				gfx_timeout;
1023 	long				sdma_timeout;
1024 	long				video_timeout;
1025 	long				compute_timeout;
1026 
1027 	uint64_t			unique_id;
1028 	uint64_t	df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1029 
1030 	/* enable runtime pm on the device */
1031 	bool                            in_runpm;
1032 	bool                            has_pr3;
1033 
1034 	bool                            ucode_sysfs_en;
1035 
1036 	/* Chip product information */
1037 	char				product_number[20];
1038 	char				product_name[AMDGPU_PRODUCT_NAME_LEN];
1039 	char				serial[20];
1040 
1041 	atomic_t			throttling_logging_enabled;
1042 	struct ratelimit_state		throttling_logging_rs;
1043 	uint32_t                        ras_hw_enabled;
1044 	uint32_t                        ras_enabled;
1045 
1046 	bool                            no_hw_access;
1047 	struct pci_saved_state          *pci_state;
1048 	pci_channel_state_t		pci_channel_state;
1049 
1050 	/* Track auto wait count on s_barrier settings */
1051 	bool				barrier_has_auto_waitcnt;
1052 
1053 	struct amdgpu_reset_control     *reset_cntl;
1054 	uint32_t                        ip_versions[MAX_HWIP][HWIP_MAX_INSTANCE];
1055 
1056 	bool				ram_is_direct_mapped;
1057 
1058 	struct list_head                ras_list;
1059 
1060 	struct ip_discovery_top         *ip_top;
1061 
1062 	struct amdgpu_reset_domain	*reset_domain;
1063 
1064 	struct mutex			benchmark_mutex;
1065 
1066 	/* reset dump register */
1067 	uint32_t                        *reset_dump_reg_list;
1068 	uint32_t			*reset_dump_reg_value;
1069 	int                             num_regs;
1070 #ifdef CONFIG_DEV_COREDUMP
1071 	struct amdgpu_task_info         reset_task_info;
1072 	bool                            reset_vram_lost;
1073 	struct timespec64               reset_time;
1074 #endif
1075 
1076 	bool                            scpm_enabled;
1077 	uint32_t                        scpm_status;
1078 
1079 	struct work_struct		reset_work;
1080 
1081 	bool                            job_hang;
1082 	bool                            dc_enabled;
1083 	/* Mask of active clusters */
1084 	uint32_t			aid_mask;
1085 };
1086 
drm_to_adev(struct drm_device * ddev)1087 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1088 {
1089 	return container_of(ddev, struct amdgpu_device, ddev);
1090 }
1091 
adev_to_drm(struct amdgpu_device * adev)1092 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1093 {
1094 	return &adev->ddev;
1095 }
1096 
amdgpu_ttm_adev(struct ttm_device * bdev)1097 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1098 {
1099 	return container_of(bdev, struct amdgpu_device, mman.bdev);
1100 }
1101 
1102 int amdgpu_device_init(struct amdgpu_device *adev,
1103 		       uint32_t flags);
1104 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1105 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1106 
1107 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1108 
1109 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1110 			     void *buf, size_t size, bool write);
1111 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1112 				 void *buf, size_t size, bool write);
1113 
1114 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1115 			       void *buf, size_t size, bool write);
1116 uint32_t amdgpu_device_wait_on_rreg(struct amdgpu_device *adev,
1117 			    uint32_t inst, uint32_t reg_addr, char reg_name[],
1118 			    uint32_t expected_value, uint32_t mask);
1119 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1120 			    uint32_t reg, uint32_t acc_flags);
1121 u32 amdgpu_device_indirect_rreg_ext(struct amdgpu_device *adev,
1122 				    u64 reg_addr);
1123 void amdgpu_device_wreg(struct amdgpu_device *adev,
1124 			uint32_t reg, uint32_t v,
1125 			uint32_t acc_flags);
1126 void amdgpu_device_indirect_wreg_ext(struct amdgpu_device *adev,
1127 				     u64 reg_addr, u32 reg_data);
1128 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1129 			     uint32_t reg, uint32_t v, uint32_t xcc_id);
1130 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1131 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1132 
1133 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1134 				u32 reg_addr);
1135 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1136 				  u32 reg_addr);
1137 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1138 				 u32 reg_addr, u32 reg_data);
1139 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1140 				   u32 reg_addr, u64 reg_data);
1141 u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev);
1142 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1143 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1144 
1145 void amdgpu_device_set_sriov_virtual_display(struct amdgpu_device *adev);
1146 
1147 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1148 				 struct amdgpu_reset_context *reset_context);
1149 
1150 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1151 			 struct amdgpu_reset_context *reset_context);
1152 
1153 int emu_soc_asic_init(struct amdgpu_device *adev);
1154 
1155 /*
1156  * Registers read & write functions.
1157  */
1158 #define AMDGPU_REGS_NO_KIQ    (1<<1)
1159 #define AMDGPU_REGS_RLC	(1<<2)
1160 
1161 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1162 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1163 
1164 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1165 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1166 
1167 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1168 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1169 
1170 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1171 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1172 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1173 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1174 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1175 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1176 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1177 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1178 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1179 #define RREG32_PCIE_EXT(reg) adev->pcie_rreg_ext(adev, (reg))
1180 #define WREG32_PCIE_EXT(reg, v) adev->pcie_wreg_ext(adev, (reg), (v))
1181 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1182 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1183 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1184 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1185 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1186 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1187 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1188 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1189 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1190 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1191 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1192 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1193 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1194 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1195 #define WREG32_P(reg, val, mask)				\
1196 	do {							\
1197 		uint32_t tmp_ = RREG32(reg);			\
1198 		tmp_ &= (mask);					\
1199 		tmp_ |= ((val) & ~(mask));			\
1200 		WREG32(reg, tmp_);				\
1201 	} while (0)
1202 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1203 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1204 #define WREG32_PLL_P(reg, val, mask)				\
1205 	do {							\
1206 		uint32_t tmp_ = RREG32_PLL(reg);		\
1207 		tmp_ &= (mask);					\
1208 		tmp_ |= ((val) & ~(mask));			\
1209 		WREG32_PLL(reg, tmp_);				\
1210 	} while (0)
1211 
1212 #define WREG32_SMC_P(_Reg, _Val, _Mask)                         \
1213 	do {                                                    \
1214 		u32 tmp = RREG32_SMC(_Reg);                     \
1215 		tmp &= (_Mask);                                 \
1216 		tmp |= ((_Val) & ~(_Mask));                     \
1217 		WREG32_SMC(_Reg, tmp);                          \
1218 	} while (0)
1219 
1220 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1221 
1222 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1223 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1224 
1225 #define REG_SET_FIELD(orig_val, reg, field, field_val)			\
1226 	(((orig_val) & ~REG_FIELD_MASK(reg, field)) |			\
1227 	 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1228 
1229 #define REG_GET_FIELD(value, reg, field)				\
1230 	(((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1231 
1232 #define WREG32_FIELD(reg, field, val)	\
1233 	WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1234 
1235 #define WREG32_FIELD_OFFSET(reg, offset, field, val)	\
1236 	WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1237 
1238 /*
1239  * BIOS helpers.
1240  */
1241 #define RBIOS8(i) (adev->bios[i])
1242 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1243 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1244 
1245 /*
1246  * ASICs macro.
1247  */
1248 #define amdgpu_asic_set_vga_state(adev, state) \
1249     ((adev)->asic_funcs->set_vga_state ? (adev)->asic_funcs->set_vga_state((adev), (state)) : 0)
1250 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1251 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1252 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1253 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1254 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1255 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1256 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1257 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1258 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1259 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1260 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1261 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1262 #define amdgpu_asic_flush_hdp(adev, r) \
1263 	((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1264 #define amdgpu_asic_invalidate_hdp(adev, r) \
1265 	((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : \
1266 	 ((adev)->hdp.funcs->invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev), (r)) : (void)0))
1267 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1268 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1269 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1270 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1271 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1272 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1273 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1274 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1275 	((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1276 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1277 
1278 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1279 
1280 #define BIT_MASK_UPPER(i) ((i) >= BITS_PER_LONG ? 0 : ~0UL << (i))
1281 #define for_each_inst(i, inst_mask)        \
1282 	for (i = ffs(inst_mask); i-- != 0; \
1283 	     i = ffs(inst_mask & BIT_MASK_UPPER(i + 1)))
1284 
1285 #define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
1286 
1287 /* Common functions */
1288 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1289 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1290 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1291 			      struct amdgpu_job *job,
1292 			      struct amdgpu_reset_context *reset_context);
1293 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1294 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1295 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1296 bool amdgpu_device_pcie_dynamic_switching_supported(void);
1297 bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev);
1298 bool amdgpu_device_aspm_support_quirk(void);
1299 
1300 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1301 				  u64 num_vis_bytes);
1302 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1303 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1304 					     const u32 *registers,
1305 					     const u32 array_size);
1306 
1307 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1308 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1309 bool amdgpu_device_supports_px(struct drm_device *dev);
1310 bool amdgpu_device_supports_boco(struct drm_device *dev);
1311 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1312 bool amdgpu_device_supports_baco(struct drm_device *dev);
1313 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1314 				      struct amdgpu_device *peer_adev);
1315 int amdgpu_device_baco_enter(struct drm_device *dev);
1316 int amdgpu_device_baco_exit(struct drm_device *dev);
1317 
1318 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1319 		struct amdgpu_ring *ring);
1320 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1321 		struct amdgpu_ring *ring);
1322 
1323 void amdgpu_device_halt(struct amdgpu_device *adev);
1324 u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev,
1325 				u32 reg);
1326 void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev,
1327 				u32 reg, u32 v);
1328 struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
1329 					    struct dma_fence *gang);
1330 bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev);
1331 
1332 /* atpx handler */
1333 #if defined(CONFIG_VGA_SWITCHEROO)
1334 void amdgpu_register_atpx_handler(void);
1335 void amdgpu_unregister_atpx_handler(void);
1336 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1337 bool amdgpu_is_atpx_hybrid(void);
1338 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1339 bool amdgpu_has_atpx(void);
1340 #else
amdgpu_register_atpx_handler(void)1341 static inline void amdgpu_register_atpx_handler(void) {}
amdgpu_unregister_atpx_handler(void)1342 static inline void amdgpu_unregister_atpx_handler(void) {}
amdgpu_has_atpx_dgpu_power_cntl(void)1343 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
amdgpu_is_atpx_hybrid(void)1344 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
amdgpu_atpx_dgpu_req_power_for_displays(void)1345 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
amdgpu_has_atpx(void)1346 static inline bool amdgpu_has_atpx(void) { return false; }
1347 #endif
1348 
1349 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1350 void *amdgpu_atpx_get_dhandle(void);
1351 #else
amdgpu_atpx_get_dhandle(void)1352 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1353 #endif
1354 
1355 /*
1356  * KMS
1357  */
1358 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1359 extern const int amdgpu_max_kms_ioctl;
1360 
1361 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1362 void amdgpu_driver_unload_kms(struct drm_device *dev);
1363 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1364 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1365 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1366 				 struct drm_file *file_priv);
1367 void amdgpu_driver_release_kms(struct drm_device *dev);
1368 
1369 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1370 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1371 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1372 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1373 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1374 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1375 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1376 		      struct drm_file *filp);
1377 
1378 /*
1379  * functions used by amdgpu_encoder.c
1380  */
1381 struct amdgpu_afmt_acr {
1382 	u32 clock;
1383 
1384 	int n_32khz;
1385 	int cts_32khz;
1386 
1387 	int n_44_1khz;
1388 	int cts_44_1khz;
1389 
1390 	int n_48khz;
1391 	int cts_48khz;
1392 
1393 };
1394 
1395 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1396 
1397 /* amdgpu_acpi.c */
1398 
1399 struct amdgpu_numa_info {
1400 	uint64_t size;
1401 	int pxm;
1402 	int nid;
1403 };
1404 
1405 /* ATCS Device/Driver State */
1406 #define AMDGPU_ATCS_PSC_DEV_STATE_D0		0
1407 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT	3
1408 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR		0
1409 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR	1
1410 
1411 #if defined(CONFIG_ACPI)
1412 int amdgpu_acpi_init(struct amdgpu_device *adev);
1413 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1414 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1415 bool amdgpu_acpi_is_power_shift_control_supported(void);
1416 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1417 						u8 perf_req, bool advertise);
1418 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1419 				    u8 dev_state, bool drv_state);
1420 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1421 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1422 int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset,
1423 			     u64 *tmr_size);
1424 int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev, int xcc_id,
1425 			     struct amdgpu_numa_info *numa_info);
1426 
1427 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1428 bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev);
1429 void amdgpu_acpi_detect(void);
1430 void amdgpu_acpi_release(void);
1431 #else
amdgpu_acpi_init(struct amdgpu_device * adev)1432 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
amdgpu_acpi_get_tmr_info(struct amdgpu_device * adev,u64 * tmr_offset,u64 * tmr_size)1433 static inline int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev,
1434 					   u64 *tmr_offset, u64 *tmr_size)
1435 {
1436 	return -EINVAL;
1437 }
amdgpu_acpi_get_mem_info(struct amdgpu_device * adev,int xcc_id,struct amdgpu_numa_info * numa_info)1438 static inline int amdgpu_acpi_get_mem_info(struct amdgpu_device *adev,
1439 					   int xcc_id,
1440 					   struct amdgpu_numa_info *numa_info)
1441 {
1442 	return -EINVAL;
1443 }
amdgpu_acpi_fini(struct amdgpu_device * adev)1444 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
amdgpu_acpi_should_gpu_reset(struct amdgpu_device * adev)1445 static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; }
amdgpu_acpi_detect(void)1446 static inline void amdgpu_acpi_detect(void) { }
amdgpu_acpi_release(void)1447 static inline void amdgpu_acpi_release(void) { }
amdgpu_acpi_is_power_shift_control_supported(void)1448 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
amdgpu_acpi_power_shift_control(struct amdgpu_device * adev,u8 dev_state,bool drv_state)1449 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1450 						  u8 dev_state, bool drv_state) { return 0; }
amdgpu_acpi_smart_shift_update(struct drm_device * dev,enum amdgpu_ss ss_state)1451 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1452 						 enum amdgpu_ss ss_state) { return 0; }
1453 #endif
1454 
1455 #if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND)
1456 bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev);
1457 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1458 #else
amdgpu_acpi_is_s0ix_active(struct amdgpu_device * adev)1459 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
amdgpu_acpi_is_s3_active(struct amdgpu_device * adev)1460 static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; }
1461 #endif
1462 
1463 #if defined(CONFIG_DRM_AMD_DC)
1464 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1465 #else
amdgpu_dm_display_resume(struct amdgpu_device * adev)1466 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1467 #endif
1468 
1469 
1470 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1471 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1472 
1473 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1474 					   pci_channel_state_t state);
1475 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1476 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1477 void amdgpu_pci_resume(struct pci_dev *pdev);
1478 
1479 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1480 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1481 
1482 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1483 
1484 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1485 			       enum amd_clockgating_state state);
1486 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1487 			       enum amd_powergating_state state);
1488 
amdgpu_device_has_timeouts_enabled(struct amdgpu_device * adev)1489 static inline bool amdgpu_device_has_timeouts_enabled(struct amdgpu_device *adev)
1490 {
1491 	return amdgpu_gpu_recovery != 0 &&
1492 		adev->gfx_timeout != MAX_SCHEDULE_TIMEOUT &&
1493 		adev->compute_timeout != MAX_SCHEDULE_TIMEOUT &&
1494 		adev->sdma_timeout != MAX_SCHEDULE_TIMEOUT &&
1495 		adev->video_timeout != MAX_SCHEDULE_TIMEOUT;
1496 }
1497 
1498 #include "amdgpu_object.h"
1499 
amdgpu_is_tmz(struct amdgpu_device * adev)1500 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1501 {
1502        return adev->gmc.tmz_enabled;
1503 }
1504 
1505 int amdgpu_in_reset(struct amdgpu_device *adev);
1506 
1507 extern const struct attribute_group amdgpu_vram_mgr_attr_group;
1508 extern const struct attribute_group amdgpu_gtt_mgr_attr_group;
1509 extern const struct attribute_group amdgpu_flash_attr_group;
1510 
1511 #endif
1512