xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h (revision c8cefb99fc811304fff9590677994531ff0ac992)
1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #ifndef __AMDGPU_GFX_H__
25 #define __AMDGPU_GFX_H__
26 
27 /*
28  * GFX stuff
29  */
30 #include "clearstate_defs.h"
31 #include "amdgpu_ring.h"
32 #include "amdgpu_rlc.h"
33 #include "amdgpu_imu.h"
34 #include "soc15.h"
35 #include "amdgpu_ras.h"
36 #include "amdgpu_ring_mux.h"
37 
38 /* GFX current status */
39 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
40 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
41 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
42 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
43 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
44 
45 #define AMDGPU_MAX_GC_INSTANCES		8
46 
47 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
48 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
49 
50 enum amdgpu_gfx_pipe_priority {
51 	AMDGPU_GFX_PIPE_PRIO_NORMAL = AMDGPU_RING_PRIO_1,
52 	AMDGPU_GFX_PIPE_PRIO_HIGH = AMDGPU_RING_PRIO_2
53 };
54 
55 #define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM  0
56 #define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM  15
57 
58 enum amdgpu_gfx_partition {
59 	AMDGPU_SPX_PARTITION_MODE = 0,
60 	AMDGPU_DPX_PARTITION_MODE = 1,
61 	AMDGPU_TPX_PARTITION_MODE = 2,
62 	AMDGPU_QPX_PARTITION_MODE = 3,
63 	AMDGPU_CPX_PARTITION_MODE = 4,
64 	AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE,
65 };
66 
67 struct amdgpu_mec {
68 	struct amdgpu_bo	*hpd_eop_obj;
69 	u64			hpd_eop_gpu_addr;
70 	struct amdgpu_bo	*mec_fw_obj;
71 	u64			mec_fw_gpu_addr;
72 	struct amdgpu_bo	*mec_fw_data_obj;
73 	u64			mec_fw_data_gpu_addr;
74 
75 	u32 num_mec;
76 	u32 num_pipe_per_mec;
77 	u32 num_queue_per_pipe;
78 	void			*mqd_backup[AMDGPU_MAX_COMPUTE_RINGS * AMDGPU_MAX_GC_INSTANCES];
79 };
80 
81 struct amdgpu_mec_bitmap {
82 	/* These are the resources for which amdgpu takes ownership */
83 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
84 };
85 
86 enum amdgpu_unmap_queues_action {
87 	PREEMPT_QUEUES = 0,
88 	RESET_QUEUES,
89 	DISABLE_PROCESS_QUEUES,
90 	PREEMPT_QUEUES_NO_UNMAP,
91 };
92 
93 struct kiq_pm4_funcs {
94 	/* Support ASIC-specific kiq pm4 packets*/
95 	void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
96 					uint64_t queue_mask);
97 	void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
98 					struct amdgpu_ring *ring);
99 	void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
100 				 struct amdgpu_ring *ring,
101 				 enum amdgpu_unmap_queues_action action,
102 				 u64 gpu_addr, u64 seq);
103 	void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
104 					struct amdgpu_ring *ring,
105 					u64 addr,
106 					u64 seq);
107 	void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring,
108 				uint16_t pasid, uint32_t flush_type,
109 				bool all_hub);
110 	/* Packet sizes */
111 	int set_resources_size;
112 	int map_queues_size;
113 	int unmap_queues_size;
114 	int query_status_size;
115 	int invalidate_tlbs_size;
116 };
117 
118 struct amdgpu_kiq {
119 	u64			eop_gpu_addr;
120 	struct amdgpu_bo	*eop_obj;
121 	spinlock_t              ring_lock;
122 	struct amdgpu_ring	ring;
123 	struct amdgpu_irq_src	irq;
124 	const struct kiq_pm4_funcs *pmf;
125 	void			*mqd_backup;
126 };
127 
128 /*
129  * GFX configurations
130  */
131 #define AMDGPU_GFX_MAX_SE 4
132 #define AMDGPU_GFX_MAX_SH_PER_SE 2
133 
134 struct amdgpu_rb_config {
135 	uint32_t rb_backend_disable;
136 	uint32_t user_rb_backend_disable;
137 	uint32_t raster_config;
138 	uint32_t raster_config_1;
139 };
140 
141 struct gb_addr_config {
142 	uint16_t pipe_interleave_size;
143 	uint8_t num_pipes;
144 	uint8_t max_compress_frags;
145 	uint8_t num_banks;
146 	uint8_t num_se;
147 	uint8_t num_rb_per_se;
148 	uint8_t num_pkrs;
149 };
150 
151 struct amdgpu_gfx_config {
152 	unsigned max_shader_engines;
153 	unsigned max_tile_pipes;
154 	unsigned max_cu_per_sh;
155 	unsigned max_sh_per_se;
156 	unsigned max_backends_per_se;
157 	unsigned max_texture_channel_caches;
158 	unsigned max_gprs;
159 	unsigned max_gs_threads;
160 	unsigned max_hw_contexts;
161 	unsigned sc_prim_fifo_size_frontend;
162 	unsigned sc_prim_fifo_size_backend;
163 	unsigned sc_hiz_tile_fifo_size;
164 	unsigned sc_earlyz_tile_fifo_size;
165 
166 	unsigned num_tile_pipes;
167 	unsigned backend_enable_mask;
168 	unsigned mem_max_burst_length_bytes;
169 	unsigned mem_row_size_in_kb;
170 	unsigned shader_engine_tile_size;
171 	unsigned num_gpus;
172 	unsigned multi_gpu_tile_size;
173 	unsigned mc_arb_ramcfg;
174 	unsigned num_banks;
175 	unsigned num_ranks;
176 	unsigned gb_addr_config;
177 	unsigned num_rbs;
178 	unsigned gs_vgt_table_depth;
179 	unsigned gs_prim_buffer_depth;
180 
181 	uint32_t tile_mode_array[32];
182 	uint32_t macrotile_mode_array[16];
183 
184 	struct gb_addr_config gb_addr_config_fields;
185 	struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
186 
187 	/* gfx configure feature */
188 	uint32_t double_offchip_lds_buf;
189 	/* cached value of DB_DEBUG2 */
190 	uint32_t db_debug2;
191 	/* gfx10 specific config */
192 	uint32_t num_sc_per_sh;
193 	uint32_t num_packer_per_sc;
194 	uint32_t pa_sc_tile_steering_override;
195 	/* Whether texture coordinate truncation is conformant. */
196 	bool ta_cntl2_truncate_coord_mode;
197 	uint64_t tcc_disabled_mask;
198 	uint32_t gc_num_tcp_per_sa;
199 	uint32_t gc_num_sdp_interface;
200 	uint32_t gc_num_tcps;
201 	uint32_t gc_num_tcp_per_wpg;
202 	uint32_t gc_tcp_l1_size;
203 	uint32_t gc_num_sqc_per_wgp;
204 	uint32_t gc_l1_instruction_cache_size_per_sqc;
205 	uint32_t gc_l1_data_cache_size_per_sqc;
206 	uint32_t gc_gl1c_per_sa;
207 	uint32_t gc_gl1c_size_per_instance;
208 	uint32_t gc_gl2c_per_gpu;
209 };
210 
211 struct amdgpu_cu_info {
212 	uint32_t simd_per_cu;
213 	uint32_t max_waves_per_simd;
214 	uint32_t wave_front_size;
215 	uint32_t max_scratch_slots_per_cu;
216 	uint32_t lds_size;
217 
218 	/* total active CU number */
219 	uint32_t number;
220 	uint32_t ao_cu_mask;
221 	uint32_t ao_cu_bitmap[4][4];
222 	uint32_t bitmap[4][4];
223 };
224 
225 struct amdgpu_gfx_ras {
226 	struct amdgpu_ras_block_object  ras_block;
227 	void (*enable_watchdog_timer)(struct amdgpu_device *adev);
228 	bool (*query_utcl2_poison_status)(struct amdgpu_device *adev);
229 	int (*rlc_gc_fed_irq)(struct amdgpu_device *adev,
230 				struct amdgpu_irq_src *source,
231 				struct amdgpu_iv_entry *entry);
232 	int (*poison_consumption_handler)(struct amdgpu_device *adev,
233 						struct amdgpu_iv_entry *entry);
234 };
235 
236 struct amdgpu_gfx_shadow_info {
237 	u32 shadow_size;
238 	u32 shadow_alignment;
239 	u32 csa_size;
240 	u32 csa_alignment;
241 };
242 
243 struct amdgpu_gfx_funcs {
244 	/* get the gpu clock counter */
245 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
246 	void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
247 			     u32 sh_num, u32 instance, int xcc_id);
248 	void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
249 			       uint32_t wave, uint32_t *dst, int *no_fields);
250 	void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
251 				uint32_t wave, uint32_t thread, uint32_t start,
252 				uint32_t size, uint32_t *dst);
253 	void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
254 				uint32_t wave, uint32_t start, uint32_t size,
255 				uint32_t *dst);
256 	void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
257 				 u32 queue, u32 vmid);
258 	void (*init_spm_golden)(struct amdgpu_device *adev);
259 	void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
260 	int (*get_gfx_shadow_info)(struct amdgpu_device *adev,
261 				   struct amdgpu_gfx_shadow_info *shadow_info);
262 };
263 
264 struct sq_work {
265 	struct work_struct	work;
266 	unsigned ih_data;
267 };
268 
269 struct amdgpu_pfp {
270 	struct amdgpu_bo		*pfp_fw_obj;
271 	uint64_t			pfp_fw_gpu_addr;
272 	uint32_t			*pfp_fw_ptr;
273 
274 	struct amdgpu_bo		*pfp_fw_data_obj;
275 	uint64_t			pfp_fw_data_gpu_addr;
276 	uint32_t			*pfp_fw_data_ptr;
277 };
278 
279 struct amdgpu_ce {
280 	struct amdgpu_bo		*ce_fw_obj;
281 	uint64_t			ce_fw_gpu_addr;
282 	uint32_t			*ce_fw_ptr;
283 };
284 
285 struct amdgpu_me {
286 	struct amdgpu_bo		*me_fw_obj;
287 	uint64_t			me_fw_gpu_addr;
288 	uint32_t			*me_fw_ptr;
289 
290 	struct amdgpu_bo		*me_fw_data_obj;
291 	uint64_t			me_fw_data_gpu_addr;
292 	uint32_t			*me_fw_data_ptr;
293 
294 	uint32_t			num_me;
295 	uint32_t			num_pipe_per_me;
296 	uint32_t			num_queue_per_pipe;
297 	void				*mqd_backup[AMDGPU_MAX_GFX_RINGS];
298 
299 	/* These are the resources for which amdgpu takes ownership */
300 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
301 };
302 
303 struct amdgpu_gfx {
304 	struct mutex			gpu_clock_mutex;
305 	struct amdgpu_gfx_config	config;
306 	struct amdgpu_rlc		rlc;
307 	struct amdgpu_pfp		pfp;
308 	struct amdgpu_ce		ce;
309 	struct amdgpu_me		me;
310 	struct amdgpu_mec		mec;
311 	struct amdgpu_mec_bitmap	mec_bitmap[AMDGPU_MAX_GC_INSTANCES];
312 	struct amdgpu_kiq		kiq[AMDGPU_MAX_GC_INSTANCES];
313 	struct amdgpu_imu		imu;
314 	bool				rs64_enable; /* firmware format */
315 	const struct firmware		*me_fw;	/* ME firmware */
316 	uint32_t			me_fw_version;
317 	const struct firmware		*pfp_fw; /* PFP firmware */
318 	uint32_t			pfp_fw_version;
319 	const struct firmware		*ce_fw;	/* CE firmware */
320 	uint32_t			ce_fw_version;
321 	const struct firmware		*rlc_fw; /* RLC firmware */
322 	uint32_t			rlc_fw_version;
323 	const struct firmware		*mec_fw; /* MEC firmware */
324 	uint32_t			mec_fw_version;
325 	const struct firmware		*mec2_fw; /* MEC2 firmware */
326 	uint32_t			mec2_fw_version;
327 	const struct firmware		*imu_fw; /* IMU firmware */
328 	uint32_t			imu_fw_version;
329 	uint32_t			me_feature_version;
330 	uint32_t			ce_feature_version;
331 	uint32_t			pfp_feature_version;
332 	uint32_t			rlc_feature_version;
333 	uint32_t			rlc_srlc_fw_version;
334 	uint32_t			rlc_srlc_feature_version;
335 	uint32_t			rlc_srlg_fw_version;
336 	uint32_t			rlc_srlg_feature_version;
337 	uint32_t			rlc_srls_fw_version;
338 	uint32_t			rlc_srls_feature_version;
339 	uint32_t			rlcp_ucode_version;
340 	uint32_t			rlcp_ucode_feature_version;
341 	uint32_t			rlcv_ucode_version;
342 	uint32_t			rlcv_ucode_feature_version;
343 	uint32_t			mec_feature_version;
344 	uint32_t			mec2_feature_version;
345 	bool				mec_fw_write_wait;
346 	bool				me_fw_write_wait;
347 	bool				cp_fw_write_wait;
348 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
349 	unsigned			num_gfx_rings;
350 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS * AMDGPU_MAX_GC_INSTANCES];
351 	unsigned			num_compute_rings;
352 	struct amdgpu_irq_src		eop_irq;
353 	struct amdgpu_irq_src		priv_reg_irq;
354 	struct amdgpu_irq_src		priv_inst_irq;
355 	struct amdgpu_irq_src		cp_ecc_error_irq;
356 	struct amdgpu_irq_src		sq_irq;
357 	struct amdgpu_irq_src		rlc_gc_fed_irq;
358 	struct sq_work			sq_work;
359 
360 	/* gfx status */
361 	uint32_t			gfx_current_status;
362 	/* ce ram size*/
363 	unsigned			ce_ram_size;
364 	struct amdgpu_cu_info		cu_info;
365 	const struct amdgpu_gfx_funcs	*funcs;
366 
367 	/* reset mask */
368 	uint32_t                        grbm_soft_reset;
369 	uint32_t                        srbm_soft_reset;
370 
371 	/* gfx off */
372 	bool                            gfx_off_state;      /* true: enabled, false: disabled */
373 	struct mutex                    gfx_off_mutex;      /* mutex to change gfxoff state */
374 	uint32_t                        gfx_off_req_count;  /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
375 	struct delayed_work             gfx_off_delay_work; /* async work to set gfx block off */
376 	uint32_t                        gfx_off_residency;  /* last logged residency */
377 	uint64_t                        gfx_off_entrycount; /* count of times GPU has get into GFXOFF state */
378 
379 	/* pipe reservation */
380 	struct mutex			pipe_reserve_mutex;
381 	DECLARE_BITMAP			(pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
382 
383 	/*ras */
384 	struct ras_common_if		*ras_if;
385 	struct amdgpu_gfx_ras		*ras;
386 
387 	bool				is_poweron;
388 
389 	struct amdgpu_ring		sw_gfx_ring[AMDGPU_MAX_SW_GFX_RINGS];
390 	struct amdgpu_ring_mux          muxer;
391 
392 	bool				cp_gfx_shadow; /* for gfx11 */
393 
394 	enum amdgpu_gfx_partition	partition_mode;
395 	uint32_t			num_xcd;
396 	uint32_t			num_xcc_per_xcp;
397 };
398 
399 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
400 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance, xcc_id) ((adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance), (xcc_id)))
401 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
402 #define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
403 #define amdgpu_gfx_get_gfx_shadow_info(adev, si) ((adev)->gfx.funcs->get_gfx_shadow_info((adev), (si)))
404 
405 /**
406  * amdgpu_gfx_create_bitmask - create a bitmask
407  *
408  * @bit_width: length of the mask
409  *
410  * create a variable length bit mask.
411  * Returns the bitmask.
412  */
413 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
414 {
415 	return (u32)((1ULL << bit_width) - 1);
416 }
417 
418 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
419 				 unsigned max_sh);
420 
421 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
422 			     struct amdgpu_ring *ring,
423 			     struct amdgpu_irq_src *irq, int xcc_id);
424 
425 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring);
426 
427 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev, int xcc_id);
428 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
429 			unsigned hpd_size, int xcc_id);
430 
431 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
432 			   unsigned mqd_size, int xcc_id);
433 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev, int xcc_id);
434 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev, int xcc_id);
435 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev, int xcc_id);
436 
437 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
438 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
439 
440 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
441 				int pipe, int queue);
442 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
443 				 int *mec, int *pipe, int *queue);
444 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int xcc_id,
445 				     int mec, int pipe, int queue);
446 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
447 					       struct amdgpu_ring *ring);
448 bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev,
449 						struct amdgpu_ring *ring);
450 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
451 			       int pipe, int queue);
452 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
453 				int *me, int *pipe, int *queue);
454 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
455 				    int pipe, int queue);
456 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
457 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value);
458 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
459 void amdgpu_gfx_ras_fini(struct amdgpu_device *adev);
460 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value);
461 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *residency);
462 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value);
463 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
464 		void *err_data,
465 		struct amdgpu_iv_entry *entry);
466 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
467 				  struct amdgpu_irq_src *source,
468 				  struct amdgpu_iv_entry *entry);
469 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
470 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
471 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
472 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev, uint32_t ucode_id);
473 
474 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev);
475 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
476 						struct amdgpu_iv_entry *entry);
477 
478 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id);
479 #endif
480