xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h (revision e6b58555558a1ea653e415fc45308964087f9053)
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 "soc15.h"
34 #include "amdgpu_ras.h"
35 
36 /* GFX current status */
37 #define AMDGPU_GFX_NORMAL_MODE			0x00000000L
38 #define AMDGPU_GFX_SAFE_MODE			0x00000001L
39 #define AMDGPU_GFX_PG_DISABLED_MODE		0x00000002L
40 #define AMDGPU_GFX_CG_DISABLED_MODE		0x00000004L
41 #define AMDGPU_GFX_LBPW_DISABLED_MODE		0x00000008L
42 
43 #define AMDGPU_MAX_GFX_QUEUES KGD_MAX_QUEUES
44 #define AMDGPU_MAX_COMPUTE_QUEUES KGD_MAX_QUEUES
45 
46 enum amdgpu_gfx_pipe_priority {
47 	AMDGPU_GFX_PIPE_PRIO_NORMAL = AMDGPU_RING_PRIO_1,
48 	AMDGPU_GFX_PIPE_PRIO_HIGH = AMDGPU_RING_PRIO_2
49 };
50 
51 #define AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM  0
52 #define AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM  15
53 
54 struct amdgpu_mec {
55 	struct amdgpu_bo	*hpd_eop_obj;
56 	u64			hpd_eop_gpu_addr;
57 	struct amdgpu_bo	*mec_fw_obj;
58 	u64			mec_fw_gpu_addr;
59 	u32 num_mec;
60 	u32 num_pipe_per_mec;
61 	u32 num_queue_per_pipe;
62 	void			*mqd_backup[AMDGPU_MAX_COMPUTE_RINGS + 1];
63 
64 	/* These are the resources for which amdgpu takes ownership */
65 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
66 };
67 
68 enum amdgpu_unmap_queues_action {
69 	PREEMPT_QUEUES = 0,
70 	RESET_QUEUES,
71 	DISABLE_PROCESS_QUEUES,
72 	PREEMPT_QUEUES_NO_UNMAP,
73 };
74 
75 struct kiq_pm4_funcs {
76 	/* Support ASIC-specific kiq pm4 packets*/
77 	void (*kiq_set_resources)(struct amdgpu_ring *kiq_ring,
78 					uint64_t queue_mask);
79 	void (*kiq_map_queues)(struct amdgpu_ring *kiq_ring,
80 					struct amdgpu_ring *ring);
81 	void (*kiq_unmap_queues)(struct amdgpu_ring *kiq_ring,
82 				 struct amdgpu_ring *ring,
83 				 enum amdgpu_unmap_queues_action action,
84 				 u64 gpu_addr, u64 seq);
85 	void (*kiq_query_status)(struct amdgpu_ring *kiq_ring,
86 					struct amdgpu_ring *ring,
87 					u64 addr,
88 					u64 seq);
89 	void (*kiq_invalidate_tlbs)(struct amdgpu_ring *kiq_ring,
90 				uint16_t pasid, uint32_t flush_type,
91 				bool all_hub);
92 	/* Packet sizes */
93 	int set_resources_size;
94 	int map_queues_size;
95 	int unmap_queues_size;
96 	int query_status_size;
97 	int invalidate_tlbs_size;
98 };
99 
100 struct amdgpu_kiq {
101 	u64			eop_gpu_addr;
102 	struct amdgpu_bo	*eop_obj;
103 	spinlock_t              ring_lock;
104 	struct amdgpu_ring	ring;
105 	struct amdgpu_irq_src	irq;
106 	const struct kiq_pm4_funcs *pmf;
107 };
108 
109 /*
110  * GPU scratch registers structures, functions & helpers
111  */
112 struct amdgpu_scratch {
113 	unsigned		num_reg;
114 	uint32_t                reg_base;
115 	uint32_t		free_mask;
116 };
117 
118 /*
119  * GFX configurations
120  */
121 #define AMDGPU_GFX_MAX_SE 4
122 #define AMDGPU_GFX_MAX_SH_PER_SE 2
123 
124 struct amdgpu_rb_config {
125 	uint32_t rb_backend_disable;
126 	uint32_t user_rb_backend_disable;
127 	uint32_t raster_config;
128 	uint32_t raster_config_1;
129 };
130 
131 struct gb_addr_config {
132 	uint16_t pipe_interleave_size;
133 	uint8_t num_pipes;
134 	uint8_t max_compress_frags;
135 	uint8_t num_banks;
136 	uint8_t num_se;
137 	uint8_t num_rb_per_se;
138 	uint8_t num_pkrs;
139 };
140 
141 struct amdgpu_gfx_config {
142 	unsigned max_shader_engines;
143 	unsigned max_tile_pipes;
144 	unsigned max_cu_per_sh;
145 	unsigned max_sh_per_se;
146 	unsigned max_backends_per_se;
147 	unsigned max_texture_channel_caches;
148 	unsigned max_gprs;
149 	unsigned max_gs_threads;
150 	unsigned max_hw_contexts;
151 	unsigned sc_prim_fifo_size_frontend;
152 	unsigned sc_prim_fifo_size_backend;
153 	unsigned sc_hiz_tile_fifo_size;
154 	unsigned sc_earlyz_tile_fifo_size;
155 
156 	unsigned num_tile_pipes;
157 	unsigned backend_enable_mask;
158 	unsigned mem_max_burst_length_bytes;
159 	unsigned mem_row_size_in_kb;
160 	unsigned shader_engine_tile_size;
161 	unsigned num_gpus;
162 	unsigned multi_gpu_tile_size;
163 	unsigned mc_arb_ramcfg;
164 	unsigned num_banks;
165 	unsigned num_ranks;
166 	unsigned gb_addr_config;
167 	unsigned num_rbs;
168 	unsigned gs_vgt_table_depth;
169 	unsigned gs_prim_buffer_depth;
170 
171 	uint32_t tile_mode_array[32];
172 	uint32_t macrotile_mode_array[16];
173 
174 	struct gb_addr_config gb_addr_config_fields;
175 	struct amdgpu_rb_config rb_config[AMDGPU_GFX_MAX_SE][AMDGPU_GFX_MAX_SH_PER_SE];
176 
177 	/* gfx configure feature */
178 	uint32_t double_offchip_lds_buf;
179 	/* cached value of DB_DEBUG2 */
180 	uint32_t db_debug2;
181 	/* gfx10 specific config */
182 	uint32_t num_sc_per_sh;
183 	uint32_t num_packer_per_sc;
184 	uint32_t pa_sc_tile_steering_override;
185 	uint64_t tcc_disabled_mask;
186 	uint32_t gc_num_tcp_per_sa;
187 	uint32_t gc_num_sdp_interface;
188 	uint32_t gc_num_tcps;
189 	uint32_t gc_num_tcp_per_wpg;
190 	uint32_t gc_tcp_l1_size;
191 	uint32_t gc_num_sqc_per_wgp;
192 	uint32_t gc_l1_instruction_cache_size_per_sqc;
193 	uint32_t gc_l1_data_cache_size_per_sqc;
194 	uint32_t gc_gl1c_per_sa;
195 	uint32_t gc_gl1c_size_per_instance;
196 	uint32_t gc_gl2c_per_gpu;
197 };
198 
199 struct amdgpu_cu_info {
200 	uint32_t simd_per_cu;
201 	uint32_t max_waves_per_simd;
202 	uint32_t wave_front_size;
203 	uint32_t max_scratch_slots_per_cu;
204 	uint32_t lds_size;
205 
206 	/* total active CU number */
207 	uint32_t number;
208 	uint32_t ao_cu_mask;
209 	uint32_t ao_cu_bitmap[4][4];
210 	uint32_t bitmap[4][4];
211 };
212 
213 struct amdgpu_gfx_ras {
214 	struct amdgpu_ras_block_object  ras_block;
215 	void (*enable_watchdog_timer)(struct amdgpu_device *adev);
216 	bool (*query_utcl2_poison_status)(struct amdgpu_device *adev);
217 };
218 
219 struct amdgpu_gfx_funcs {
220 	/* get the gpu clock counter */
221 	uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
222 	void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num,
223 			     u32 sh_num, u32 instance);
224 	void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd,
225 			       uint32_t wave, uint32_t *dst, int *no_fields);
226 	void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd,
227 				uint32_t wave, uint32_t thread, uint32_t start,
228 				uint32_t size, uint32_t *dst);
229 	void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd,
230 				uint32_t wave, uint32_t start, uint32_t size,
231 				uint32_t *dst);
232 	void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe,
233 				 u32 queue, u32 vmid);
234 	void (*init_spm_golden)(struct amdgpu_device *adev);
235 	void (*update_perfmon_mgcg)(struct amdgpu_device *adev, bool enable);
236 };
237 
238 struct sq_work {
239 	struct work_struct	work;
240 	unsigned ih_data;
241 };
242 
243 struct amdgpu_pfp {
244 	struct amdgpu_bo		*pfp_fw_obj;
245 	uint64_t			pfp_fw_gpu_addr;
246 	uint32_t			*pfp_fw_ptr;
247 };
248 
249 struct amdgpu_ce {
250 	struct amdgpu_bo		*ce_fw_obj;
251 	uint64_t			ce_fw_gpu_addr;
252 	uint32_t			*ce_fw_ptr;
253 };
254 
255 struct amdgpu_me {
256 	struct amdgpu_bo		*me_fw_obj;
257 	uint64_t			me_fw_gpu_addr;
258 	uint32_t			*me_fw_ptr;
259 	uint32_t			num_me;
260 	uint32_t			num_pipe_per_me;
261 	uint32_t			num_queue_per_pipe;
262 	void				*mqd_backup[AMDGPU_MAX_GFX_RINGS];
263 
264 	/* These are the resources for which amdgpu takes ownership */
265 	DECLARE_BITMAP(queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
266 };
267 
268 struct amdgpu_gfx {
269 	struct mutex			gpu_clock_mutex;
270 	struct amdgpu_gfx_config	config;
271 	struct amdgpu_rlc		rlc;
272 	struct amdgpu_pfp		pfp;
273 	struct amdgpu_ce		ce;
274 	struct amdgpu_me		me;
275 	struct amdgpu_mec		mec;
276 	struct amdgpu_kiq		kiq;
277 	struct amdgpu_scratch		scratch;
278 	const struct firmware		*me_fw;	/* ME firmware */
279 	uint32_t			me_fw_version;
280 	const struct firmware		*pfp_fw; /* PFP firmware */
281 	uint32_t			pfp_fw_version;
282 	const struct firmware		*ce_fw;	/* CE firmware */
283 	uint32_t			ce_fw_version;
284 	const struct firmware		*rlc_fw; /* RLC firmware */
285 	uint32_t			rlc_fw_version;
286 	const struct firmware		*mec_fw; /* MEC firmware */
287 	uint32_t			mec_fw_version;
288 	const struct firmware		*mec2_fw; /* MEC2 firmware */
289 	uint32_t			mec2_fw_version;
290 	uint32_t			me_feature_version;
291 	uint32_t			ce_feature_version;
292 	uint32_t			pfp_feature_version;
293 	uint32_t			rlc_feature_version;
294 	uint32_t			rlc_srlc_fw_version;
295 	uint32_t			rlc_srlc_feature_version;
296 	uint32_t			rlc_srlg_fw_version;
297 	uint32_t			rlc_srlg_feature_version;
298 	uint32_t			rlc_srls_fw_version;
299 	uint32_t			rlc_srls_feature_version;
300 	uint32_t			mec_feature_version;
301 	uint32_t			mec2_feature_version;
302 	bool				mec_fw_write_wait;
303 	bool				me_fw_write_wait;
304 	bool				cp_fw_write_wait;
305 	struct amdgpu_ring		gfx_ring[AMDGPU_MAX_GFX_RINGS];
306 	unsigned			num_gfx_rings;
307 	struct amdgpu_ring		compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
308 	unsigned			num_compute_rings;
309 	struct amdgpu_irq_src		eop_irq;
310 	struct amdgpu_irq_src		priv_reg_irq;
311 	struct amdgpu_irq_src		priv_inst_irq;
312 	struct amdgpu_irq_src		cp_ecc_error_irq;
313 	struct amdgpu_irq_src		sq_irq;
314 	struct sq_work			sq_work;
315 
316 	/* gfx status */
317 	uint32_t			gfx_current_status;
318 	/* ce ram size*/
319 	unsigned			ce_ram_size;
320 	struct amdgpu_cu_info		cu_info;
321 	const struct amdgpu_gfx_funcs	*funcs;
322 
323 	/* reset mask */
324 	uint32_t                        grbm_soft_reset;
325 	uint32_t                        srbm_soft_reset;
326 
327 	/* gfx off */
328 	bool                            gfx_off_state; /* true: enabled, false: disabled */
329 	struct mutex                    gfx_off_mutex;
330 	uint32_t                        gfx_off_req_count; /* default 1, enable gfx off: dec 1, disable gfx off: add 1 */
331 	struct delayed_work             gfx_off_delay_work;
332 
333 	/* pipe reservation */
334 	struct mutex			pipe_reserve_mutex;
335 	DECLARE_BITMAP			(pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES);
336 
337 	/*ras */
338 	struct ras_common_if		*ras_if;
339 	struct amdgpu_gfx_ras		*ras;
340 
341 	bool				is_poweron;
342 };
343 
344 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
345 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
346 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
347 #define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
348 
349 /**
350  * amdgpu_gfx_create_bitmask - create a bitmask
351  *
352  * @bit_width: length of the mask
353  *
354  * create a variable length bit mask.
355  * Returns the bitmask.
356  */
357 static inline u32 amdgpu_gfx_create_bitmask(u32 bit_width)
358 {
359 	return (u32)((1ULL << bit_width) - 1);
360 }
361 
362 int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg);
363 void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg);
364 
365 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se,
366 				 unsigned max_sh);
367 
368 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
369 			     struct amdgpu_ring *ring,
370 			     struct amdgpu_irq_src *irq);
371 
372 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring);
373 
374 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev);
375 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
376 			unsigned hpd_size);
377 
378 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
379 			   unsigned mqd_size);
380 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev);
381 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev);
382 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev);
383 
384 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev);
385 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
386 
387 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
388 				int pipe, int queue);
389 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
390 				 int *mec, int *pipe, int *queue);
391 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
392 				     int pipe, int queue);
393 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
394 					       struct amdgpu_ring *ring);
395 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev, int me,
396 			       int pipe, int queue);
397 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
398 				int *me, int *pipe, int *queue);
399 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev, int me,
400 				    int pipe, int queue);
401 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable);
402 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value);
403 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
404 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
405 		void *err_data,
406 		struct amdgpu_iv_entry *entry);
407 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
408 				  struct amdgpu_irq_src *source,
409 				  struct amdgpu_iv_entry *entry);
410 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
411 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
412 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev);
413 #endif
414