[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / etnaviv / etnaviv_perfmon.c

/*
 * Copyright (C) 2017 Etnaviv Project
 * Copyright (C) 2017 Zodiac Inflight Innovations
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "etnaviv_gpu.h"
#include "etnaviv_perfmon.h"
#include "state_hi.xml.h"

struct etnaviv_pm_domain;

struct etnaviv_pm_signal {
	char name[64];
	u32 data;

	u32 (*sample)(struct etnaviv_gpu *gpu,
	              const struct etnaviv_pm_domain *domain,
	              const struct etnaviv_pm_signal *signal);
};

struct etnaviv_pm_domain {
	char name[64];

	/* profile register */
	u32 profile_read;
	u32 profile_config;

	u8 nr_signals;
	const struct etnaviv_pm_signal *signal;
};

struct etnaviv_pm_domain_meta {
	const struct etnaviv_pm_domain *domains;
	u32 nr_domains;
};

static u32 simple_reg_read(struct etnaviv_gpu *gpu,
	const struct etnaviv_pm_domain *domain,
	const struct etnaviv_pm_signal *signal)
{
	return gpu_read(gpu, signal->data);
}

static u32 perf_reg_read(struct etnaviv_gpu *gpu,
	const struct etnaviv_pm_domain *domain,
	const struct etnaviv_pm_signal *signal)
{
	gpu_write(gpu, domain->profile_config, signal->data);

	return gpu_read(gpu, domain->profile_read);
}

static u32 pipe_reg_read(struct etnaviv_gpu *gpu,
	const struct etnaviv_pm_domain *domain,
	const struct etnaviv_pm_signal *signal)
{
	u32 clock = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL);
	u32 value = 0;
	unsigned i;

	for (i = 0; i < gpu->identity.pixel_pipes; i++) {
		clock &= ~(VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE__MASK);
		clock |= VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE(i);
		gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, clock);
		gpu_write(gpu, domain->profile_config, signal->data);
		value += gpu_read(gpu, domain->profile_read);
	}

	/* switch back to pixel pipe 0 to prevent GPU hang */
	clock &= ~(VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE__MASK);
	clock |= VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE(0);
	gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, clock);

	return value;
}

static const struct etnaviv_pm_domain doms_3d[] = {
	{
		.name = "HI",
		.profile_read = VIVS_MC_PROFILE_HI_READ,
		.profile_config = VIVS_MC_PROFILE_CONFIG2,
		.nr_signals = 5,
		.signal = (const struct etnaviv_pm_signal[]) {
			{
				"TOTAL_CYCLES",
				VIVS_HI_PROFILE_TOTAL_CYCLES,
				&simple_reg_read
			},
			{
				"IDLE_CYCLES",
				VIVS_HI_PROFILE_IDLE_CYCLES,
				&simple_reg_read
			},
			{
				"AXI_CYCLES_READ_REQUEST_STALLED",
				VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_READ_REQUEST_STALLED,
				&perf_reg_read
			},
			{
				"AXI_CYCLES_WRITE_REQUEST_STALLED",
				VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_WRITE_REQUEST_STALLED,
				&perf_reg_read
			},
			{
				"AXI_CYCLES_WRITE_DATA_STALLED",
				VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_WRITE_DATA_STALLED,
				&perf_reg_read
			}
		}
	},
	{
		.name = "PE",
		.profile_read = VIVS_MC_PROFILE_PE_READ,
		.profile_config = VIVS_MC_PROFILE_CONFIG0,
		.nr_signals = 5,
		.signal = (const struct etnaviv_pm_signal[]) {
			{
				"PIXEL_COUNT_KILLED_BY_COLOR_PIPE",
				VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_KILLED_BY_COLOR_PIPE,
				&pipe_reg_read
			},
			{
				"PIXEL_COUNT_KILLED_BY_DEPTH_PIPE",
				VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_KILLED_BY_DEPTH_PIPE,
				&pipe_reg_read
			},
			{
				"PIXEL_COUNT_DRAWN_BY_COLOR_PIPE",
				VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_DRAWN_BY_COLOR_PIPE,
				&pipe_reg_read
			},
			{
				"PIXEL_COUNT_DRAWN_BY_DEPTH_PIPE",
				VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_DRAWN_BY_DEPTH_PIPE,
				&pipe_reg_read
			}
		}
	},
	{
		.name = "SH",
		.profile_read = VIVS_MC_PROFILE_SH_READ,
		.profile_config = VIVS_MC_PROFILE_CONFIG0,
		.nr_signals = 9,
		.signal = (const struct etnaviv_pm_signal[]) {
			{
				"SHADER_CYCLES",
				VIVS_MC_PROFILE_CONFIG0_SH_SHADER_CYCLES,
				&perf_reg_read
			},
			{
				"PS_INST_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_PS_INST_COUNTER,
				&perf_reg_read
			},
			{
				"RENDERED_PIXEL_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_RENDERED_PIXEL_COUNTER,
				&perf_reg_read
			},
			{
				"VS_INST_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_VS_INST_COUNTER,
				&pipe_reg_read
			},
			{
				"RENDERED_VERTICE_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_RENDERED_VERTICE_COUNTER,
				&pipe_reg_read
			},
			{
				"VTX_BRANCH_INST_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_VTX_BRANCH_INST_COUNTER,
				&pipe_reg_read
			},
			{
				"VTX_TEXLD_INST_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_VTX_TEXLD_INST_COUNTER,
				&pipe_reg_read
			},
			{
				"PXL_BRANCH_INST_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_PXL_BRANCH_INST_COUNTER,
				&pipe_reg_read
			},
			{
				"PXL_TEXLD_INST_COUNTER",
				VIVS_MC_PROFILE_CONFIG0_SH_PXL_TEXLD_INST_COUNTER,
				&pipe_reg_read
			}
		}
	},
	{
		.name = "PA",
		.profile_read = VIVS_MC_PROFILE_PA_READ,
		.profile_config = VIVS_MC_PROFILE_CONFIG1,
		.nr_signals = 6,
		.signal = (const struct etnaviv_pm_signal[]) {
			{
				"INPUT_VTX_COUNTER",
				VIVS_MC_PROFILE_CONFIG1_PA_INPUT_VTX_COUNTER,
				&perf_reg_read
			},
			{
				"INPUT_PRIM_COUNTER",
				VIVS_MC_PROFILE_CONFIG1_PA_INPUT_PRIM_COUNTER,
				&perf_reg_read
			},
			{
				"OUTPUT_PRIM_COUNTER",
				VIVS_MC_PROFILE_CONFIG1_PA_OUTPUT_PRIM_COUNTER,
				&perf_reg_read
			},
			{
				"DEPTH_CLIPPED_COUNTER",
				VIVS_MC_PROFILE_CONFIG1_PA_DEPTH_CLIPPED_COUNTER,
				&pipe_reg_read
			},
			{
				"TRIVIAL_REJECTED_COUNTER",
				VIVS_MC_PROFILE_CONFIG1_PA_TRIVIAL_REJECTED_COUNTER,
				&pipe_reg_read
			},
			{
				"CULLED_COUNTER",
				VIVS_MC_PROFILE_CONFIG1_PA_CULLED_COUNTER,
				&pipe_reg_read
			}
		}
	}
};

static const struct etnaviv_pm_domain doms_2d[] = {
	{
		.name = "PE",
		.profile_read = VIVS_MC_PROFILE_PE_READ,
		.profile_config = VIVS_MC_PROFILE_CONFIG0,
		.nr_signals = 1,
		.signal = (const struct etnaviv_pm_signal[]) {
			{
				"PIXELS_RENDERED_2D",
				VIVS_MC_PROFILE_CONFIG0_PE_PIXELS_RENDERED_2D,
				&pipe_reg_read
			}
		}
	}
};

static const struct etnaviv_pm_domain doms_vg[] = {
};

static const struct etnaviv_pm_domain_meta doms_meta[] = {
	{
		.nr_domains = ARRAY_SIZE(doms_3d),
		.domains = &doms_3d[0]
	},
	{
		.nr_domains = ARRAY_SIZE(doms_2d),
		.domains = &doms_2d[0]
	},
	{
		.nr_domains = ARRAY_SIZE(doms_vg),
		.domains = &doms_vg[0]
	}
};

int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu,
	struct drm_etnaviv_pm_domain *domain)
{
	const struct etnaviv_pm_domain_meta *meta = &doms_meta[domain->pipe];
	const struct etnaviv_pm_domain *dom;

	if (domain->iter >= meta->nr_domains)
		return -EINVAL;

	dom = meta->domains + domain->iter;

	domain->id = domain->iter;
	domain->nr_signals = dom->nr_signals;
	strncpy(domain->name, dom->name, sizeof(domain->name));

	domain->iter++;
	if (domain->iter == meta->nr_domains)
		domain->iter = 0xff;

	return 0;
}

int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,
	struct drm_etnaviv_pm_signal *signal)
{
	const struct etnaviv_pm_domain_meta *meta = &doms_meta[signal->pipe];
	const struct etnaviv_pm_domain *dom;
	const struct etnaviv_pm_signal *sig;

	if (signal->domain >= meta->nr_domains)
		return -EINVAL;

	dom = meta->domains + signal->domain;

	if (signal->iter > dom->nr_signals)
		return -EINVAL;

	sig = &dom->signal[signal->iter];

	signal->id = signal->iter;
	strncpy(signal->name, sig->name, sizeof(signal->name));

	signal->iter++;
	if (signal->iter == dom->nr_signals)
		signal->iter = 0xffff;

	return 0;
}

int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r,
	u32 exec_state)
{
	const struct etnaviv_pm_domain_meta *meta = &doms_meta[exec_state];
	const struct etnaviv_pm_domain *dom;

	if (r->domain >= meta->nr_domains)
		return -EINVAL;

	dom = meta->domains + r->domain;

	if (r->signal > dom->nr_signals)
		return -EINVAL;

	return 0;
}

void etnaviv_perfmon_process(struct etnaviv_gpu *gpu,
	const struct etnaviv_perfmon_request *pmr)
{
	const struct etnaviv_pm_domain_meta *meta = &doms_meta[gpu->exec_state];
	const struct etnaviv_pm_domain *dom;
	const struct etnaviv_pm_signal *sig;
	u32 *bo = pmr->bo_vma;
	u32 val;

	dom = meta->domains + pmr->domain;
	sig = &dom->signal[pmr->signal];
	val = sig->sample(gpu, dom, sig);

	*(bo + pmr->offset) = val;
}
Commit	Line	Data
9e2c2e27 CG	1	/*
	2	* Copyright (C) 2017 Etnaviv Project
	3	* Copyright (C) 2017 Zodiac Inflight Innovations
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License version 2 as published by
	7	* the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program. If not, see <http://www.gnu.org/licenses/>.
	16	*/
	17
	18	#include "etnaviv_gpu.h"
249300c7	19	#include "etnaviv_perfmon.h"
33deff0a	20	#include "state_hi.xml.h"
9e2c2e27 CG	21
	22	struct etnaviv_pm_domain;
	23
	24	struct etnaviv_pm_signal {
	25	char name[64];
	26	u32 data;
	27
	28	u32 (sample)(struct etnaviv_gpu gpu,
	29	const struct etnaviv_pm_domain *domain,
	30	const struct etnaviv_pm_signal *signal);
	31	};
	32
	33	struct etnaviv_pm_domain {
	34	char name[64];
33deff0a CG	35
	36	/* profile register */
	37	u32 profile_read;
	38	u32 profile_config;
	39
9e2c2e27 CG	40	u8 nr_signals;
	41	const struct etnaviv_pm_signal *signal;
	42	};
	43
	44	struct etnaviv_pm_domain_meta {
	45	const struct etnaviv_pm_domain *domains;
	46	u32 nr_domains;
	47	};
	48
33deff0a CG	49	static u32 simple_reg_read(struct etnaviv_gpu *gpu,
	50	const struct etnaviv_pm_domain *domain,
	51	const struct etnaviv_pm_signal *signal)
	52	{
	53	return gpu_read(gpu, signal->data);
	54	}
	55
	56	static u32 perf_reg_read(struct etnaviv_gpu *gpu,
	57	const struct etnaviv_pm_domain *domain,
	58	const struct etnaviv_pm_signal *signal)
	59	{
	60	gpu_write(gpu, domain->profile_config, signal->data);
	61
	62	return gpu_read(gpu, domain->profile_read);
	63	}
	64
a3d0c390 CG	65	static u32 pipe_reg_read(struct etnaviv_gpu *gpu,
	66	const struct etnaviv_pm_domain *domain,
	67	const struct etnaviv_pm_signal *signal)
	68	{
	69	u32 clock = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL);
	70	u32 value = 0;
	71	unsigned i;
	72
	73	for (i = 0; i < gpu->identity.pixel_pipes; i++) {
	74	clock &= ~(VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE__MASK);
	75	clock \|= VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE(i);
	76	gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, clock);
	77	gpu_write(gpu, domain->profile_config, signal->data);
	78	value += gpu_read(gpu, domain->profile_read);
	79	}
	80
	81	/* switch back to pixel pipe 0 to prevent GPU hang */
	82	clock &= ~(VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE__MASK);
	83	clock \|= VIVS_HI_CLOCK_CONTROL_DEBUG_PIXEL_PIPE(0);
	84	gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, clock);
	85
	86	return value;
	87	}
	88
9e2c2e27	89	static const struct etnaviv_pm_domain doms_3d[] = {
33deff0a CG	90	{
	91	.name = "HI",
	92	.profile_read = VIVS_MC_PROFILE_HI_READ,
	93	.profile_config = VIVS_MC_PROFILE_CONFIG2,
	94	.nr_signals = 5,
	95	.signal = (const struct etnaviv_pm_signal[]) {
	96	{
	97	"TOTAL_CYCLES",
	98	VIVS_HI_PROFILE_TOTAL_CYCLES,
	99	&simple_reg_read
	100	},
	101	{
	102	"IDLE_CYCLES",
	103	VIVS_HI_PROFILE_IDLE_CYCLES,
	104	&simple_reg_read
	105	},
	106	{
	107	"AXI_CYCLES_READ_REQUEST_STALLED",
	108	VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_READ_REQUEST_STALLED,
	109	&perf_reg_read
	110	},
	111	{
	112	"AXI_CYCLES_WRITE_REQUEST_STALLED",
	113	VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_WRITE_REQUEST_STALLED,
	114	&perf_reg_read
	115	},
	116	{
	117	"AXI_CYCLES_WRITE_DATA_STALLED",
	118	VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_WRITE_DATA_STALLED,
	119	&perf_reg_read
	120	}
	121	}
a3d0c390 CG	122	},
	123	{
	124	.name = "PE",
	125	.profile_read = VIVS_MC_PROFILE_PE_READ,
	126	.profile_config = VIVS_MC_PROFILE_CONFIG0,
	127	.nr_signals = 5,
	128	.signal = (const struct etnaviv_pm_signal[]) {
	129	{
	130	"PIXEL_COUNT_KILLED_BY_COLOR_PIPE",
	131	VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_KILLED_BY_COLOR_PIPE,
	132	&pipe_reg_read
	133	},
	134	{
	135	"PIXEL_COUNT_KILLED_BY_DEPTH_PIPE",
	136	VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_KILLED_BY_DEPTH_PIPE,
	137	&pipe_reg_read
	138	},
	139	{
	140	"PIXEL_COUNT_DRAWN_BY_COLOR_PIPE",
	141	VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_DRAWN_BY_COLOR_PIPE,
	142	&pipe_reg_read
	143	},
	144	{
	145	"PIXEL_COUNT_DRAWN_BY_DEPTH_PIPE",
	146	VIVS_MC_PROFILE_CONFIG0_PE_PIXEL_COUNT_DRAWN_BY_DEPTH_PIPE,
	147	&pipe_reg_read
	148	}
	149	}
98b2482e CG	150	},
	151	{
	152	.name = "SH",
	153	.profile_read = VIVS_MC_PROFILE_SH_READ,
	154	.profile_config = VIVS_MC_PROFILE_CONFIG0,
	155	.nr_signals = 9,
	156	.signal = (const struct etnaviv_pm_signal[]) {
	157	{
	158	"SHADER_CYCLES",
	159	VIVS_MC_PROFILE_CONFIG0_SH_SHADER_CYCLES,
	160	&perf_reg_read
	161	},
	162	{
	163	"PS_INST_COUNTER",
	164	VIVS_MC_PROFILE_CONFIG0_SH_PS_INST_COUNTER,
	165	&perf_reg_read
	166	},
	167	{
	168	"RENDERED_PIXEL_COUNTER",
	169	VIVS_MC_PROFILE_CONFIG0_SH_RENDERED_PIXEL_COUNTER,
	170	&perf_reg_read
	171	},
	172	{
	173	"VS_INST_COUNTER",
	174	VIVS_MC_PROFILE_CONFIG0_SH_VS_INST_COUNTER,
	175	&pipe_reg_read
	176	},
	177	{
	178	"RENDERED_VERTICE_COUNTER",
	179	VIVS_MC_PROFILE_CONFIG0_SH_RENDERED_VERTICE_COUNTER,
	180	&pipe_reg_read
	181	},
	182	{
	183	"VTX_BRANCH_INST_COUNTER",
	184	VIVS_MC_PROFILE_CONFIG0_SH_VTX_BRANCH_INST_COUNTER,
	185	&pipe_reg_read
	186	},
	187	{
	188	"VTX_TEXLD_INST_COUNTER",
	189	VIVS_MC_PROFILE_CONFIG0_SH_VTX_TEXLD_INST_COUNTER,
	190	&pipe_reg_read
	191	},
	192	{
	193	"PXL_BRANCH_INST_COUNTER",
	194	VIVS_MC_PROFILE_CONFIG0_SH_PXL_BRANCH_INST_COUNTER,
	195	&pipe_reg_read
	196	},
	197	{
	198	"PXL_TEXLD_INST_COUNTER",
	199	VIVS_MC_PROFILE_CONFIG0_SH_PXL_TEXLD_INST_COUNTER,
	200	&pipe_reg_read
	201	}
	202	}
c3787ff6 CG	203	},
	204	{
	205	.name = "PA",
	206	.profile_read = VIVS_MC_PROFILE_PA_READ,
	207	.profile_config = VIVS_MC_PROFILE_CONFIG1,
	208	.nr_signals = 6,
	209	.signal = (const struct etnaviv_pm_signal[]) {
	210	{
	211	"INPUT_VTX_COUNTER",
	212	VIVS_MC_PROFILE_CONFIG1_PA_INPUT_VTX_COUNTER,
	213	&perf_reg_read
	214	},
	215	{
	216	"INPUT_PRIM_COUNTER",
	217	VIVS_MC_PROFILE_CONFIG1_PA_INPUT_PRIM_COUNTER,
	218	&perf_reg_read
	219	},
	220	{
	221	"OUTPUT_PRIM_COUNTER",
	222	VIVS_MC_PROFILE_CONFIG1_PA_OUTPUT_PRIM_COUNTER,
	223	&perf_reg_read
	224	},
	225	{
	226	"DEPTH_CLIPPED_COUNTER",
	227	VIVS_MC_PROFILE_CONFIG1_PA_DEPTH_CLIPPED_COUNTER,
	228	&pipe_reg_read
	229	},
	230	{
	231	"TRIVIAL_REJECTED_COUNTER",
	232	VIVS_MC_PROFILE_CONFIG1_PA_TRIVIAL_REJECTED_COUNTER,
	233	&pipe_reg_read
	234	},
	235	{
	236	"CULLED_COUNTER",
	237	VIVS_MC_PROFILE_CONFIG1_PA_CULLED_COUNTER,
	238	&pipe_reg_read
	239	}
	240	}
33deff0a	241	}
9e2c2e27 CG	242	};
	243
	244	static const struct etnaviv_pm_domain doms_2d[] = {
a3d0c390 CG	245	{
	246	.name = "PE",
	247	.profile_read = VIVS_MC_PROFILE_PE_READ,
	248	.profile_config = VIVS_MC_PROFILE_CONFIG0,
	249	.nr_signals = 1,
	250	.signal = (const struct etnaviv_pm_signal[]) {
	251	{
	252	"PIXELS_RENDERED_2D",
	253	VIVS_MC_PROFILE_CONFIG0_PE_PIXELS_RENDERED_2D,
	254	&pipe_reg_read
	255	}
	256	}
	257	}
9e2c2e27 CG	258	};
	259
	260	static const struct etnaviv_pm_domain doms_vg[] = {
	261	};
	262
	263	static const struct etnaviv_pm_domain_meta doms_meta[] = {
	264	{
	265	.nr_domains = ARRAY_SIZE(doms_3d),
	266	.domains = &doms_3d[0]
	267	},
	268	{
	269	.nr_domains = ARRAY_SIZE(doms_2d),
	270	.domains = &doms_2d[0]
	271	},
	272	{
	273	.nr_domains = ARRAY_SIZE(doms_vg),
	274	.domains = &doms_vg[0]
	275	}
	276	};
	277
	278	int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu,
	279	struct drm_etnaviv_pm_domain *domain)
	280	{
	281	const struct etnaviv_pm_domain_meta *meta = &doms_meta[domain->pipe];
	282	const struct etnaviv_pm_domain *dom;
	283
	284	if (domain->iter >= meta->nr_domains)
	285	return -EINVAL;
	286
	287	dom = meta->domains + domain->iter;
	288
	289	domain->id = domain->iter;
	290	domain->nr_signals = dom->nr_signals;
	291	strncpy(domain->name, dom->name, sizeof(domain->name));
	292
	293	domain->iter++;
	294	if (domain->iter == meta->nr_domains)
	295	domain->iter = 0xff;
	296
	297	return 0;
	298	}
	299
	300	int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,
	301	struct drm_etnaviv_pm_signal *signal)
	302	{
	303	const struct etnaviv_pm_domain_meta *meta = &doms_meta[signal->pipe];
	304	const struct etnaviv_pm_domain *dom;
	305	const struct etnaviv_pm_signal *sig;
	306
	307	if (signal->domain >= meta->nr_domains)
	308	return -EINVAL;
	309
	310	dom = meta->domains + signal->domain;
	311
	312	if (signal->iter > dom->nr_signals)
	313	return -EINVAL;
	314
	315	sig = &dom->signal[signal->iter];
	316
	317	signal->id = signal->iter;
	318	strncpy(signal->name, sig->name, sizeof(signal->name));
	319
	320	signal->iter++;
	321	if (signal->iter == dom->nr_signals)
322	signal->iter = 0xffff;
323
324	return 0;
325	}
46df52cd CG	326
	327	int etnaviv_pm_req_validate(const struct drm_etnaviv_gem_submit_pmr *r,
	328	u32 exec_state)
	329	{
	330	const struct etnaviv_pm_domain_meta *meta = &doms_meta[exec_state];
	331	const struct etnaviv_pm_domain *dom;
	332
	333	if (r->domain >= meta->nr_domains)
	334	return -EINVAL;
	335
	336	dom = meta->domains + r->domain;
	337
	338	if (r->signal > dom->nr_signals)
	339	return -EINVAL;
	340
	341	return 0;
	342	}
249300c7 CG	343
	344	void etnaviv_perfmon_process(struct etnaviv_gpu *gpu,
	345	const struct etnaviv_perfmon_request *pmr)
	346	{
	347	const struct etnaviv_pm_domain_meta *meta = &doms_meta[gpu->exec_state];
	348	const struct etnaviv_pm_domain *dom;
	349	const struct etnaviv_pm_signal *sig;
	350	u32 *bo = pmr->bo_vma;
	351	u32 val;
	352
	353	dom = meta->domains + pmr->domain;
	354	sig = &dom->signal[pmr->signal];
	355	val = sig->sample(gpu, dom, sig);
	356
	357	*(bo + pmr->offset) = val;
	358	}