[deliverable/linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_benchmark.c

/*
 * Copyright 2009 Jerome Glisse.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Jerome Glisse
 */
#include <drm/drmP.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"

#define AMDGPU_BENCHMARK_ITERATIONS 1024
#define AMDGPU_BENCHMARK_COMMON_MODES_N 17

static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
				    uint64_t saddr, uint64_t daddr, int n)
{
	unsigned long start_jiffies;
	unsigned long end_jiffies;
	struct fence *fence = NULL;
	int i, r;

	start_jiffies = jiffies;
	for (i = 0; i < n; i++) {
		struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
		r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
				       false);
		if (r)
			goto exit_do_move;
		r = fence_wait(fence, false);
		if (r)
			goto exit_do_move;
		fence_put(fence);
	}
	end_jiffies = jiffies;
	r = jiffies_to_msecs(end_jiffies - start_jiffies);

exit_do_move:
	if (fence)
		fence_put(fence);
	return r;
}


static void amdgpu_benchmark_log_results(int n, unsigned size,
					 unsigned int time,
					 unsigned sdomain, unsigned ddomain,
					 char *kind)
{
	unsigned int throughput = (n * (size >> 10)) / time;
	DRM_INFO("amdgpu: %s %u bo moves of %u kB from"
		 " %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
		 kind, n, size >> 10, sdomain, ddomain, time,
		 throughput * 8, throughput);
}

static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
				  unsigned sdomain, unsigned ddomain)
{
	struct amdgpu_bo *dobj = NULL;
	struct amdgpu_bo *sobj = NULL;
	uint64_t saddr, daddr;
	int r, n;
	int time;

	n = AMDGPU_BENCHMARK_ITERATIONS;
	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL,
			     NULL, &sobj);
	if (r) {
		goto out_cleanup;
	}
	r = amdgpu_bo_reserve(sobj, false);
	if (unlikely(r != 0))
		goto out_cleanup;
	r = amdgpu_bo_pin(sobj, sdomain, &saddr);
	amdgpu_bo_unreserve(sobj);
	if (r) {
		goto out_cleanup;
	}
	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL,
			     NULL, &dobj);
	if (r) {
		goto out_cleanup;
	}
	r = amdgpu_bo_reserve(dobj, false);
	if (unlikely(r != 0))
		goto out_cleanup;
	r = amdgpu_bo_pin(dobj, ddomain, &daddr);
	amdgpu_bo_unreserve(dobj);
	if (r) {
		goto out_cleanup;
	}

	if (adev->mman.buffer_funcs) {
		time = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n);
		if (time < 0)
			goto out_cleanup;
		if (time > 0)
			amdgpu_benchmark_log_results(n, size, time,
						     sdomain, ddomain, "dma");
	}

out_cleanup:
	if (sobj) {
		r = amdgpu_bo_reserve(sobj, false);
		if (likely(r == 0)) {
			amdgpu_bo_unpin(sobj);
			amdgpu_bo_unreserve(sobj);
		}
		amdgpu_bo_unref(&sobj);
	}
	if (dobj) {
		r = amdgpu_bo_reserve(dobj, false);
		if (likely(r == 0)) {
			amdgpu_bo_unpin(dobj);
			amdgpu_bo_unreserve(dobj);
		}
		amdgpu_bo_unref(&dobj);
	}

	if (r) {
		DRM_ERROR("Error while benchmarking BO move.\n");
	}
}

void amdgpu_benchmark(struct amdgpu_device *adev, int test_number)
{
	int i;
	static const int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = {
		640 * 480 * 4,
		720 * 480 * 4,
		800 * 600 * 4,
		848 * 480 * 4,
		1024 * 768 * 4,
		1152 * 768 * 4,
		1280 * 720 * 4,
		1280 * 800 * 4,
		1280 * 854 * 4,
		1280 * 960 * 4,
		1280 * 1024 * 4,
		1440 * 900 * 4,
		1400 * 1050 * 4,
		1680 * 1050 * 4,
		1600 * 1200 * 4,
		1920 * 1080 * 4,
		1920 * 1200 * 4
	};

	switch (test_number) {
	case 1:
		/* simple test, VRAM to GTT and GTT to VRAM */
		amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
				      AMDGPU_GEM_DOMAIN_VRAM);
		amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
				      AMDGPU_GEM_DOMAIN_GTT);
		break;
	case 2:
		/* simple test, VRAM to VRAM */
		amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
				      AMDGPU_GEM_DOMAIN_VRAM);
		break;
	case 3:
		/* GTT to VRAM, buffer size sweep, powers of 2 */
		for (i = 1; i <= 16384; i <<= 1)
			amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
					      AMDGPU_GEM_DOMAIN_GTT,
					      AMDGPU_GEM_DOMAIN_VRAM);
		break;
	case 4:
		/* VRAM to GTT, buffer size sweep, powers of 2 */
		for (i = 1; i <= 16384; i <<= 1)
			amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
					      AMDGPU_GEM_DOMAIN_VRAM,
					      AMDGPU_GEM_DOMAIN_GTT);
		break;
	case 5:
		/* VRAM to VRAM, buffer size sweep, powers of 2 */
		for (i = 1; i <= 16384; i <<= 1)
			amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
					      AMDGPU_GEM_DOMAIN_VRAM,
					      AMDGPU_GEM_DOMAIN_VRAM);
		break;
	case 6:
		/* GTT to VRAM, buffer size sweep, common modes */
		for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
			amdgpu_benchmark_move(adev, common_modes[i],
					      AMDGPU_GEM_DOMAIN_GTT,
					      AMDGPU_GEM_DOMAIN_VRAM);
		break;
	case 7:
		/* VRAM to GTT, buffer size sweep, common modes */
		for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
			amdgpu_benchmark_move(adev, common_modes[i],
					      AMDGPU_GEM_DOMAIN_VRAM,
					      AMDGPU_GEM_DOMAIN_GTT);
		break;
	case 8:
		/* VRAM to VRAM, buffer size sweep, common modes */
		for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
			amdgpu_benchmark_move(adev, common_modes[i],
					      AMDGPU_GEM_DOMAIN_VRAM,
					      AMDGPU_GEM_DOMAIN_VRAM);
		break;

	default:
		DRM_ERROR("Unknown benchmark\n");
	}
}
Commit	Line	Data
d38ceaf9 AD	1	/*
	2	* Copyright 2009 Jerome Glisse.
	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	* Authors: Jerome Glisse
	23	*/
	24	#include <drm/drmP.h>
	25	#include <drm/amdgpu_drm.h>
	26	#include "amdgpu.h"
	27
	28	#define AMDGPU_BENCHMARK_ITERATIONS 1024
	29	#define AMDGPU_BENCHMARK_COMMON_MODES_N 17
	30
	31	static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
	32	uint64_t saddr, uint64_t daddr, int n)
	33	{
	34	unsigned long start_jiffies;
	35	unsigned long end_jiffies;
c7ae72c0	36	struct fence *fence = NULL;
d38ceaf9 AD	37	int i, r;
	38
	39	start_jiffies = jiffies;
	40	for (i = 0; i < n; i++) {
	41	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
e24db985 CZ	42	r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
e24db985 CZ	43	false);
d38ceaf9 AD	44	if (r)
d38ceaf9 AD	45	goto exit_do_move;
c7ae72c0	46	r = fence_wait(fence, false);
d38ceaf9 AD	47	if (r)
d38ceaf9 AD	48	goto exit_do_move;
c7ae72c0	49	fence_put(fence);
d38ceaf9 AD	50	}
	51	end_jiffies = jiffies;
	52	r = jiffies_to_msecs(end_jiffies - start_jiffies);
	53
	54	exit_do_move:
	55	if (fence)
c7ae72c0	56	fence_put(fence);
d38ceaf9 AD	57	return r;
	58	}
	59
	60
	61	static void amdgpu_benchmark_log_results(int n, unsigned size,
	62	unsigned int time,
	63	unsigned sdomain, unsigned ddomain,
	64	char *kind)
	65	{
	66	unsigned int throughput = (n * (size >> 10)) / time;
	67	DRM_INFO("amdgpu: %s %u bo moves of %u kB from"
	68	" %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
	69	kind, n, size >> 10, sdomain, ddomain, time,
	70	throughput * 8, throughput);
	71	}
	72
	73	static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
	74	unsigned sdomain, unsigned ddomain)
	75	{
	76	struct amdgpu_bo *dobj = NULL;
	77	struct amdgpu_bo *sobj = NULL;
	78	uint64_t saddr, daddr;
	79	int r, n;
	80	int time;
	81
	82	n = AMDGPU_BENCHMARK_ITERATIONS;
72d7668b CK	83	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL,
72d7668b CK	84	NULL, &sobj);
d38ceaf9 AD	85	if (r) {
	86	goto out_cleanup;
	87	}
	88	r = amdgpu_bo_reserve(sobj, false);
	89	if (unlikely(r != 0))
	90	goto out_cleanup;
	91	r = amdgpu_bo_pin(sobj, sdomain, &saddr);
	92	amdgpu_bo_unreserve(sobj);
	93	if (r) {
	94	goto out_cleanup;
	95	}
72d7668b CK	96	r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL,
72d7668b CK	97	NULL, &dobj);
d38ceaf9 AD	98	if (r) {
	99	goto out_cleanup;
	100	}
	101	r = amdgpu_bo_reserve(dobj, false);
	102	if (unlikely(r != 0))
	103	goto out_cleanup;
	104	r = amdgpu_bo_pin(dobj, ddomain, &daddr);
	105	amdgpu_bo_unreserve(dobj);
	106	if (r) {
	107	goto out_cleanup;
	108	}
	109
	110	if (adev->mman.buffer_funcs) {
	111	time = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n);
	112	if (time < 0)
	113	goto out_cleanup;
	114	if (time > 0)
	115	amdgpu_benchmark_log_results(n, size, time,
	116	sdomain, ddomain, "dma");
	117	}
	118
	119	out_cleanup:
	120	if (sobj) {
	121	r = amdgpu_bo_reserve(sobj, false);
	122	if (likely(r == 0)) {
	123	amdgpu_bo_unpin(sobj);
	124	amdgpu_bo_unreserve(sobj);
	125	}
	126	amdgpu_bo_unref(&sobj);
	127	}
	128	if (dobj) {
	129	r = amdgpu_bo_reserve(dobj, false);
	130	if (likely(r == 0)) {
	131	amdgpu_bo_unpin(dobj);
	132	amdgpu_bo_unreserve(dobj);
	133	}
	134	amdgpu_bo_unref(&dobj);
	135	}
	136
	137	if (r) {
	138	DRM_ERROR("Error while benchmarking BO move.\n");
	139	}
	140	}
	141
	142	void amdgpu_benchmark(struct amdgpu_device *adev, int test_number)
	143	{
	144	int i;
aeba709a	145	static const int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = {
d38ceaf9 AD	146	640 * 480 * 4,
	147	720 * 480 * 4,
	148	800 * 600 * 4,
	149	848 * 480 * 4,
	150	1024 * 768 * 4,
	151	1152 * 768 * 4,
	152	1280 * 720 * 4,
	153	1280 * 800 * 4,
	154	1280 * 854 * 4,
	155	1280 * 960 * 4,
	156	1280 * 1024 * 4,
	157	1440 * 900 * 4,
	158	1400 * 1050 * 4,
	159	1680 * 1050 * 4,
	160	1600 * 1200 * 4,
	161	1920 * 1080 * 4,
	162	1920 * 1200 * 4
	163	};
	164
	165	switch (test_number) {
	166	case 1:
	167	/* simple test, VRAM to GTT and GTT to VRAM */
	168	amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
	169	AMDGPU_GEM_DOMAIN_VRAM);
	170	amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
	171	AMDGPU_GEM_DOMAIN_GTT);
	172	break;
	173	case 2:
	174	/* simple test, VRAM to VRAM */
	175	amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
	176	AMDGPU_GEM_DOMAIN_VRAM);
	177	break;
	178	case 3:
	179	/* GTT to VRAM, buffer size sweep, powers of 2 */
	180	for (i = 1; i <= 16384; i <<= 1)
	181	amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
	182	AMDGPU_GEM_DOMAIN_GTT,
	183	AMDGPU_GEM_DOMAIN_VRAM);
	184	break;
	185	case 4:
	186	/* VRAM to GTT, buffer size sweep, powers of 2 */
	187	for (i = 1; i <= 16384; i <<= 1)
	188	amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
	189	AMDGPU_GEM_DOMAIN_VRAM,
	190	AMDGPU_GEM_DOMAIN_GTT);
	191	break;
	192	case 5:
	193	/* VRAM to VRAM, buffer size sweep, powers of 2 */
	194	for (i = 1; i <= 16384; i <<= 1)
	195	amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
	196	AMDGPU_GEM_DOMAIN_VRAM,
	197	AMDGPU_GEM_DOMAIN_VRAM);
	198	break;
	199	case 6:
	200	/* GTT to VRAM, buffer size sweep, common modes */
	201	for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
	202	amdgpu_benchmark_move(adev, common_modes[i],
	203	AMDGPU_GEM_DOMAIN_GTT,
	204	AMDGPU_GEM_DOMAIN_VRAM);
	205	break;
	206	case 7:
	207	/* VRAM to GTT, buffer size sweep, common modes */
	208	for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
	209	amdgpu_benchmark_move(adev, common_modes[i],
210	AMDGPU_GEM_DOMAIN_VRAM,
211	AMDGPU_GEM_DOMAIN_GTT);
212	break;
213	case 8:
214	/* VRAM to VRAM, buffer size sweep, common modes */
215	for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++)
216	amdgpu_benchmark_move(adev, common_modes[i],
217	AMDGPU_GEM_DOMAIN_VRAM,
218	AMDGPU_GEM_DOMAIN_VRAM);
219	break;
220
221	default:
222	DRM_ERROR("Unknown benchmark\n");
223	}
224	}