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