[deliverable/linux.git] / drivers / gpu / drm / radeon / radeon_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/radeon_drm.h>
#include "radeon_reg.h"
#include "radeon.h"

#define RADEON_BENCHMARK_COPY_BLIT 1
#define RADEON_BENCHMARK_COPY_DMA  0

#define RADEON_BENCHMARK_ITERATIONS 1024
#define RADEON_BENCHMARK_COMMON_MODES_N 17

static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
				    uint64_t saddr, uint64_t daddr,
				    int flag, int n)
{
	unsigned long start_jiffies;
	unsigned long end_jiffies;
	struct radeon_fence *fence = NULL;
	int i, r;

	start_jiffies = jiffies;
	for (i = 0; i < n; i++) {
		r = radeon_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
		if (r)
			return r;

		switch (flag) {
		case RADEON_BENCHMARK_COPY_DMA:
			r = radeon_copy_dma(rdev, saddr, daddr,
					    size / RADEON_GPU_PAGE_SIZE,
					    fence);
			break;
		case RADEON_BENCHMARK_COPY_BLIT:
			r = radeon_copy_blit(rdev, saddr, daddr,
					     size / RADEON_GPU_PAGE_SIZE,
					     fence);
			break;
		default:
			DRM_ERROR("Unknown copy method\n");
			r = -EINVAL;
		}
		if (r)
			goto exit_do_move;
		r = radeon_fence_wait(fence, false);
		if (r)
			goto exit_do_move;
		radeon_fence_unref(&fence);
	}
	end_jiffies = jiffies;
	r = jiffies_to_msecs(end_jiffies - start_jiffies);

exit_do_move:
	if (fence)
		radeon_fence_unref(&fence);
	return r;
}


static void radeon_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("radeon: %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 radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
				  unsigned sdomain, unsigned ddomain)
{
	struct radeon_bo *dobj = NULL;
	struct radeon_bo *sobj = NULL;
	uint64_t saddr, daddr;
	int r, n;
	int time;

	n = RADEON_BENCHMARK_ITERATIONS;
	r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, &sobj);
	if (r) {
		goto out_cleanup;
	}
	r = radeon_bo_reserve(sobj, false);
	if (unlikely(r != 0))
		goto out_cleanup;
	r = radeon_bo_pin(sobj, sdomain, &saddr);
	radeon_bo_unreserve(sobj);
	if (r) {
		goto out_cleanup;
	}
	r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, &dobj);
	if (r) {
		goto out_cleanup;
	}
	r = radeon_bo_reserve(dobj, false);
	if (unlikely(r != 0))
		goto out_cleanup;
	r = radeon_bo_pin(dobj, ddomain, &daddr);
	radeon_bo_unreserve(dobj);
	if (r) {
		goto out_cleanup;
	}

	/* r100 doesn't have dma engine so skip the test */
	/* also, VRAM-to-VRAM test doesn't make much sense for DMA */
	/* skip it as well if domains are the same */
	if ((rdev->asic->copy_dma) && (sdomain != ddomain)) {
		time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
						RADEON_BENCHMARK_COPY_DMA, n);
		if (time < 0)
			goto out_cleanup;
		if (time > 0)
			radeon_benchmark_log_results(n, size, time,
						     sdomain, ddomain, "dma");
	}

	time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
					RADEON_BENCHMARK_COPY_BLIT, n);
	if (time < 0)
		goto out_cleanup;
	if (time > 0)
		radeon_benchmark_log_results(n, size, time,
					     sdomain, ddomain, "blit");

out_cleanup:
	if (sobj) {
		r = radeon_bo_reserve(sobj, false);
		if (likely(r == 0)) {
			radeon_bo_unpin(sobj);
			radeon_bo_unreserve(sobj);
		}
		radeon_bo_unref(&sobj);
	}
	if (dobj) {
		r = radeon_bo_reserve(dobj, false);
		if (likely(r == 0)) {
			radeon_bo_unpin(dobj);
			radeon_bo_unreserve(dobj);
		}
		radeon_bo_unref(&dobj);
	}

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

void radeon_benchmark(struct radeon_device *rdev, int test_number)
{
	int i;
	int common_modes[RADEON_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 */
		radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT,
				      RADEON_GEM_DOMAIN_VRAM);
		radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
				      RADEON_GEM_DOMAIN_GTT);
		break;
	case 2:
		/* simple test, VRAM to VRAM */
		radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
				      RADEON_GEM_DOMAIN_VRAM);
		break;
	case 3:
		/* GTT to VRAM, buffer size sweep, powers of 2 */
		for (i = 1; i <= 16384; i <<= 1)
			radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
					      RADEON_GEM_DOMAIN_GTT,
					      RADEON_GEM_DOMAIN_VRAM);
		break;
	case 4:
		/* VRAM to GTT, buffer size sweep, powers of 2 */
		for (i = 1; i <= 16384; i <<= 1)
			radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
					      RADEON_GEM_DOMAIN_VRAM,
					      RADEON_GEM_DOMAIN_GTT);
		break;
	case 5:
		/* VRAM to VRAM, buffer size sweep, powers of 2 */
		for (i = 1; i <= 16384; i <<= 1)
			radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
					      RADEON_GEM_DOMAIN_VRAM,
					      RADEON_GEM_DOMAIN_VRAM);
		break;
	case 6:
		/* GTT to VRAM, buffer size sweep, common modes */
		for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
			radeon_benchmark_move(rdev, common_modes[i],
					      RADEON_GEM_DOMAIN_GTT,
					      RADEON_GEM_DOMAIN_VRAM);
		break;
	case 7:
		/* VRAM to GTT, buffer size sweep, common modes */
		for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
			radeon_benchmark_move(rdev, common_modes[i],
					      RADEON_GEM_DOMAIN_VRAM,
					      RADEON_GEM_DOMAIN_GTT);
		break;
	case 8:
		/* VRAM to VRAM, buffer size sweep, common modes */
		for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
			radeon_benchmark_move(rdev, common_modes[i],
					      RADEON_GEM_DOMAIN_VRAM,
					      RADEON_GEM_DOMAIN_VRAM);
		break;

	default:
		DRM_ERROR("Unknown benchmark\n");
	}
}
Commit	Line	Data
771fe6b9 JG	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/radeon_drm.h>
	26	#include "radeon_reg.h"
	27	#include "radeon.h"
	28
cc340515 IH	29	#define RADEON_BENCHMARK_COPY_BLIT 1
	30	#define RADEON_BENCHMARK_COPY_DMA 0
	31
	32	#define RADEON_BENCHMARK_ITERATIONS 1024
638dd7db	33	#define RADEON_BENCHMARK_COMMON_MODES_N 17
cc340515 IH	34
	35	static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
	36	uint64_t saddr, uint64_t daddr,
	37	int flag, int n)
	38	{
	39	unsigned long start_jiffies;
	40	unsigned long end_jiffies;
	41	struct radeon_fence *fence = NULL;
	42	int i, r;
	43
	44	start_jiffies = jiffies;
	45	for (i = 0; i < n; i++) {
7465280c	46	r = radeon_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
cc340515 IH	47	if (r)
	48	return r;
	49
	50	switch (flag) {
	51	case RADEON_BENCHMARK_COPY_DMA:
	52	r = radeon_copy_dma(rdev, saddr, daddr,
	53	size / RADEON_GPU_PAGE_SIZE,
	54	fence);
	55	break;
	56	case RADEON_BENCHMARK_COPY_BLIT:
	57	r = radeon_copy_blit(rdev, saddr, daddr,
	58	size / RADEON_GPU_PAGE_SIZE,
	59	fence);
	60	break;
	61	default:
	62	DRM_ERROR("Unknown copy method\n");
	63	r = -EINVAL;
	64	}
	65	if (r)
	66	goto exit_do_move;
	67	r = radeon_fence_wait(fence, false);
	68	if (r)
	69	goto exit_do_move;
	70	radeon_fence_unref(&fence);
	71	}
	72	end_jiffies = jiffies;
	73	r = jiffies_to_msecs(end_jiffies - start_jiffies);
	74
	75	exit_do_move:
	76	if (fence)
	77	radeon_fence_unref(&fence);
	78	return r;
	79	}
	80
	81
	82	static void radeon_benchmark_log_results(int n, unsigned size,
	83	unsigned int time,
	84	unsigned sdomain, unsigned ddomain,
	85	char *kind)
	86	{
	87	unsigned int throughput = (n * (size >> 10)) / time;
	88	DRM_INFO("radeon: %s %u bo moves of %u kB from"
	89	" %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
	90	kind, n, size >> 10, sdomain, ddomain, time,
	91	throughput * 8, throughput);
	92	}
	93
	94	static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
	95	unsigned sdomain, unsigned ddomain)
771fe6b9	96	{
4c788679 JG	97	struct radeon_bo *dobj = NULL;
4c788679 JG	98	struct radeon_bo *sobj = NULL;
771fe6b9	99	uint64_t saddr, daddr;
cc340515	100	int r, n;
bfba1658	101	int time;
771fe6b9	102
cc340515	103	n = RADEON_BENCHMARK_ITERATIONS;
441921d5	104	r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, &sobj);
771fe6b9 JG	105	if (r) {
	106	goto out_cleanup;
	107	}
4c788679 JG	108	r = radeon_bo_reserve(sobj, false);
	109	if (unlikely(r != 0))
	110	goto out_cleanup;
	111	r = radeon_bo_pin(sobj, sdomain, &saddr);
	112	radeon_bo_unreserve(sobj);
771fe6b9 JG	113	if (r) {
	114	goto out_cleanup;
	115	}
441921d5	116	r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, &dobj);
771fe6b9 JG	117	if (r) {
	118	goto out_cleanup;
	119	}
4c788679 JG	120	r = radeon_bo_reserve(dobj, false);
	121	if (unlikely(r != 0))
	122	goto out_cleanup;
	123	r = radeon_bo_pin(dobj, ddomain, &daddr);
	124	radeon_bo_unreserve(dobj);
771fe6b9 JG	125	if (r) {
	126	goto out_cleanup;
	127	}
c60a284c PN	128
c60a284c PN	129	/* r100 doesn't have dma engine so skip the test */
638dd7db IH	130	/* also, VRAM-to-VRAM test doesn't make much sense for DMA */
	131	/* skip it as well if domains are the same */
	132	if ((rdev->asic->copy_dma) && (sdomain != ddomain)) {
cc340515 IH	133	time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
	134	RADEON_BENCHMARK_COPY_DMA, n);
	135	if (time < 0)
771fe6b9	136	goto out_cleanup;
cc340515 IH	137	if (time > 0)
	138	radeon_benchmark_log_results(n, size, time,
	139	sdomain, ddomain, "dma");
771fe6b9	140	}
cc340515 IH	141
	142	time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
	143	RADEON_BENCHMARK_COPY_BLIT, n);
	144	if (time < 0)
	145	goto out_cleanup;
	146	if (time > 0)
	147	radeon_benchmark_log_results(n, size, time,
	148	sdomain, ddomain, "blit");
	149
771fe6b9 JG	150	out_cleanup:
771fe6b9 JG	151	if (sobj) {
4c788679 JG	152	r = radeon_bo_reserve(sobj, false);
	153	if (likely(r == 0)) {
	154	radeon_bo_unpin(sobj);
	155	radeon_bo_unreserve(sobj);
	156	}
	157	radeon_bo_unref(&sobj);
771fe6b9 JG	158	}
771fe6b9 JG	159	if (dobj) {
4c788679 JG	160	r = radeon_bo_reserve(dobj, false);
	161	if (likely(r == 0)) {
	162	radeon_bo_unpin(dobj);
	163	radeon_bo_unreserve(dobj);
	164	}
	165	radeon_bo_unref(&dobj);
771fe6b9	166	}
cc340515	167
771fe6b9	168	if (r) {
cc340515	169	DRM_ERROR("Error while benchmarking BO move.\n");
771fe6b9 JG	170	}
	171	}
	172
638dd7db	173	void radeon_benchmark(struct radeon_device *rdev, int test_number)
771fe6b9	174	{
638dd7db IH	175	int i;
	176	int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = {
	177	640 * 480 * 4,
	178	720 * 480 * 4,
	179	800 * 600 * 4,
	180	848 * 480 * 4,
	181	1024 * 768 * 4,
	182	1152 * 768 * 4,
	183	1280 * 720 * 4,
	184	1280 * 800 * 4,
	185	1280 * 854 * 4,
	186	1280 * 960 * 4,
	187	1280 * 1024 * 4,
	188	1440 * 900 * 4,
	189	1400 * 1050 * 4,
	190	1680 * 1050 * 4,
	191	1600 * 1200 * 4,
	192	1920 * 1080 * 4,
	193	1920 * 1200 * 4
	194	};
	195
	196	switch (test_number) {
	197	case 1:
	198	/* simple test, VRAM to GTT and GTT to VRAM */
	199	radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT,
	200	RADEON_GEM_DOMAIN_VRAM);
	201	radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
	202	RADEON_GEM_DOMAIN_GTT);
	203	break;
	204	case 2:
	205	/* simple test, VRAM to VRAM */
	206	radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
	207	RADEON_GEM_DOMAIN_VRAM);
	208	break;
	209	case 3:
	210	/* GTT to VRAM, buffer size sweep, powers of 2 */
6d75e83e IH	211	for (i = 1; i <= 16384; i <<= 1)
6d75e83e IH	212	radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
638dd7db IH	213	RADEON_GEM_DOMAIN_GTT,
	214	RADEON_GEM_DOMAIN_VRAM);
	215	break;
	216	case 4:
	217	/* VRAM to GTT, buffer size sweep, powers of 2 */
6d75e83e IH	218	for (i = 1; i <= 16384; i <<= 1)
6d75e83e IH	219	radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
638dd7db IH	220	RADEON_GEM_DOMAIN_VRAM,
	221	RADEON_GEM_DOMAIN_GTT);
	222	break;
	223	case 5:
	224	/* VRAM to VRAM, buffer size sweep, powers of 2 */
6d75e83e IH	225	for (i = 1; i <= 16384; i <<= 1)
6d75e83e IH	226	radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
638dd7db IH	227	RADEON_GEM_DOMAIN_VRAM,
	228	RADEON_GEM_DOMAIN_VRAM);
	229	break;
	230	case 6:
	231	/* GTT to VRAM, buffer size sweep, common modes */
d7d0a75c	232	for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
638dd7db IH	233	radeon_benchmark_move(rdev, common_modes[i],
	234	RADEON_GEM_DOMAIN_GTT,
	235	RADEON_GEM_DOMAIN_VRAM);
	236	break;
	237	case 7:
	238	/* VRAM to GTT, buffer size sweep, common modes */
d7d0a75c	239	for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
638dd7db IH	240	radeon_benchmark_move(rdev, common_modes[i],
	241	RADEON_GEM_DOMAIN_VRAM,
	242	RADEON_GEM_DOMAIN_GTT);
	243	break;
	244	case 8:
	245	/* VRAM to VRAM, buffer size sweep, common modes */
d7d0a75c	246	for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
638dd7db IH	247	radeon_benchmark_move(rdev, common_modes[i],
	248	RADEON_GEM_DOMAIN_VRAM,
	249	RADEON_GEM_DOMAIN_VRAM);
	250	break;
	251
	252	default:
	253	DRM_ERROR("Unknown benchmark\n");
	254	}
771fe6b9	255	}