[mirror_ubuntu-jammy-kernel.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_test.c

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright 2009 VMware, Inc.
 *
 * 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: Michel Dänzer
 */
#include <drm/drmP.h>
#include <drm/amdgpu_drm.h>
#include "amdgpu.h"
#include "amdgpu_uvd.h"
#include "amdgpu_vce.h"

/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
static void amdgpu_do_test_moves(struct amdgpu_device *adev)
{
	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
	struct amdgpu_bo *vram_obj = NULL;
	struct amdgpu_bo **gtt_obj = NULL;
	struct amdgpu_bo_param bp;
	uint64_t gart_addr, vram_addr;
	unsigned n, size;
	int i, r;

	size = 1024 * 1024;

	/* Number of tests =
	 * (Total GTT - IB pool - writeback page - ring buffers) / test size
	 */
	n = adev->gmc.gart_size - AMDGPU_IB_POOL_SIZE*64*1024;
	for (i = 0; i < AMDGPU_MAX_RINGS; ++i)
		if (adev->rings[i])
			n -= adev->rings[i]->ring_size;
	if (adev->wb.wb_obj)
		n -= AMDGPU_GPU_PAGE_SIZE;
	if (adev->irq.ih.ring_obj)
		n -= adev->irq.ih.ring_size;
	n /= size;

	gtt_obj = kcalloc(n, sizeof(*gtt_obj), GFP_KERNEL);
	if (!gtt_obj) {
		DRM_ERROR("Failed to allocate %d pointers\n", n);
		r = 1;
		goto out_cleanup;
	}
	memset(&bp, 0, sizeof(bp));
	bp.size = size;
	bp.byte_align = PAGE_SIZE;
	bp.domain = AMDGPU_GEM_DOMAIN_VRAM;
	bp.flags = 0;
	bp.type = ttm_bo_type_kernel;
	bp.resv = NULL;

	r = amdgpu_bo_create(adev, &bp, &vram_obj);
	if (r) {
		DRM_ERROR("Failed to create VRAM object\n");
		goto out_cleanup;
	}
	r = amdgpu_bo_reserve(vram_obj, false);
	if (unlikely(r != 0))
		goto out_unref;
	r = amdgpu_bo_pin(vram_obj, AMDGPU_GEM_DOMAIN_VRAM);
	if (r) {
		DRM_ERROR("Failed to pin VRAM object\n");
		goto out_unres;
	}
	vram_addr = amdgpu_bo_gpu_offset(vram_obj);
	for (i = 0; i < n; i++) {
		void *gtt_map, *vram_map;
		void **gart_start, **gart_end;
		void **vram_start, **vram_end;
		struct dma_fence *fence = NULL;

		bp.domain = AMDGPU_GEM_DOMAIN_GTT;
		r = amdgpu_bo_create(adev, &bp, gtt_obj + i);
		if (r) {
			DRM_ERROR("Failed to create GTT object %d\n", i);
			goto out_lclean;
		}

		r = amdgpu_bo_reserve(gtt_obj[i], false);
		if (unlikely(r != 0))
			goto out_lclean_unref;
		r = amdgpu_bo_pin(gtt_obj[i], AMDGPU_GEM_DOMAIN_GTT);
		if (r) {
			DRM_ERROR("Failed to pin GTT object %d\n", i);
			goto out_lclean_unres;
		}
		r = amdgpu_ttm_alloc_gart(&gtt_obj[i]->tbo);
		if (r) {
			DRM_ERROR("%p bind failed\n", gtt_obj[i]);
			goto out_lclean_unpin;
		}
		gart_addr = amdgpu_bo_gpu_offset(gtt_obj[i]);

		r = amdgpu_bo_kmap(gtt_obj[i], &gtt_map);
		if (r) {
			DRM_ERROR("Failed to map GTT object %d\n", i);
			goto out_lclean_unpin;
		}

		for (gart_start = gtt_map, gart_end = gtt_map + size;
		     gart_start < gart_end;
		     gart_start++)
			*gart_start = gart_start;

		amdgpu_bo_kunmap(gtt_obj[i]);

		r = amdgpu_copy_buffer(ring, gart_addr, vram_addr,
				       size, NULL, &fence, false, false);

		if (r) {
			DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
			goto out_lclean_unpin;
		}

		r = dma_fence_wait(fence, false);
		if (r) {
			DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
			goto out_lclean_unpin;
		}

		dma_fence_put(fence);

		r = amdgpu_bo_kmap(vram_obj, &vram_map);
		if (r) {
			DRM_ERROR("Failed to map VRAM object after copy %d\n", i);
			goto out_lclean_unpin;
		}

		for (gart_start = gtt_map, gart_end = gtt_map + size,
		     vram_start = vram_map, vram_end = vram_map + size;
		     vram_start < vram_end;
		     gart_start++, vram_start++) {
			if (*vram_start != gart_start) {
				DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
					  "expected 0x%p (GTT/VRAM offset "
					  "0x%16llx/0x%16llx)\n",
					  i, *vram_start, gart_start,
					  (unsigned long long)
					  (gart_addr - adev->gmc.gart_start +
					   (void*)gart_start - gtt_map),
					  (unsigned long long)
					  (vram_addr - adev->gmc.vram_start +
					   (void*)gart_start - gtt_map));
				amdgpu_bo_kunmap(vram_obj);
				goto out_lclean_unpin;
			}
			*vram_start = vram_start;
		}

		amdgpu_bo_kunmap(vram_obj);

		r = amdgpu_copy_buffer(ring, vram_addr, gart_addr,
				       size, NULL, &fence, false, false);

		if (r) {
			DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
			goto out_lclean_unpin;
		}

		r = dma_fence_wait(fence, false);
		if (r) {
			DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
			goto out_lclean_unpin;
		}

		dma_fence_put(fence);

		r = amdgpu_bo_kmap(gtt_obj[i], &gtt_map);
		if (r) {
			DRM_ERROR("Failed to map GTT object after copy %d\n", i);
			goto out_lclean_unpin;
		}

		for (gart_start = gtt_map, gart_end = gtt_map + size,
		     vram_start = vram_map, vram_end = vram_map + size;
		     gart_start < gart_end;
		     gart_start++, vram_start++) {
			if (*gart_start != vram_start) {
				DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
					  "expected 0x%p (VRAM/GTT offset "
					  "0x%16llx/0x%16llx)\n",
					  i, *gart_start, vram_start,
					  (unsigned long long)
					  (vram_addr - adev->gmc.vram_start +
					   (void*)vram_start - vram_map),
					  (unsigned long long)
					  (gart_addr - adev->gmc.gart_start +
					   (void*)vram_start - vram_map));
				amdgpu_bo_kunmap(gtt_obj[i]);
				goto out_lclean_unpin;
			}
		}

		amdgpu_bo_kunmap(gtt_obj[i]);

		DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
			 gart_addr - adev->gmc.gart_start);
		continue;

out_lclean_unpin:
		amdgpu_bo_unpin(gtt_obj[i]);
out_lclean_unres:
		amdgpu_bo_unreserve(gtt_obj[i]);
out_lclean_unref:
		amdgpu_bo_unref(&gtt_obj[i]);
out_lclean:
		for (--i; i >= 0; --i) {
			amdgpu_bo_unpin(gtt_obj[i]);
			amdgpu_bo_unreserve(gtt_obj[i]);
			amdgpu_bo_unref(&gtt_obj[i]);
		}
		if (fence)
			dma_fence_put(fence);
		break;
	}

	amdgpu_bo_unpin(vram_obj);
out_unres:
	amdgpu_bo_unreserve(vram_obj);
out_unref:
	amdgpu_bo_unref(&vram_obj);
out_cleanup:
	kfree(gtt_obj);
	if (r) {
		pr_warn("Error while testing BO move\n");
	}
}

void amdgpu_test_moves(struct amdgpu_device *adev)
{
	if (adev->mman.buffer_funcs)
		amdgpu_do_test_moves(adev);
}
Commit	Line	Data
9f87830f	1	// SPDX-License-Identifier: GPL-2.0 OR MIT
d38ceaf9 AD	2	/*
	3	* Copyright 2009 VMware, Inc.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice shall be included in
	13	* all copies or substantial portions of the Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	19	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	20	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	21	* OTHER DEALINGS IN THE SOFTWARE.
	22	*
	23	* Authors: Michel Dänzer
	24	*/
	25	#include <drm/drmP.h>
	26	#include <drm/amdgpu_drm.h>
	27	#include "amdgpu.h"
	28	#include "amdgpu_uvd.h"
	29	#include "amdgpu_vce.h"
	30
	31	/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */
	32	static void amdgpu_do_test_moves(struct amdgpu_device *adev)
	33	{
	34	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
	35	struct amdgpu_bo *vram_obj = NULL;
	36	struct amdgpu_bo **gtt_obj = NULL;
3216c6b7	37	struct amdgpu_bo_param bp;
6f02a696	38	uint64_t gart_addr, vram_addr;
d38ceaf9 AD	39	unsigned n, size;
	40	int i, r;
	41
	42	size = 1024 * 1024;
	43
	44	/* Number of tests =
	45	* (Total GTT - IB pool - writeback page - ring buffers) / test size
	46	*/
770d13b1	47	n = adev->gmc.gart_size - AMDGPU_IB_POOL_SIZE641024;
d38ceaf9 AD	48	for (i = 0; i < AMDGPU_MAX_RINGS; ++i)
	49	if (adev->rings[i])
	50	n -= adev->rings[i]->ring_size;
	51	if (adev->wb.wb_obj)
	52	n -= AMDGPU_GPU_PAGE_SIZE;
	53	if (adev->irq.ih.ring_obj)
	54	n -= adev->irq.ih.ring_size;
	55	n /= size;
	56
6396bb22	57	gtt_obj = kcalloc(n, sizeof(*gtt_obj), GFP_KERNEL);
d38ceaf9 AD	58	if (!gtt_obj) {
	59	DRM_ERROR("Failed to allocate %d pointers\n", n);
	60	r = 1;
	61	goto out_cleanup;
	62	}
3216c6b7 CZ	63	memset(&bp, 0, sizeof(bp));
	64	bp.size = size;
	65	bp.byte_align = PAGE_SIZE;
	66	bp.domain = AMDGPU_GEM_DOMAIN_VRAM;
	67	bp.flags = 0;
	68	bp.type = ttm_bo_type_kernel;
	69	bp.resv = NULL;
d38ceaf9	70
3216c6b7	71	r = amdgpu_bo_create(adev, &bp, &vram_obj);
d38ceaf9 AD	72	if (r) {
	73	DRM_ERROR("Failed to create VRAM object\n");
	74	goto out_cleanup;
	75	}
	76	r = amdgpu_bo_reserve(vram_obj, false);
	77	if (unlikely(r != 0))
	78	goto out_unref;
7b7c6c81	79	r = amdgpu_bo_pin(vram_obj, AMDGPU_GEM_DOMAIN_VRAM);
d38ceaf9 AD	80	if (r) {
	81	DRM_ERROR("Failed to pin VRAM object\n");
	82	goto out_unres;
	83	}
7b7c6c81	84	vram_addr = amdgpu_bo_gpu_offset(vram_obj);
d38ceaf9 AD	85	for (i = 0; i < n; i++) {
d38ceaf9 AD	86	void gtt_map, vram_map;
6f02a696	87	void gart_start, gart_end;
d38ceaf9	88	void vram_start, vram_end;
f54d1867	89	struct dma_fence *fence = NULL;
d38ceaf9	90
3216c6b7 CZ	91	bp.domain = AMDGPU_GEM_DOMAIN_GTT;
3216c6b7 CZ	92	r = amdgpu_bo_create(adev, &bp, gtt_obj + i);
d38ceaf9 AD	93	if (r) {
	94	DRM_ERROR("Failed to create GTT object %d\n", i);
	95	goto out_lclean;
	96	}
	97
	98	r = amdgpu_bo_reserve(gtt_obj[i], false);
	99	if (unlikely(r != 0))
	100	goto out_lclean_unref;
7b7c6c81	101	r = amdgpu_bo_pin(gtt_obj[i], AMDGPU_GEM_DOMAIN_GTT);
d38ceaf9 AD	102	if (r) {
	103	DRM_ERROR("Failed to pin GTT object %d\n", i);
	104	goto out_lclean_unres;
	105	}
bb812f1e JZ	106	r = amdgpu_ttm_alloc_gart(&gtt_obj[i]->tbo);
	107	if (r) {
	108	DRM_ERROR("%p bind failed\n", gtt_obj[i]);
	109	goto out_lclean_unpin;
	110	}
7b7c6c81	111	gart_addr = amdgpu_bo_gpu_offset(gtt_obj[i]);
d38ceaf9 AD	112
	113	r = amdgpu_bo_kmap(gtt_obj[i], &gtt_map);
	114	if (r) {
	115	DRM_ERROR("Failed to map GTT object %d\n", i);
	116	goto out_lclean_unpin;
	117	}
	118
6f02a696 CK	119	for (gart_start = gtt_map, gart_end = gtt_map + size;
	120	gart_start < gart_end;
	121	gart_start++)
	122	*gart_start = gart_start;
d38ceaf9 AD	123
	124	amdgpu_bo_kunmap(gtt_obj[i]);
	125
6f02a696	126	r = amdgpu_copy_buffer(ring, gart_addr, vram_addr,
fc9c8f54	127	size, NULL, &fence, false, false);
d38ceaf9 AD	128
	129	if (r) {
	130	DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
	131	goto out_lclean_unpin;
	132	}
	133
f54d1867	134	r = dma_fence_wait(fence, false);
d38ceaf9 AD	135	if (r) {
	136	DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i);
	137	goto out_lclean_unpin;
	138	}
	139
f54d1867	140	dma_fence_put(fence);
d38ceaf9 AD	141
	142	r = amdgpu_bo_kmap(vram_obj, &vram_map);
	143	if (r) {
	144	DRM_ERROR("Failed to map VRAM object after copy %d\n", i);
	145	goto out_lclean_unpin;
	146	}
	147
6f02a696	148	for (gart_start = gtt_map, gart_end = gtt_map + size,
d38ceaf9 AD	149	vram_start = vram_map, vram_end = vram_map + size;
d38ceaf9 AD	150	vram_start < vram_end;
6f02a696 CK	151	gart_start++, vram_start++) {
6f02a696 CK	152	if (*vram_start != gart_start) {
d38ceaf9 AD	153	DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, "
	154	"expected 0x%p (GTT/VRAM offset "
	155	"0x%16llx/0x%16llx)\n",
6f02a696	156	i, *vram_start, gart_start,
d38ceaf9	157	(unsigned long long)
770d13b1	158	(gart_addr - adev->gmc.gart_start +
6f02a696	159	(void*)gart_start - gtt_map),
d38ceaf9	160	(unsigned long long)
770d13b1	161	(vram_addr - adev->gmc.vram_start +
6f02a696	162	(void*)gart_start - gtt_map));
d38ceaf9 AD	163	amdgpu_bo_kunmap(vram_obj);
	164	goto out_lclean_unpin;
	165	}
	166	*vram_start = vram_start;
	167	}
	168
	169	amdgpu_bo_kunmap(vram_obj);
	170
6f02a696	171	r = amdgpu_copy_buffer(ring, vram_addr, gart_addr,
fc9c8f54	172	size, NULL, &fence, false, false);
d38ceaf9 AD	173
	174	if (r) {
	175	DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
	176	goto out_lclean_unpin;
	177	}
	178
f54d1867	179	r = dma_fence_wait(fence, false);
d38ceaf9 AD	180	if (r) {
	181	DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i);
	182	goto out_lclean_unpin;
	183	}
	184
f54d1867	185	dma_fence_put(fence);
d38ceaf9 AD	186
	187	r = amdgpu_bo_kmap(gtt_obj[i], &gtt_map);
	188	if (r) {
	189	DRM_ERROR("Failed to map GTT object after copy %d\n", i);
	190	goto out_lclean_unpin;
	191	}
	192
6f02a696	193	for (gart_start = gtt_map, gart_end = gtt_map + size,
d38ceaf9	194	vram_start = vram_map, vram_end = vram_map + size;
6f02a696 CK	195	gart_start < gart_end;
	196	gart_start++, vram_start++) {
	197	if (*gart_start != vram_start) {
d38ceaf9 AD	198	DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, "
	199	"expected 0x%p (VRAM/GTT offset "
	200	"0x%16llx/0x%16llx)\n",
6f02a696	201	i, *gart_start, vram_start,
d38ceaf9	202	(unsigned long long)
770d13b1	203	(vram_addr - adev->gmc.vram_start +
d38ceaf9 AD	204	(void*)vram_start - vram_map),
d38ceaf9 AD	205	(unsigned long long)
770d13b1	206	(gart_addr - adev->gmc.gart_start +
d38ceaf9 AD	207	(void*)vram_start - vram_map));
	208	amdgpu_bo_kunmap(gtt_obj[i]);
	209	goto out_lclean_unpin;
	210	}
	211	}
	212
	213	amdgpu_bo_kunmap(gtt_obj[i]);
	214
	215	DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
770d13b1	216	gart_addr - adev->gmc.gart_start);
d38ceaf9 AD	217	continue;
	218
	219	out_lclean_unpin:
	220	amdgpu_bo_unpin(gtt_obj[i]);
	221	out_lclean_unres:
	222	amdgpu_bo_unreserve(gtt_obj[i]);
	223	out_lclean_unref:
	224	amdgpu_bo_unref(&gtt_obj[i]);
	225	out_lclean:
	226	for (--i; i >= 0; --i) {
	227	amdgpu_bo_unpin(gtt_obj[i]);
	228	amdgpu_bo_unreserve(gtt_obj[i]);
	229	amdgpu_bo_unref(&gtt_obj[i]);
	230	}
	231	if (fence)
f54d1867	232	dma_fence_put(fence);
d38ceaf9 AD	233	break;
	234	}
	235
	236	amdgpu_bo_unpin(vram_obj);
	237	out_unres:
	238	amdgpu_bo_unreserve(vram_obj);
	239	out_unref:
	240	amdgpu_bo_unref(&vram_obj);
	241	out_cleanup:
	242	kfree(gtt_obj);
	243	if (r) {
7ca85295	244	pr_warn("Error while testing BO move\n");
d38ceaf9 AD	245	}
	246	}
	247
	248	void amdgpu_test_moves(struct amdgpu_device *adev)
	249	{
	250	if (adev->mman.buffer_funcs)
	251	amdgpu_do_test_moves(adev);
	252	}