Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 260 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
new file mode 100644
index 000000000..edc6377ec
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
@@ -0,0 +1,260 @@
+/*
+ * 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/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, s64 *time_ms)
+{
+	ktime_t stime, etime;
+	struct dma_fence *fence;
+	int i, r;
+
+	stime = ktime_get();
+	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, false, false);
+		if (r)
+			goto exit_do_move;
+		r = dma_fence_wait(fence, false);
+		dma_fence_put(fence);
+		if (r)
+			goto exit_do_move;
+	}
+
+exit_do_move:
+	etime = ktime_get();
+	*time_ms = ktime_ms_delta(etime, stime);
+
+	return r;
+}
+
+
+static void amdgpu_benchmark_log_results(struct amdgpu_device *adev,
+					 int n, unsigned size,
+					 s64 time_ms,
+					 unsigned sdomain, unsigned ddomain,
+					 char *kind)
+{
+	s64 throughput = (n * (size >> 10));
+
+	throughput = div64_s64(throughput, time_ms);
+
+	dev_info(adev->dev, "amdgpu: %s %u bo moves of %u kB from"
+		 " %d to %d in %lld ms, throughput: %lld Mb/s or %lld MB/s\n",
+		 kind, n, size >> 10, sdomain, ddomain, time_ms,
+		 throughput * 8, throughput);
+}
+
+static int 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;
+	s64 time_ms;
+	int r, n;
+
+	n = AMDGPU_BENCHMARK_ITERATIONS;
+
+	r = amdgpu_bo_create_kernel(adev, size,
+				    PAGE_SIZE, sdomain,
+				    &sobj,
+				    &saddr,
+				    NULL);
+	if (r)
+		goto out_cleanup;
+	r = amdgpu_bo_create_kernel(adev, size,
+				    PAGE_SIZE, ddomain,
+				    &dobj,
+				    &daddr,
+				    NULL);
+	if (r)
+		goto out_cleanup;
+
+	if (adev->mman.buffer_funcs) {
+		r = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n, &time_ms);
+		if (r)
+			goto out_cleanup;
+		else
+			amdgpu_benchmark_log_results(adev, n, size, time_ms,
+						     sdomain, ddomain, "dma");
+	}
+
+out_cleanup:
+	/* Check error value now. The value can be overwritten when clean up.*/
+	if (r < 0)
+		dev_info(adev->dev, "Error while benchmarking BO move.\n");
+
+	if (sobj)
+		amdgpu_bo_free_kernel(&sobj, &saddr, NULL);
+	if (dobj)
+		amdgpu_bo_free_kernel(&dobj, &daddr, NULL);
+	return r;
+}
+
+int amdgpu_benchmark(struct amdgpu_device *adev, int test_number)
+{
+	int i, r;
+	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
+	};
+
+	mutex_lock(&adev->benchmark_mutex);
+	switch (test_number) {
+	case 1:
+		dev_info(adev->dev,
+			 "benchmark test: %d (simple test, VRAM to GTT and GTT to VRAM)\n",
+			 test_number);
+		/* simple test, VRAM to GTT and GTT to VRAM */
+		r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT,
+					  AMDGPU_GEM_DOMAIN_VRAM);
+		if (r)
+			goto done;
+		r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
+					  AMDGPU_GEM_DOMAIN_GTT);
+		if (r)
+			goto done;
+		break;
+	case 2:
+		dev_info(adev->dev,
+			 "benchmark test: %d (simple test, VRAM to VRAM)\n",
+			 test_number);
+		/* simple test, VRAM to VRAM */
+		r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM,
+					  AMDGPU_GEM_DOMAIN_VRAM);
+		if (r)
+			goto done;
+		break;
+	case 3:
+		dev_info(adev->dev,
+			 "benchmark test: %d (GTT to VRAM, buffer size sweep, powers of 2)\n",
+			 test_number);
+		/* GTT to VRAM, buffer size sweep, powers of 2 */
+		for (i = 1; i <= 16384; i <<= 1) {
+			r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
+						  AMDGPU_GEM_DOMAIN_GTT,
+						  AMDGPU_GEM_DOMAIN_VRAM);
+			if (r)
+				goto done;
+		}
+		break;
+	case 4:
+		dev_info(adev->dev,
+			 "benchmark test: %d (VRAM to GTT, buffer size sweep, powers of 2)\n",
+			 test_number);
+		/* VRAM to GTT, buffer size sweep, powers of 2 */
+		for (i = 1; i <= 16384; i <<= 1) {
+			r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
+						  AMDGPU_GEM_DOMAIN_VRAM,
+						  AMDGPU_GEM_DOMAIN_GTT);
+			if (r)
+				goto done;
+		}
+		break;
+	case 5:
+		dev_info(adev->dev,
+			 "benchmark test: %d (VRAM to VRAM, buffer size sweep, powers of 2)\n",
+			 test_number);
+		/* VRAM to VRAM, buffer size sweep, powers of 2 */
+		for (i = 1; i <= 16384; i <<= 1) {
+			r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE,
+						  AMDGPU_GEM_DOMAIN_VRAM,
+						  AMDGPU_GEM_DOMAIN_VRAM);
+			if (r)
+				goto done;
+		}
+		break;
+	case 6:
+		dev_info(adev->dev,
+			 "benchmark test: %d (GTT to VRAM, buffer size sweep, common modes)\n",
+			 test_number);
+		/* GTT to VRAM, buffer size sweep, common modes */
+		for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
+			r = amdgpu_benchmark_move(adev, common_modes[i],
+						  AMDGPU_GEM_DOMAIN_GTT,
+						  AMDGPU_GEM_DOMAIN_VRAM);
+			if (r)
+				goto done;
+		}
+		break;
+	case 7:
+		dev_info(adev->dev,
+			 "benchmark test: %d (VRAM to GTT, buffer size sweep, common modes)\n",
+			 test_number);
+		/* VRAM to GTT, buffer size sweep, common modes */
+		for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
+			r = amdgpu_benchmark_move(adev, common_modes[i],
+						  AMDGPU_GEM_DOMAIN_VRAM,
+						  AMDGPU_GEM_DOMAIN_GTT);
+			if (r)
+				goto done;
+		}
+		break;
+	case 8:
+		dev_info(adev->dev,
+			 "benchmark test: %d (VRAM to VRAM, buffer size sweep, common modes)\n",
+			 test_number);
+		/* VRAM to VRAM, buffer size sweep, common modes */
+		for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) {
+			r = amdgpu_benchmark_move(adev, common_modes[i],
+					      AMDGPU_GEM_DOMAIN_VRAM,
+					      AMDGPU_GEM_DOMAIN_VRAM);
+			if (r)
+				goto done;
+		}
+		break;
+
+	default:
+		dev_info(adev->dev, "Unknown benchmark %d\n", test_number);
+		r = -EINVAL;
+		break;
+	}
+
+done:
+	mutex_unlock(&adev->benchmark_mutex);
+
+	return r;
+}