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path: root/drivers/gpu/drm/radeon/radeon_benchmark.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_benchmark.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_benchmark.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c
new file mode 100644
index 000000000000..c44403a2ca76
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -0,0 +1,133 @@
+/*
+ * 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"
+
+void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize,
+ unsigned sdomain, unsigned ddomain)
+{
+ struct radeon_object *dobj = NULL;
+ struct radeon_object *sobj = NULL;
+ struct radeon_fence *fence = NULL;
+ uint64_t saddr, daddr;
+ unsigned long start_jiffies;
+ unsigned long end_jiffies;
+ unsigned long time;
+ unsigned i, n, size;
+ int r;
+
+ size = bsize;
+ n = 1024;
+ r = radeon_object_create(rdev, NULL, size, true, sdomain, false, &sobj);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_object_pin(sobj, sdomain, &saddr);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_object_create(rdev, NULL, size, true, ddomain, false, &dobj);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_object_pin(dobj, ddomain, &daddr);
+ if (r) {
+ goto out_cleanup;
+ }
+ start_jiffies = jiffies;
+ for (i = 0; i < n; i++) {
+ r = radeon_fence_create(rdev, &fence);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_copy_dma(rdev, saddr, daddr, size >> 14, fence);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_fence_wait(fence, false);
+ if (r) {
+ goto out_cleanup;
+ }
+ radeon_fence_unref(&fence);
+ }
+ end_jiffies = jiffies;
+ time = end_jiffies - start_jiffies;
+ time = jiffies_to_msecs(time);
+ if (time > 0) {
+ i = ((n * size) >> 10) / time;
+ printk(KERN_INFO "radeon: dma %u bo moves of %ukb from %d to %d"
+ " in %lums (%ukb/ms %ukb/s %uM/s)\n", n, size >> 10,
+ sdomain, ddomain, time, i, i * 1000, (i * 1000) / 1024);
+ }
+ start_jiffies = jiffies;
+ for (i = 0; i < n; i++) {
+ r = radeon_fence_create(rdev, &fence);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_copy_blit(rdev, saddr, daddr, size >> 14, fence);
+ if (r) {
+ goto out_cleanup;
+ }
+ r = radeon_fence_wait(fence, false);
+ if (r) {
+ goto out_cleanup;
+ }
+ radeon_fence_unref(&fence);
+ }
+ end_jiffies = jiffies;
+ time = end_jiffies - start_jiffies;
+ time = jiffies_to_msecs(time);
+ if (time > 0) {
+ i = ((n * size) >> 10) / time;
+ printk(KERN_INFO "radeon: blit %u bo moves of %ukb from %d to %d"
+ " in %lums (%ukb/ms %ukb/s %uM/s)\n", n, size >> 10,
+ sdomain, ddomain, time, i, i * 1000, (i * 1000) / 1024);
+ }
+out_cleanup:
+ if (sobj) {
+ radeon_object_unpin(sobj);
+ radeon_object_unref(&sobj);
+ }
+ if (dobj) {
+ radeon_object_unpin(dobj);
+ radeon_object_unref(&dobj);
+ }
+ if (fence) {
+ radeon_fence_unref(&fence);
+ }
+ if (r) {
+ printk(KERN_WARNING "Error while benchmarking BO move.\n");
+ }
+}
+
+void radeon_benchmark(struct radeon_device *rdev)
+{
+ 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);
+}