drivers/gpu/drm/radeon/radeon_benchmark.c

   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
  29 void radeon_benchmark_move(struct radeon_device *rdev, unsigned bsize,
  30                            unsigned sdomain, unsigned ddomain)
  31 {
  32         struct radeon_bo *dobj = NULL;
  33         struct radeon_bo *sobj = NULL;
  34         struct radeon_fence *fence = NULL;
  35         uint64_t saddr, daddr;
  36         unsigned long start_jiffies;
  37         unsigned long end_jiffies;
  38         unsigned long time;
  39         unsigned i, n, size;
  40         int r;
  41
  42         size = bsize;
  43         n = 1024;
  44         r = radeon_bo_create(rdev, NULL, size, true, sdomain, &sobj);
  45         if (r) {
  46                 goto out_cleanup;
  47         }
  48         r = radeon_bo_reserve(sobj, false);
  49         if (unlikely(r != 0))
  50                 goto out_cleanup;
  51         r = radeon_bo_pin(sobj, sdomain, &saddr);
  52         radeon_bo_unreserve(sobj);
  53         if (r) {
  54                 goto out_cleanup;
  55         }
  56         r = radeon_bo_create(rdev, NULL, size, true, ddomain, &dobj);
  57         if (r) {
  58                 goto out_cleanup;
  59         }
  60         r = radeon_bo_reserve(dobj, false);
  61         if (unlikely(r != 0))
  62                 goto out_cleanup;
  63         r = radeon_bo_pin(dobj, ddomain, &daddr);
  64         radeon_bo_unreserve(dobj);
  65         if (r) {
  66                 goto out_cleanup;
  67         }
  68         start_jiffies = jiffies;
  69         for (i = 0; i < n; i++) {
  70                 r = radeon_fence_create(rdev, &fence);
  71                 if (r) {
  72                         goto out_cleanup;
  73                 }
  74                 r = radeon_copy_dma(rdev, saddr, daddr, size / RADEON_GPU_PAGE_SIZE, fence);
  75                 if (r) {
  76                         goto out_cleanup;
  77                 }
  78                 r = radeon_fence_wait(fence, false);
  79                 if (r) {
  80                         goto out_cleanup;
  81                 }
  82                 radeon_fence_unref(&fence);
  83         }
  84         end_jiffies = jiffies;
  85         time = end_jiffies - start_jiffies;
  86         time = jiffies_to_msecs(time);
  87         if (time > 0) {
  88                 i = ((n * size) >> 10) / time;
  89                 printk(KERN_INFO "radeon: dma %u bo moves of %ukb from %d to %d"
  90                        " in %lums (%ukb/ms %ukb/s %uM/s)\n", n, size >> 10,
  91                        sdomain, ddomain, time, i, i * 1000, (i * 1000) / 1024);
  92         }
  93         start_jiffies = jiffies;
  94         for (i = 0; i < n; i++) {
  95                 r = radeon_fence_create(rdev, &fence);
  96                 if (r) {
  97                         goto out_cleanup;
  98                 }
  99                 r = radeon_copy_blit(rdev, saddr, daddr, size / RADEON_GPU_PAGE_SIZE, fence);
 100                 if (r) {
 101                         goto out_cleanup;
 102                 }
 103                 r = radeon_fence_wait(fence, false);
 104                 if (r) {
 105                         goto out_cleanup;
 106                 }
 107                 radeon_fence_unref(&fence);
 108         }
 109         end_jiffies = jiffies;
 110         time = end_jiffies - start_jiffies;
 111         time = jiffies_to_msecs(time);
 112         if (time > 0) {
 113                 i = ((n * size) >> 10) / time;
 114                 printk(KERN_INFO "radeon: blit %u bo moves of %ukb from %d to %d"
 115                        " in %lums (%ukb/ms %ukb/s %uM/s)\n", n, size >> 10,
 116                        sdomain, ddomain, time, i, i * 1000, (i * 1000) / 1024);
 117         }
 118 out_cleanup:
 119         if (sobj) {
 120                 r = radeon_bo_reserve(sobj, false);
 121                 if (likely(r == 0)) {
 122                         radeon_bo_unpin(sobj);
 123                         radeon_bo_unreserve(sobj);
 124                 }
 125                 radeon_bo_unref(&sobj);
 126         }
 127         if (dobj) {
 128                 r = radeon_bo_reserve(dobj, false);
 129                 if (likely(r == 0)) {
 130                         radeon_bo_unpin(dobj);
 131                         radeon_bo_unreserve(dobj);
 132                 }
 133                 radeon_bo_unref(&dobj);
 134         }
 135         if (fence) {
 136                 radeon_fence_unref(&fence);
 137         }
 138         if (r) {
 139                 printk(KERN_WARNING "Error while benchmarking BO move.\n");
 140         }
 141 }
 142
 143 void radeon_benchmark(struct radeon_device *rdev)
 144 {
 145         radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT,
 146                               RADEON_GEM_DOMAIN_VRAM);
 147         radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
 148                               RADEON_GEM_DOMAIN_GTT);
 149 }