+++ /dev/null
-/*
- * Copyright © 2009,2011 Intel Corporation
- *
- * 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 (including the next
- * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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:
- * Eric Anholt <eric@anholt.net>
- * Chris Wilson <chris@chris-wilson.co.uk>
- *
- */
-
-/** @file gem_vmap_blits.c
- *
- * This is a test of doing many blits using a mixture of normal system pages
- * and uncached linear buffers, with a working set larger than the
- * aperture size.
- *
- * The goal is to simply ensure the basics work.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-
-#include "drm.h"
-#include "ioctl_wrappers.h"
-#include "drmtest.h"
-#include "intel_bufmgr.h"
-#include "intel_batchbuffer.h"
-#include "intel_io.h"
-
-#if !defined(I915_PARAM_HAS_VMAP)
-#pragma message("No vmap support in drm, skipping")
-int main(int argc, char **argv)
-{
- fprintf(stderr, "No vmap support in drm.\n");
- return 77;
-}
-#else
-
-#define WIDTH 512
-#define HEIGHT 512
-
-static uint32_t linear[WIDTH*HEIGHT];
-
-static uint32_t gem_vmap(int fd, void *ptr, int size, int read_only)
-{
- struct drm_i915_gem_vmap vmap;
-
- vmap.user_ptr = (uintptr_t)ptr;
- vmap.user_size = size;
- vmap.flags = 0;
- if (read_only)
- vmap.flags |= I915_VMAP_READ_ONLY;
-
- if (drmIoctl(fd, DRM_IOCTL_I915_GEM_VMAP, &vmap))
- return 0;
-
- return vmap.handle;
-}
-
-
-static void gem_vmap_sync(int fd, uint32_t handle)
-{
- gem_set_domain(fd, handle, I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
-}
-
-static void
-copy(int fd, uint32_t dst, uint32_t src)
-{
- uint32_t batch[10];
- struct drm_i915_gem_relocation_entry reloc[2];
- struct drm_i915_gem_exec_object2 obj[3];
- struct drm_i915_gem_execbuffer2 exec;
- uint32_t handle;
- int ret;
-
- batch[0] = XY_SRC_COPY_BLT_CMD |
- XY_SRC_COPY_BLT_WRITE_ALPHA |
- XY_SRC_COPY_BLT_WRITE_RGB | 6;
- batch[1] = (3 << 24) | /* 32 bits */
- (0xcc << 16) | /* copy ROP */
- WIDTH*4;
- batch[2] = 0; /* dst x1,y1 */
- batch[3] = (HEIGHT << 16) | WIDTH; /* dst x2,y2 */
- batch[4] = 0; /* dst reloc */
- batch[5] = 0; /* src x1,y1 */
- batch[6] = WIDTH*4;
- batch[7] = 0; /* src reloc */
- batch[8] = MI_BATCH_BUFFER_END;
- batch[9] = MI_NOOP;
-
- handle = gem_create(fd, 4096);
- gem_write(fd, handle, 0, batch, sizeof(batch));
-
- reloc[0].target_handle = dst;
- reloc[0].delta = 0;
- reloc[0].offset = 4 * sizeof(batch[0]);
- reloc[0].presumed_offset = 0;
- reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;;
- reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
-
- reloc[1].target_handle = src;
- reloc[1].delta = 0;
- reloc[1].offset = 7 * sizeof(batch[0]);
- reloc[1].presumed_offset = 0;
- reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;;
- reloc[1].write_domain = 0;
-
- obj[0].handle = dst;
- obj[0].relocation_count = 0;
- obj[0].relocs_ptr = 0;
- obj[0].alignment = 0;
- obj[0].offset = 0;
- obj[0].flags = 0;
- obj[0].rsvd1 = 0;
- obj[0].rsvd2 = 0;
-
- obj[1].handle = src;
- obj[1].relocation_count = 0;
- obj[1].relocs_ptr = 0;
- obj[1].alignment = 0;
- obj[1].offset = 0;
- obj[1].flags = 0;
- obj[1].rsvd1 = 0;
- obj[1].rsvd2 = 0;
-
- obj[2].handle = handle;
- obj[2].relocation_count = 2;
- obj[2].relocs_ptr = (uintptr_t)reloc;
- obj[2].alignment = 0;
- obj[2].offset = 0;
- obj[2].flags = 0;
- obj[2].rsvd1 = obj[2].rsvd2 = 0;
-
- exec.buffers_ptr = (uintptr_t)obj;
- exec.buffer_count = 3;
- exec.batch_start_offset = 0;
- exec.batch_len = sizeof(batch);
- exec.DR1 = exec.DR4 = 0;
- exec.num_cliprects = 0;
- exec.cliprects_ptr = 0;
- exec.flags = HAS_BLT_RING(intel_get_drm_devid(fd)) ? I915_EXEC_BLT : 0;
- exec.rsvd1 = exec.rsvd2 = 0;
-
- ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
- while (ret && errno == EBUSY) {
- drmCommandNone(fd, DRM_I915_GEM_THROTTLE);
- ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
- }
- igt_assert(ret == 0);
-
- gem_close(fd, handle);
-}
-
-static uint32_t
-create_vmap(int fd, uint32_t val, uint32_t *ptr)
-{
- uint32_t handle;
- int i;
-
- handle = gem_vmap(fd, ptr, sizeof(linear), 0);
-
- /* Fill the BO with dwords starting at val */
- for (i = 0; i < WIDTH*HEIGHT; i++)
- ptr[i] = val++;
-
- return handle;
-}
-
-static uint32_t
-create_bo(int fd, uint32_t val)
-{
- uint32_t handle;
- int i;
-
- handle = gem_create(fd, sizeof(linear));
-
- /* Fill the BO with dwords starting at val */
- for (i = 0; i < WIDTH*HEIGHT; i++)
- linear[i] = val++;
- gem_write(fd, handle, 0, linear, sizeof(linear));
-
- return handle;
-}
-
-static void
-check_cpu(uint32_t *ptr, uint32_t val)
-{
- int i;
-
- for (i = 0; i < WIDTH*HEIGHT; i++) {
- if (ptr[i] != val) {
- fprintf(stderr, "Expected 0x%08x, found 0x%08x "
- "at offset 0x%08x\n",
- val, ptr[i], i * 4);
- abort();
- }
- val++;
- }
-}
-
-static void
-check_gpu(int fd, uint32_t handle, uint32_t val)
-{
- gem_read(fd, handle, 0, linear, sizeof(linear));
- check_cpu(linear, val);
-}
-
-static int has_vmap(int fd)
-{
- drm_i915_getparam_t gp;
- int i;
-
- gp.param = I915_PARAM_HAS_VMAP;
- gp.value = &i;
-
- return drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp) == 0 && i > 0;
-}
-
-int main(int argc, char **argv)
-{
- uint32_t *memory;
- uint32_t *cpu, *cpu_val;
- uint32_t *gpu, *gpu_val;
- uint32_t start = 0;
- int i, fd, count;
-
- igt_simple_init();
-
- igt_skip_on_simulation();
-
- fd = drm_open_any();
-
- if (!has_vmap(fd)) {
- fprintf(stderr, "No vmap support, ignoring.\n");
- return 77;
- }
-
- count = 0;
- if (argc > 1)
- count = atoi(argv[1]);
- if (count == 0)
- count = 3 * gem_aperture_size(fd) / (1024*1024) / 4;
- printf("Using 2x%d 1MiB buffers\n", count);
-
- memory = malloc(count*sizeof(linear));
- if (memory == NULL) {
- fprintf(stderr, "Unable to allocate %lld bytes\n",
- (long long)count*sizeof(linear));
- return 1;
- }
-
- gpu = malloc(sizeof(uint32_t)*count*4);
- gpu_val = gpu + count;
- cpu = gpu_val + count;
- cpu_val = cpu + count;
-
- for (i = 0; i < count; i++) {
- gpu[i] = create_bo(fd, start);
- gpu_val[i] = start;
- start += WIDTH*HEIGHT;
- }
-
- for (i = 0; i < count; i++) {
- cpu[i] = create_vmap(fd, start, memory+i*WIDTH*HEIGHT);
- cpu_val[i] = start;
- start += WIDTH*HEIGHT;;
- }
-
- printf("Verifying initialisation...\n");
- for (i = 0; i < count; i++) {
- check_gpu(fd, gpu[i], gpu_val[i]);
- check_cpu(memory+i*WIDTH*HEIGHT, cpu_val[i]);
- }
-
- printf("Cyclic blits cpu->gpu, forward...\n");
- for (i = 0; i < count * 4; i++) {
- int src = i % count;
- int dst = (i + 1) % count;
-
- copy(fd, gpu[dst], cpu[src]);
- gpu_val[dst] = cpu_val[src];
- }
- for (i = 0; i < count; i++)
- check_gpu(fd, gpu[i], gpu_val[i]);
-
- printf("Cyclic blits gpu->cpu, backward...\n");
- for (i = 0; i < count * 4; i++) {
- int src = (i + 1) % count;
- int dst = i % count;
-
- copy(fd, cpu[dst], gpu[src]);
- cpu_val[dst] = gpu_val[src];
- }
- for (i = 0; i < count; i++) {
- gem_vmap_sync(fd, cpu[i]);
- check_cpu(memory+i*WIDTH*HEIGHT, cpu_val[i]);
- }
-
- printf("Random blits...\n");
- for (i = 0; i < count * 4; i++) {
- int src = random() % count;
- int dst = random() % count;
-
- if (random() & 1) {
- copy(fd, gpu[dst], cpu[src]);
- gpu_val[dst] = cpu_val[src];
- } else {
- copy(fd, cpu[dst], gpu[src]);
- cpu_val[dst] = gpu_val[src];
- }
- }
- for (i = 0; i < count; i++) {
- check_gpu(fd, gpu[i], gpu_val[i]);
- gem_vmap_sync(fd, cpu[i]);
- check_cpu(memory+i*WIDTH*HEIGHT, cpu_val[i]);
- }
-
- return 0;
-}
-
-#endif
projects / platform / upstream / intel-gpu-tools.git / commitdiff