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Exercise the whole aperture with tiled blits

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After full-gtt, gem_tiled_blits doesn't allocate enough to force
eviction. So query the total aperture and accommodate.

Also introduce a similar test that utilizes fences rather than
use the BLT to perform the tiling and detiling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2011-02-01 10:53:57 +00:00
parent 5fc09c82d4
commit 371f87f2d8
6 changed files with 249 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/gem_tiled_blits.c
+24 -13
View File
@@ -61,6 +61,16 @@ static drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
static int width = 512, height = 512;
static uint64_t
gem_aperture_size(int fd)
{
struct drm_i915_gem_get_aperture aperture;
aperture.aper_size = 512*1024*1024;
(void)drmIoctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture);
return aperture.aper_size;
}
static drm_intel_bo *
create_bo(uint32_t start_val)
{
@@ -79,10 +89,8 @@ create_bo(uint32_t start_val)
/* Fill the BO with dwords starting at start_val */
drm_intel_bo_map(linear_bo, 1);
linear = linear_bo->virtual;
for (i = 0; i < 1024 * 1024 / 4; i++) {
for (i = 0; i < 1024 * 1024 / 4; i++)
linear[i] = start_val++;
}
drm_intel_bo_unmap(linear_bo);
intel_copy_bo (batch, bo, linear_bo, width, height);
@@ -122,20 +130,23 @@ check_bo(drm_intel_bo *bo, uint32_t start_val)
int main(int argc, char **argv)
{
int fd;
int bo_count = 768; /* 768MB of objects */
drm_intel_bo *bo[bo_count];
uint32_t bo_start_val[bo_count];
drm_intel_bo *bo[4096];
uint32_t bo_start_val[4096];
uint32_t start = 0;
int i;
int i, fd, count;
fd = drm_open_any();
count = 3 * gem_aperture_size(fd) / (1024*1024) / 2;
count += (count & 1) == 0;
printf("Using %d 1MiB buffers\n", count);
assert(count <= 4096);
bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
drm_intel_bufmgr_gem_enable_reuse(bufmgr);
batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
for (i = 0; i < bo_count; i++) {
for (i = 0; i < count; i++) {
bo[i] = create_bo(start);
bo_start_val[i] = start;
@@ -147,9 +158,9 @@ int main(int argc, char **argv)
start += 1024 * 1024 / 4;
}
for (i = 0; i < bo_count * 4; i++) {
int src = random() % bo_count;
int dst = random() % bo_count;
for (i = 0; i < count * 4; i++) {
int src = random() % count;
int dst = random() % count;
if (src == dst)
continue;
@@ -163,7 +174,7 @@ int main(int argc, char **argv)
*/
}
for (i = 0; i < bo_count; i++) {
for (i = 0; i < count; i++) {
/*
printf("check %d\n", i);
*/