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igt/gem_concurrent_blit: Only read back a few GTT values

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Due to the nature of the test, we can be reasonably sure that it is
either all copied or not. So we can sacrificing testing the entire
buffer for the expected value in order to speed up the test by only
testing along the diagonal.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84354
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-09-26 07:55:49 +01:00
parent 3205a9167f
commit 3e766b8255
1 changed files with 6 additions and 7 deletions
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13
tests/gem_concurrent_blit.c
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@ -104,11 +104,10 @@ unmapped_create_bo(drm_intel_bufmgr *bufmgr, int width, int height)
static void
gtt_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
{
uint32_t *vaddr = bo->virtual;
int size = width * height;
uint32_t *vaddr;
drm_intel_gem_bo_start_gtt_access(bo, true);
vaddr = bo->virtual;
while (size--)
*vaddr++ = val;
}
@ -116,13 +115,13 @@ gtt_set_bo(drm_intel_bo *bo, uint32_t val, int width, int height)
static void
gtt_cmp_bo(drm_intel_bo *bo, uint32_t val, int width, int height, drm_intel_bo *tmp)
{
int size = width * height;
uint32_t *vaddr;
uint32_t *vaddr = bo->virtual;
int y;
/* GTT access is slow. So we just compare a few points */
drm_intel_gem_bo_start_gtt_access(bo, false);
vaddr = bo->virtual;
while (size--)
igt_assert_eq_u32(*vaddr++, val);
for (y = 0; y < height; y++)
igt_assert_eq_u32(vaddr[y*width+y], val);
}
static drm_intel_bo *