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tests/gem_largeobject: accomodate for puny apertures

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... like on my i855gm.

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2011-11-01 11:52:53 +01:00
parent 7c8d41f4d9
commit 6b4f5c7ad8
1 changed files with 21 additions and 2 deletions
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23
tests/gem_largeobject.c
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@ -43,19 +43,38 @@
unsigned char data[OBJ_SIZE];
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 void
test_large_object(int fd)
{
struct drm_i915_gem_create create;
struct drm_i915_gem_pwrite pwrite;
struct drm_i915_gem_pin pin;
uint32_t obj_size;
int ret;
memset(&create, 0, sizeof(create));
memset(&pwrite, 0, sizeof(pwrite));
memset(&pin, 0, sizeof(pin));
create.size = OBJ_SIZE;
if (gem_aperture_size(fd)*3/4 < OBJ_SIZE/2)
obj_size = OBJ_SIZE / 4;
else if (gem_aperture_size(fd)*3/4 < OBJ_SIZE)
obj_size = OBJ_SIZE / 2;
else
obj_size = OBJ_SIZE;
create.size = obj_size;
printf("obj size %i\n", obj_size);
ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
if (ret) {
fprintf(stderr, "object creation failed: %s\n",
@ -72,7 +91,7 @@ test_large_object(int fd)
}
pwrite.handle = create.handle;
pwrite.size = OBJ_SIZE;
pwrite.size = obj_size;
pwrite.data_ptr = (uint64_t)data;
ret = ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite);