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igt: Report the global GTT size

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For many tests, the relevant aperture is not the ppGTT but the internal
global GTT managed by the kernel. Use this limit appropriately.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2016-02-05 18:35:21 +00:00
parent e85c530eab
commit 391b32c382
9 changed files with 39 additions and 50 deletions
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tests/gem_bad_reloc.c
+1 -18
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@@ -44,23 +44,6 @@ IGT_TEST_DESCRIPTION("Simulates SNA behaviour using negative self-relocations"
#define USE_LUT (1 << 12)
static uint64_t get_page_table_size(int fd)
{
int val = gem_gtt_type(fd);
switch (val) {
case 0:
case 1:
return gem_aperture_size(fd);
case 2:
return 1ULL << 32;
case 3:
return 1ULL << 48;
}
return 0;
}
/* Simulates SNA behaviour using negative self-relocations for
* STATE_BASE_ADDRESS command packets. If they wrap around (to values greater
* than the total size of the GTT), the GPU will hang.
@@ -71,7 +54,7 @@ static int negative_reloc(int fd, unsigned flags)
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[2];
struct drm_i915_gem_relocation_entry gem_reloc[1000];
uint64_t gtt_max = get_page_table_size(fd);
uint64_t gtt_max = gem_aperture_size(fd);
uint32_t buf[1024] = {MI_BATCH_BUFFER_END};
int i;