The only thing the kernel can do is pin the buffers, which essentially
means no swapped tiled objects.
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
tests/gem_tiled_swapping.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/tests/gem_tiled_swapping.c b/tests/gem_tiled_swapping.c
index 69d1cfae94d2..0839df00151e 100644
--- a/tests/gem_tiled_swapping.c
+++ b/tests/gem_tiled_swapping.c
@@ -61,6 +61,7 @@
#include "drmtest.h"
#include "intel_io.h"
#include "igt_aux.h"
+#include "igt_debugfs.h"
#define WIDTH 512
#define HEIGHT 512
@@ -143,6 +144,25 @@ static void thread_fini(struct thread *t)
free(t->idx_arr);
}
+static void check_memory_layout(void)
+{
+ FILE *tiling_debugfs_file;
+ char *line = NULL;
+ size_t sz = 0;
+
+ tiling_debugfs_file = igt_debugfs_fopen("i915_swizzle_info", "r");
+ igt_assert(tiling_debugfs_file);
+
+ while (getline(&line, &sz, tiling_debugfs_file) > 0) {
+ if (strstr(line, "L-shaped") != 0)
+ continue;
+
+ igt_skip("L-shaped memory configuration detected\n");
+ }
+
+ igt_debug("normal memory configuration detected, continuing\n");
+}
+
igt_simple_main
{
struct thread *threads;
@@ -162,6 +182,8 @@ igt_simple_main
threads = calloc(num_threads, sizeof(struct thread));
igt_assert(threads);
+ check_memory_layout();
+
igt_log(IGT_LOG_INFO,
"Using %d 1MiB objects (available RAM: %ld/%ld, swap: %ld)\n",
count,
--
1.8.4.rc3
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