From: "Xiang, Haihao" <[email protected]>
Signed-off-by: Xiang, Haihao <[email protected]>
---
tests/gem_ring_sync_loop.c | 37 ++++++++++++++++++++++++++++++++++---
1 file changed, 34 insertions(+), 3 deletions(-)
diff --git a/tests/gem_ring_sync_loop.c b/tests/gem_ring_sync_loop.c
index b689bcd..2875cf3 100644
--- a/tests/gem_ring_sync_loop.c
+++ b/tests/gem_ring_sync_loop.c
@@ -55,15 +55,46 @@ static drm_intel_bo *target_buffer;
#define MI_COND_BATCH_BUFFER_END (0x36<<23 | 1)
#define MI_DO_COMPARE (1<<21)
+static int
+get_num_rings(int fd)
+{
+ int num_rings = 1; /* render ring is always available */
+ drm_i915_getparam_t gp;
+ int ret, tmp;
+
+ memset(&gp, 0, sizeof(gp));
+ gp.value = &tmp;
+
+ gp.param = I915_PARAM_HAS_BSD;
+ ret = drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+
+ if ((ret == 0) & (*gp.value > 0))
+ num_rings++;
+ else
+ goto skip;
+
+ gp.param = I915_PARAM_HAS_BLT;
+ ret = drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+
+ if ((ret == 0) & (*gp.value > 0))
+ num_rings++;
+ else
+ goto skip;
+
+skip:
+ return num_rings;
+}
+
static void
-store_dword_loop(void)
+store_dword_loop(int fd)
{
int i;
+ int num_rings = get_num_rings(fd);
srandom(0xdeadbeef);
for (i = 0; i < 0x100000; i++) {
- int ring = random() % 3 + 1;
+ int ring = random() % num_rings + 1;
if (ring == I915_EXEC_RENDER) {
BEGIN_BATCH(4);
@@ -127,7 +158,7 @@ int main(int argc, char **argv)
exit(-1);
}
- store_dword_loop();
+ store_dword_loop(fd);
drm_intel_bo_unreference(target_buffer);
intel_batchbuffer_free(batch);
--
1.7.9.5
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