For BDW+, there BATCH_BUFFER_START is 3 * 32bits in length and
length needs to be encoded into the opcode.
Suggested-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
---
tests/gem_reset_stats.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/tests/gem_reset_stats.c b/tests/gem_reset_stats.c
index 07dfac4..a7497f3 100644
--- a/tests/gem_reset_stats.c
+++ b/tests/gem_reset_stats.c
@@ -202,9 +202,13 @@ static int inject_hang(int fd, int ctx)
uint64_t gtt_off;
uint32_t *buf;
int roff, i;
+ unsigned cmd_len = 2;
srandom(time(NULL));
+ if (intel_gen(intel_get_drm_devid(fd)) >= 8)
+ cmd_len = 3;
+
buf = malloc(BUFSIZE);
igt_assert(buf != NULL);
@@ -240,9 +244,11 @@ static int inject_hang(int fd, int ctx)
for (i = 0; i < ITEMS; i++)
buf[i] = MI_NOOP;
- roff = random() % (ITEMS - 2);
- buf[roff] = MI_BATCH_BUFFER_START;
- buf[roff + 1] = gtt_off + (roff << 2);
+ roff = random() % (ITEMS - cmd_len);
+ buf[roff] = MI_BATCH_BUFFER_START | (cmd_len - 2);
+ buf[roff + 1] = (gtt_off & 0xfffffffc) + (roff << 2);
+ if (cmd_len == 3)
+ buf[roff + 2] = gtt_off & 0xffffffff00000000ull;
#ifdef VERBOSE
printf("loop injected at 0x%lx (off 0x%x, bo_start 0x%lx, bo_end 0x%lx)\n",
--
1.7.9.5
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