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-rw-r--r--lib/igt_gt.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index e630550b..799ca1ae 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -276,6 +276,7 @@ igt_hang_t igt_hang_ctx(int fd,
uint32_t b[16];
unsigned ban;
unsigned len;
+ int gen;
igt_require_hang_ring(fd, ring);
@@ -310,12 +311,26 @@ igt_hang_t igt_hang_ctx(int fd,
memset(b, 0xc5, sizeof(b));
- len = 2;
- if (intel_gen(intel_get_drm_devid(fd)) >= 8)
+ len = 0;
+ gen = intel_gen(intel_get_drm_devid(fd));
+ if (gen >= 8) {
+ b[len++] = MI_BATCH_BUFFER_START | 1 << 8 | 1;
+ b[len++] = 0;
+ b[len++] = 0;
+ } else if (gen >= 6) {
+ b[len++] = MI_BATCH_BUFFER_START | 1 << 8;
+ b[len++] = 0;
+ } else {
+ b[len++] = MI_BATCH_BUFFER_START | 2 << 6;
+ b[len] = 0;
+ if (gen < 4) {
+ b[len] |= 1;
+ reloc.delta = 1;
+ }
len++;
- b[0] = MI_BATCH_BUFFER_START | (len - 2);
- b[len] = MI_BATCH_BUFFER_END;
- b[len+1] = MI_NOOP;
+ }
+ b[len++] = MI_BATCH_BUFFER_END;
+ b[len] = MI_NOOP;
gem_write(fd, exec.handle, 0, b, sizeof(b));
reloc.offset = sizeof(uint32_t);
@@ -364,8 +379,7 @@ void igt_post_hang_ring(int fd, igt_hang_t arg)
if (arg.handle == 0)
return;
- gem_set_domain(fd, arg.handle,
- I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
+ gem_sync(fd, arg.handle);
gem_close(fd, arg.handle);
context_set_ban(fd, arg.ctx, arg.ban);