Michal wants to limit machines that can do preemption, which means that
we no longer can assume that if we have a scheduler for execbuf, that
implies we have preemption.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
tests/gem_exec_schedule.c | 35 +++++++++++++++++++++++++++--------
1 file changed, 27 insertions(+), 8 deletions(-)
diff --git a/tests/gem_exec_schedule.c b/tests/gem_exec_schedule.c
index 0b1925f1..377f8a88 100644
--- a/tests/gem_exec_schedule.c
+++ b/tests/gem_exec_schedule.c
@@ -33,6 +33,7 @@
#include "igt_sysfs.h"
#define LOCAL_PARAM_HAS_SCHEDULER 41
+#define LOCAL_PARAM_HAS_PREEMPTION 50
#define LOCAL_CONTEXT_PARAM_PRIORITY 6
#define LO 0
@@ -878,6 +879,18 @@ static bool has_scheduler(int fd)
return has > 0;
}
+static bool has_preemption(int fd)
+{
+ drm_i915_getparam_t gp;
+ int has = -1;
+
+ gp.param = LOCAL_PARAM_HAS_PREEMPTION;
+ gp.value = &has;
+ drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+
+ return has > 0;
+}
+
#define HAVE_EXECLISTS 0x1
#define HAVE_GUC 0x2
static unsigned print_welcome(int fd)
@@ -969,17 +982,23 @@ igt_main
igt_subtest_f("promotion-%s", e->name)
promotion(fd, e->exec_id | e->flags);
- igt_subtest_f("preempt-%s", e->name)
- preempt(fd, e->exec_id | e->flags, 0);
+ igt_subtest_group {
+ igt_fixture {
+ igt_require(has_preemption(fd));
+ }
+
+ igt_subtest_f("preempt-%s", e->name)
+ preempt(fd, e->exec_id | e->flags, 0);
- igt_subtest_f("preempt-contexts-%s", e->name)
- preempt(fd, e->exec_id | e->flags, NEW_CTX);
+ igt_subtest_f("preempt-contexts-%s", e->name)
+ preempt(fd, e->exec_id | e->flags, NEW_CTX);
- igt_subtest_f("preempt-other-%s", e->name)
- preempt_other(fd, e->exec_id | e->flags);
+ igt_subtest_f("preempt-other-%s", e->name)
+ preempt_other(fd, e->exec_id | e->flags);
- igt_subtest_f("preempt-self-%s", e->name)
- preempt_self(fd, e->exec_id | e->flags);
+ igt_subtest_f("preempt-self-%s", e->name)
+ preempt_self(fd, e->exec_id | e->flags);
+ }
igt_subtest_f("deep-%s", e->name)
deep(fd, e->exec_id | e->flags);
--
2.14.1
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