Commit 51d069e0 authored by Chris Wilson's avatar Chris Wilson

igt/gem_ctx_exec: Exercise I915_CONTEXT_PARAM_RECOVERABLE

When RECOVERABLE is set, the kernel will attempt to automatically recover
a context after a hang. But if it is unset, the kernel will ban the
guilty context on a hang, preventing subsequent execution.

v2: Create a has_recoverable_param()
Signed-off-by: Chris Wilson's avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
parent f402cc58
Pipeline #19770 passed with stages
in 15 minutes and 53 seconds
......@@ -147,6 +147,51 @@ static void invalid_context(int fd, unsigned ring, uint32_t handle)
igt_assert_eq(__gem_execbuf(fd, &execbuf), -ENOENT);
}
static bool has_recoverable_param(int i915)
{
struct drm_i915_gem_context_param param = {
.param = I915_CONTEXT_PARAM_RECOVERABLE
};
return __gem_context_get_param(i915, &param) == 0;
}
static void norecovery(int i915)
{
igt_require(has_recoverable_param(i915));
for (int pass = 1; pass >= 0; pass--) {
struct drm_i915_gem_context_param param = {
.ctx_id = gem_context_create(i915),
.param = I915_CONTEXT_PARAM_RECOVERABLE,
.value = pass,
};
int expect = pass == 0 ? -EIO : 0;
igt_spin_t *spin;
gem_context_set_param(i915, &param);
param.value = !pass;
gem_context_get_param(i915, &param);
igt_assert_eq(param.value, pass);
spin = __igt_spin_batch_new(i915,
.ctx = param.ctx_id,
.flags = IGT_SPIN_POLL_RUN);
igt_assert(spin->running);
while (!READ_ONCE(*spin->running))
;
igt_force_gpu_reset(i915);
igt_spin_batch_end(spin);
igt_assert_eq(__gem_execbuf(i915, &spin->execbuf), expect);
igt_spin_batch_free(i915, spin);
gem_context_destroy(i915, param.ctx_id);
}
}
igt_main
{
const uint32_t batch[2] = { 0, MI_BATCH_BUFFER_END };
......@@ -190,6 +235,9 @@ igt_main
igt_subtest("eviction")
big_exec(fd, handle, 0);
igt_subtest("basic-norecovery")
norecovery(fd);
igt_subtest("reset-pin-leak") {
int i;
......
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