On 09/10/2023 18:29, Jonathan Cavitt wrote:
For the gt_tlb live selftest, when operating on the GSC engine,
increase the timeout from 10 ms to 200 ms because the GSC
engine is a bit slower than the rest.
And others from 10ms to 20ms. By accident or deliberate?
Regards,
Tvrtko
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/selftest_tlb.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/selftest_tlb.c b/drivers/gpu/drm/i915/gt/selftest_tlb.c
index 7e41f69fc818f..24beb94aa7a37 100644
--- a/drivers/gpu/drm/i915/gt/selftest_tlb.c
+++ b/drivers/gpu/drm/i915/gt/selftest_tlb.c
@@ -136,8 +136,15 @@ pte_tlbinv(struct intel_context *ce,
i915_request_get(rq);
i915_request_add(rq);
- /* Short sleep to sanitycheck the batch is spinning before we begin */
- msleep(10);
+ /*
+ * Short sleep to sanitycheck the batch is spinning before we begin.
+ * FIXME: Why is GSC so slow?
+ */
+ if (ce->engine->class == OTHER_CLASS)
+ msleep(200);
+ else
+ msleep(20);
+
if (va == vb) {
if (!i915_request_completed(rq)) {
pr_err("%s(%s): Semaphore sanitycheck failed %llx, with alignment %llx, using PTE size %x (phys %x, sg %x)\n",
