On Mon, Jul 31, 2023 at 08:03:41PM +0300, Vitaliy Makkoveev wrote:
> This is the culprit:
>
> schedule_timeout_uninterruptible(long timeout)
> {
> tsleep(curproc, PWAIT, "schtou", timeout);
> return 0;
> }
>
Please give this a try. I think on initialization
intel_dp_wait_source_oui() is called before intel_dp->last_oui_write is
set and this results in a 10min timeout because our jiffies are set to
ULONG_MAX - (10 * 60 * HZ);
--
:wq Claudio
Index: intel_dp.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/drm/i915/display/intel_dp.c,v
retrieving revision 1.14
diff -u -p -r1.14 intel_dp.c
--- intel_dp.c 28 Jul 2023 06:56:32 -0000 1.14
+++ intel_dp.c 31 Jul 2023 19:39:37 -0000
@@ -2228,6 +2228,8 @@ void intel_dp_wait_source_oui(struct int
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
drm_dbg_kms(&i915->drm, "Performing OUI wait\n");
+ if (intel_dp->last_oui_write == 0)
+ intel_dp->last_oui_write = jiffies;
wait_remaining_ms_from_jiffies(intel_dp->last_oui_write, 30);
}
