drm/i915/gt: Warn CI about an unrecoverable wedge

If we have a wedged GPU that we need to recover, but fail, add a taint
for CI to pickup and schedule a reboot.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191002160034.5121-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-10-02 17:00:34 +01:00
parent 9d41318c4e
commit 542a5c66e0

View File

@ -872,8 +872,14 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt)
ok = !HAS_EXECLISTS(gt->i915); /* XXX better agnosticism desired */
if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display)
ok = __intel_gt_reset(gt, ALL_ENGINES) == 0;
if (!ok)
if (!ok) {
/*
* Warn CI about the unrecoverable wedged condition.
* Time for a reboot.
*/
add_taint_for_CI(TAINT_WARN);
return false;
}
/*
* Undo nop_submit_request. We prevent all new i915 requests from