Message ID | 20200226094314.1500667-3-chris@chris-wilson.co.uk (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [01/17] drm/i915/gt: Reset queue_priority_hint after wedging | expand |
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 0838a12e2dc5..2334c45f1d08 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -2196,7 +2196,9 @@ static int gen8_modify_self(struct intel_context *ce, struct i915_request *rq; int err; + intel_engine_pm_get(ce->engine); rq = i915_request_create(ce); + intel_engine_pm_put(ce->engine); if (IS_ERR(rq)) return PTR_ERR(rq);
The engine->kernel_context is a special case for request emission. Since it is used as the barrier within the engine's wakeref, we must acquire the wakeref before submitting a request to the kernel_context. Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> --- drivers/gpu/drm/i915/i915_perf.c | 2 ++ 1 file changed, 2 insertions(+)