Merge "drm/msm/sde: mitigate error log in IRQ handler" (9ad1e113) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/gpu/drm/msm/sde/sde_core_irq.c

+16 −3

Original line number	Diff line number	Diff line
		@@ -55,10 +55,23 @@ static void sde_core_irq_callback_handler(void *arg, int irq_idx)
		spin_unlock_irqrestore(&sde_kms->irq_obj.cb_lock, irq_flags);

		if (cb_tbl_error) {
		SDE_ERROR("irq has no registered callback, idx %d enables %d\n",
		/*
		* If enable count is zero and callback list is empty, then it's
		* not a fatal issue. Log this case as debug. If the enable
		* count is nonzero and callback list is empty, then its a real
		* issue. Log this case as error to ensure we don't have silent
		* IRQs running.
		*/
		if (!enable_counts) {
		SDE_DEBUG("irq has no callback, idx %d enables %d\n",
		irq_idx, enable_counts);
		SDE_EVT32_IRQ(irq_idx, enable_counts);
		} else {
		SDE_ERROR("irq has no callback, idx %d enables %d\n",
		irq_idx, enable_counts);
		SDE_EVT32_IRQ(irq_idx, enable_counts, SDE_EVTLOG_ERROR);
		}
		}

		/*
		* Clear pending interrupt status in HW.