From patchwork Fri Jan 5 11:22:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Lawrynowicz X-Patchwork-Id: 13511967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6F478C3DA6E for ; Fri, 5 Jan 2024 11:22:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E9BA410E5BE; Fri, 5 Jan 2024 11:22:26 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6CAF910E5BA for ; Fri, 5 Jan 2024 11:22:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1704453744; x=1735989744; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wyBFu+dmAW22JJ8uQbdxRjeXIfkm4FSB8jQTEptxWBI=; b=BSZ+jzVcIr0bK4ixBJ7WxFeA5L/Gf1XZRxzADRpilqiCP2J1k2I/m7oE fke1SXPpOAfnkDVPjf+MnM3xjhGYPVDy4GY4Woi1J9SPiJQNYCRMpDvxh r+w5c0b7jHMxUC5Jjvs8Z/F8wqRledZOjhxPe5RcLj+rr+iRYb9V0MKKT 0rIkETP7Dis+OjXUJthNDFfQoZIcBqXlBkBEfaPFjOfHAqY/tHZArDUpF ah+dLoIjPtfuJ4TPwy5wByj2FI0ToOUIfi3D2QU10SMVOvAXBzrA+z7vL Q+rdkh/1vmSHDoW47t1a94WWThpj3FELGDGDpcLIyGnrQIW01efpJ7xt0 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10943"; a="4255388" X-IronPort-AV: E=Sophos;i="6.04,333,1695711600"; d="scan'208";a="4255388" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2024 03:22:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10943"; a="756918705" X-IronPort-AV: E=Sophos;i="6.04,333,1695711600"; d="scan'208";a="756918705" Received: from jlawryno.igk.intel.com ([10.91.220.59]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2024 03:22:22 -0800 From: Jacek Lawrynowicz To: dri-devel@lists.freedesktop.org Subject: [PATCH 01/10] accel/ivpu: Dump MMU events in case of VPU boot timeout Date: Fri, 5 Jan 2024 12:22:09 +0100 Message-ID: <20240105112218.351265-2-jacek.lawrynowicz@linux.intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240105112218.351265-1-jacek.lawrynowicz@linux.intel.com> References: <20240105112218.351265-1-jacek.lawrynowicz@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: quic_jhugo@quicinc.com, Jacek Lawrynowicz , "Wachowski, Karol" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: "Wachowski, Karol" Add ivpu_mmu_evtq_dump() function that dumps existing MMU events from MMU event queue. Call this function if VPU boot failed. Previously MMU events were only checked in interrupt handler, but if VPU failed to boot due to MMU faults, those faults were missed because of interrupts not yet being enabled. This will allow checking potential fault reason of VPU not booting. Signed-off-by: Wachowski, Karol Signed-off-by: Jacek Lawrynowicz Reviewed-by: Jeffrey Hugo --- drivers/accel/ivpu/ivpu_drv.c | 1 + drivers/accel/ivpu/ivpu_mmu.c | 8 ++++++++ drivers/accel/ivpu/ivpu_mmu.h | 1 + 3 files changed, 10 insertions(+) diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 64927682161b..0c3180411b0e 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -369,6 +369,7 @@ int ivpu_boot(struct ivpu_device *vdev) ret = ivpu_wait_for_ready(vdev); if (ret) { ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret); + ivpu_mmu_evtq_dump(vdev); return ret; } diff --git a/drivers/accel/ivpu/ivpu_mmu.c b/drivers/accel/ivpu/ivpu_mmu.c index 2228c44b115f..92ef651098d8 100644 --- a/drivers/accel/ivpu/ivpu_mmu.c +++ b/drivers/accel/ivpu/ivpu_mmu.c @@ -905,6 +905,14 @@ void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev) ivpu_pm_schedule_recovery(vdev); } +void ivpu_mmu_evtq_dump(struct ivpu_device *vdev) +{ + u32 *event; + + while ((event = ivpu_mmu_get_event(vdev)) != NULL) + ivpu_mmu_dump_event(vdev, event); +} + void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev) { u32 gerror_val, gerrorn_val, active; diff --git a/drivers/accel/ivpu/ivpu_mmu.h b/drivers/accel/ivpu/ivpu_mmu.h index cb551126806b..6fa35c240710 100644 --- a/drivers/accel/ivpu/ivpu_mmu.h +++ b/drivers/accel/ivpu/ivpu_mmu.h @@ -46,5 +46,6 @@ int ivpu_mmu_invalidate_tlb(struct ivpu_device *vdev, u16 ssid); void ivpu_mmu_irq_evtq_handler(struct ivpu_device *vdev); void ivpu_mmu_irq_gerr_handler(struct ivpu_device *vdev); +void ivpu_mmu_evtq_dump(struct ivpu_device *vdev); #endif /* __IVPU_MMU_H__ */