From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 515AEC433DF for ; Tue, 23 Jun 2020 20:43:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2310421883 for ; Tue, 23 Jun 2020 20:43:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592945011; bh=CJ083IVgLP9GqjBfSwURkEeG+mnOiHoUbB+DadhHC68=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FL+U4OgS/6Qx6nostCdNuBrt/v7IyO8gG9cgiTjZ+JBBnjY6uFqDZ5acBclUbU07w btQTJIk/J3JrmayD4j6XvI3qiphSuII5iDwCSoOYNanEF2mipaIIlfUBvRe+OFdlAw gfGYu6ppGThnljNpmkCUDEP2AumhibMnfcT+sXPg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392529AbgFWUn1 (ORCPT ); Tue, 23 Jun 2020 16:43:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:40308 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392521AbgFWUn0 (ORCPT ); Tue, 23 Jun 2020 16:43:26 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB4312070E; Tue, 23 Jun 2020 20:43:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592945006; bh=CJ083IVgLP9GqjBfSwURkEeG+mnOiHoUbB+DadhHC68=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fpFtYUd9T4XXEG5CuxQDI7TEL9eDbUJzR4GfLLT/tDpSUjPMkqeI77fnunmh7/uc2 jl4kUdWt8R2ypQvnWP01J81JrSOGoYn412oUCdeC3k0e/Kk60TVevtwJODNVoAWZtK OOEAWE2CGCXMH7vzuTzk+qfJh9BWRfNBEUdIPhHE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kunal Joshi , Imre Deak , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Joonas Lahtinen Subject: [PATCH 4.19 197/206] drm/i915/icl+: Fix hotplug interrupt disabling after storm detection Date: Tue, 23 Jun 2020 21:58:45 +0200 Message-Id: <20200623195326.725268150@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200623195316.864547658@linuxfoundation.org> References: <20200623195316.864547658@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Imre Deak commit a3005c2edf7e8c3478880db1ca84028a2b6819bb upstream. Atm, hotplug interrupts on TypeC ports are left enabled after detecting an interrupt storm, fix this. Reported-by: Kunal Joshi Bugzilla: https://gitlab.freedesktop.org/drm/intel/-/issues/1964 Cc: Kunal Joshi Cc: stable@vger.kernel.org Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200612121731.19596-1-imre.deak@intel.com (cherry picked from commit 587a87b9d7e94927edcdea018565bc1939381eb1) Signed-off-by: Joonas Lahtinen Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/i915_irq.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3821,6 +3821,7 @@ static void gen11_hpd_irq_setup(struct d val = I915_READ(GEN11_DE_HPD_IMR); val &= ~hotplug_irqs; + val |= ~enabled_irqs & hotplug_irqs; I915_WRITE(GEN11_DE_HPD_IMR, val); POSTING_READ(GEN11_DE_HPD_IMR);