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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 6AB70C4338F for ; Wed, 28 Jul 2021 19:08:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D9CB060EFD for ; Wed, 28 Jul 2021 19:08:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D9CB060EFD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B49B6E112; Wed, 28 Jul 2021 19:08:39 +0000 (UTC) Received: from mx1.smtp.larsendata.com (mx1.smtp.larsendata.com [91.221.196.215]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7D9716E112 for ; Wed, 28 Jul 2021 19:08:38 +0000 (UTC) Received: from mail01.mxhotel.dk (mail01.mxhotel.dk [91.221.196.236]) by mx1.smtp.larsendata.com (Halon) with ESMTPS id 39b27808-efd7-11eb-9082-0050568c148b; Wed, 28 Jul 2021 19:08:43 +0000 (UTC) Received: from ravnborg.org (80-162-45-141-cable.dk.customer.tdc.net [80.162.45.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: sam@ravnborg.org) by mail01.mxhotel.dk (Postfix) with ESMTPSA id 0BF5D194B06; Wed, 28 Jul 2021 21:08:55 +0200 (CEST) Date: Wed, 28 Jul 2021 21:08:32 +0200 X-Report-Abuse-To: abuse@mxhotel.dk From: Sam Ravnborg To: Dan.Sneddon@microchip.com Subject: Re: Re: [PATCH 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Message-ID: References: <20210727182721.17981-1-tzimmermann@suse.de> <20210727182721.17981-4-tzimmermann@suse.de> <3d2f6b84-dd07-d925-a8b8-2bfd5fc736d9@microchip.com> <2f04b986-6b41-62f9-1587-23818b841655@suse.de> <793514f6-0270-771b-fe36-f82edf4e5fd2@microchip.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <793514f6-0270-771b-fe36-f82edf4e5fd2@microchip.com> X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: airlied@linux.ie, liviu.dudau@arm.com, stefan@agner.ch, amd-gfx@lists.freedesktop.org, anitha.chrisanthus@intel.com, patrik.r.jakobsson@gmail.com, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, tzimmermann@suse.de, edmund.j.dea@intel.com, s.hauer@pengutronix.de, alison.wang@nxp.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, dri-devel@lists.freedesktop.org, daniel@ffwll.ch, sean@poorly.run, linux-arm-kernel@lists.infradead.org, tomba@kernel.org, bbrezillon@kernel.org, jyri.sarha@iki.fi, Nicolas.Ferre@microchip.com, christian.koenig@amd.com, robdclark@gmail.com, kernel@pengutronix.de, alexander.deucher@amd.com, shawnguo@kernel.org, brian.starkey@arm.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Hi Dan, > >> > >> Just to be sure... > >> Can you confirm that vbltest is working OK *before* this patch? > > > > Yes, can you please verify that it regressed. If so, this would mean > > that the driver misses vblank interrupts with the patch applied. > > Yes, unfortunately the vbltest works before this patch, but fails after > this patch is applied. I think I got it - we need to set irq_enabled to true. The documentation says so: " * @irq_enabled: * * Indicates that interrupt handling is enabled, specifically vblank * handling. Drivers which don't use drm_irq_install() need to set this * to true manually. " Can you try to add the following line: +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + dev->irq_enabled = true; <= THIS LINE + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; I hope this fixes it. Sam _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx 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=-4.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 D3F26C4338F for ; Wed, 28 Jul 2021 19:11:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 919E160C51 for ; Wed, 28 Jul 2021 19:11:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 919E160C51 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=q0jemnTTKcSwQfbC23JuDRx6gaGrxqgXiTKWue6H+us=; b=0cSjNdRQvWISXz y+cqftoVgx4DZcgIZjnW98ZzQhSqR6DXJInhINIHcDh8XQDDjSbTESKBdWgBEZlsO21JEfoLVGA9N PHG9STiLZ/Pxqwfy2BESbIa1qqFJ16pZwJnUHFyGd1O4IOdXW7+lpw8K/HAS13p1J7wejkaW+jxuH N43olSruOjjnW1cDOtn5gBgG4XDup/5EtBnoVjI1Pce+sswoYebvalQooB03r9S1h3RrEP/2uf8ZX /UJcBy/YhV1BGyHSDF0WJEOcdhKnHUn5Jxkix39Y1owk53YE/YiNSpcS+9VjjUZXT3yrNasOwkaC/ 6Jxj2IgqB22NV2UZSRYA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8ovC-002C7l-QF; Wed, 28 Jul 2021 19:08:50 +0000 Received: from mx1.smtp.larsendata.com ([91.221.196.215]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8ov9-002C6r-3T for linux-arm-kernel@lists.infradead.org; Wed, 28 Jul 2021 19:08:48 +0000 Received: from mail01.mxhotel.dk (mail01.mxhotel.dk [91.221.196.236]) by mx1.smtp.larsendata.com (Halon) with ESMTPS id 39b27808-efd7-11eb-9082-0050568c148b; Wed, 28 Jul 2021 19:08:43 +0000 (UTC) Received: from ravnborg.org (80-162-45-141-cable.dk.customer.tdc.net [80.162.45.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: sam@ravnborg.org) by mail01.mxhotel.dk (Postfix) with ESMTPSA id 0BF5D194B06; Wed, 28 Jul 2021 21:08:55 +0200 (CEST) Date: Wed, 28 Jul 2021 21:08:32 +0200 X-Report-Abuse-To: abuse@mxhotel.dk From: Sam Ravnborg To: Dan.Sneddon@microchip.com Subject: Re: Re: [PATCH 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Message-ID: References: <20210727182721.17981-1-tzimmermann@suse.de> <20210727182721.17981-4-tzimmermann@suse.de> <3d2f6b84-dd07-d925-a8b8-2bfd5fc736d9@microchip.com> <2f04b986-6b41-62f9-1587-23818b841655@suse.de> <793514f6-0270-771b-fe36-f82edf4e5fd2@microchip.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <793514f6-0270-771b-fe36-f82edf4e5fd2@microchip.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210728_120847_314555_2A2737D6 X-CRM114-Status: GOOD ( 18.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: airlied@linux.ie, liviu.dudau@arm.com, stefan@agner.ch, amd-gfx@lists.freedesktop.org, anitha.chrisanthus@intel.com, patrik.r.jakobsson@gmail.com, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, kernel@pengutronix.de, edmund.j.dea@intel.com, s.hauer@pengutronix.de, alison.wang@nxp.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, dri-devel@lists.freedesktop.org, daniel@ffwll.ch, sean@poorly.run, linux-arm-kernel@lists.infradead.org, tomba@kernel.org, bbrezillon@kernel.org, jyri.sarha@iki.fi, christian.koenig@amd.com, robdclark@gmail.com, tzimmermann@suse.de, alexander.deucher@amd.com, shawnguo@kernel.org, brian.starkey@arm.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Dan, > >> > >> Just to be sure... > >> Can you confirm that vbltest is working OK *before* this patch? > > > > Yes, can you please verify that it regressed. If so, this would mean > > that the driver misses vblank interrupts with the patch applied. > > Yes, unfortunately the vbltest works before this patch, but fails after > this patch is applied. I think I got it - we need to set irq_enabled to true. The documentation says so: " * @irq_enabled: * * Indicates that interrupt handling is enabled, specifically vblank * handling. Drivers which don't use drm_irq_install() need to set this * to true manually. " Can you try to add the following line: +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + dev->irq_enabled = true; <= THIS LINE + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; I hope this fixes it. Sam _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 02142C4320A for ; Wed, 28 Jul 2021 19:08:41 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C4D7360EFD for ; Wed, 28 Jul 2021 19:08:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C4D7360EFD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EDDFB6E5B2; Wed, 28 Jul 2021 19:08:39 +0000 (UTC) Received: from mx1.smtp.larsendata.com (mx1.smtp.larsendata.com [91.221.196.215]) by gabe.freedesktop.org (Postfix) with ESMTPS id 870106E81E for ; Wed, 28 Jul 2021 19:08:38 +0000 (UTC) Received: from mail01.mxhotel.dk (mail01.mxhotel.dk [91.221.196.236]) by mx1.smtp.larsendata.com (Halon) with ESMTPS id 39b27808-efd7-11eb-9082-0050568c148b; Wed, 28 Jul 2021 19:08:43 +0000 (UTC) Received: from ravnborg.org (80-162-45-141-cable.dk.customer.tdc.net [80.162.45.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: sam@ravnborg.org) by mail01.mxhotel.dk (Postfix) with ESMTPSA id 0BF5D194B06; Wed, 28 Jul 2021 21:08:55 +0200 (CEST) Date: Wed, 28 Jul 2021 21:08:32 +0200 X-Report-Abuse-To: abuse@mxhotel.dk From: Sam Ravnborg To: Dan.Sneddon@microchip.com Subject: Re: Re: [PATCH 03/14] drm/atmel-hlcdc: Convert to Linux IRQ interfaces Message-ID: References: <20210727182721.17981-1-tzimmermann@suse.de> <20210727182721.17981-4-tzimmermann@suse.de> <3d2f6b84-dd07-d925-a8b8-2bfd5fc736d9@microchip.com> <2f04b986-6b41-62f9-1587-23818b841655@suse.de> <793514f6-0270-771b-fe36-f82edf4e5fd2@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <793514f6-0270-771b-fe36-f82edf4e5fd2@microchip.com> 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: airlied@linux.ie, liviu.dudau@arm.com, amd-gfx@lists.freedesktop.org, anitha.chrisanthus@intel.com, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, tzimmermann@suse.de, edmund.j.dea@intel.com, s.hauer@pengutronix.de, alison.wang@nxp.com, dri-devel@lists.freedesktop.org, sean@poorly.run, linux-arm-kernel@lists.infradead.org, tomba@kernel.org, bbrezillon@kernel.org, jyri.sarha@iki.fi, Nicolas.Ferre@microchip.com, christian.koenig@amd.com, kernel@pengutronix.de, alexander.deucher@amd.com, shawnguo@kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Dan, > >> > >> Just to be sure... > >> Can you confirm that vbltest is working OK *before* this patch? > > > > Yes, can you please verify that it regressed. If so, this would mean > > that the driver misses vblank interrupts with the patch applied. > > Yes, unfortunately the vbltest works before this patch, but fails after > this patch is applied. I think I got it - we need to set irq_enabled to true. The documentation says so: " * @irq_enabled: * * Indicates that interrupt handling is enabled, specifically vblank * handling. Drivers which don't use drm_irq_install() need to set this * to true manually. " Can you try to add the following line: +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) +{ + int ret; + + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + dev->irq_enabled = true; <= THIS LINE + atmel_hlcdc_dc_irq_disable(dev); + + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); + if (ret) + return ret; I hope this fixes it. Sam