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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B7753C25B7E for ; Fri, 31 May 2024 16:27:53 +0000 (UTC) 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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jYIJCRF8yHEKgAn0zTZPkU+Dse5sDfGDLSl4iyAIxso=; b=ZNzNL/Z7TK2+BP dofbLR3VKcJ5PtaYM6nuquGRHTIYdJKBa9oACEXE/f4k4Cg9gWUmdKjH1iCWiYUZJi56W81MCkvhF wfryjuWA/KM5zVyLfO5r36qRFPXU89I3VpoXjKLgHATn3V8r5tJIrh/9L1GCV0C6z6dxdl8hmZkT3 BeK9WbD8hsMcFZy+jiACM2+sZNHyUHheYXPd7HA/H6P/xAtCnB8tLLD3NDnHQDfteTfBOON55WXIX IuhdjSk+RhHbby4XDCOqEDxI9Z9Ut2B7802Z64EOL4wKAwdpfhSdqrbMH4sK6/8oBgSSJKvJ/IPf8 o1rmwIwfJDpILDkWd1cw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sD56T-0000000Aq6M-3zVT; Fri, 31 May 2024 16:27:41 +0000 Received: from out-183.mta0.migadu.com ([91.218.175.183]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sD56Q-0000000Aq3i-06cG for linux-arm-kernel@lists.infradead.org; Fri, 31 May 2024 16:27:40 +0000 X-Envelope-To: laurent.pinchart@ideasonboard.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1717172856; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Uv7gNDMkqzsIKclSBJRKfUZk9Zpd2hU6CV4axNOS95g=; b=CIkuXHSc9+HMumm/A8nQ+bocPbkN6VYJXUPFdVWMc9tbE9VZ5BVWWL0jNq0yKiiswM/tNR nEx+XZ787WUW2UNw3Y1c9AAHMCp+tkkAdSw7aBARksgtH9hthAP0VMGmLA0RNhNyX6mQ6n QmruA3hcyrE1KhRACb+UoZT7Fi/e5B4= X-Envelope-To: maarten.lankhorst@linux.intel.com X-Envelope-To: mripard@kernel.org X-Envelope-To: tzimmermann@suse.de X-Envelope-To: dri-devel@lists.freedesktop.org X-Envelope-To: linux-arm-kernel@lists.infradead.org X-Envelope-To: airlied@gmail.com X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: daniel@ffwll.ch X-Envelope-To: tomi.valkeinen@ideasonboard.com X-Envelope-To: michal.simek@amd.com Message-ID: <5ef45215-e1c3-4f65-bbb6-26ab690d2f1a@linux.dev> Date: Fri, 31 May 2024 12:27:31 -0400 MIME-Version: 1.0 Subject: Re: [PATCH v5 00/10] drm: zynqmp_dp: IRQ cleanups and debugfs support To: Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , dri-devel@lists.freedesktop.org Cc: linux-arm-kernel@lists.infradead.org, David Airlie , linux-kernel@vger.kernel.org, Daniel Vetter , Tomi Valkeinen , Michal Simek References: <20240503192922.2172314-1-sean.anderson@linux.dev> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Sean Anderson In-Reply-To: <20240503192922.2172314-1-sean.anderson@linux.dev> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240531_092738_469327_0F8418E9 X-CRM114-Status: GOOD ( 17.19 ) 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: , 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 On 5/3/24 15:29, Sean Anderson wrote: > This series cleans up the zyqnmp_dp IRQ and locking situation. Once > that's done, it adds debugfs support. The intent is to enable compliance > testing or to help debug signal-integrity issues. > > Last time I discussed converting the HPD work(s) to a threaded IRQ. I > did not end up doing that for this series since the steps would be > > - Add locking > - Move link retraining to a work function > - Harden the IRQ > - Merge the works into a threaded IRQ (omitted) > > Which with the exception of the final step is the same as leaving those > works as-is. Conversion to a threaded IRQ can be done as a follow-up. > > Changes in v5: > - Fix AUX bus not getting unregistered > - Rebase onto drm-misc/drm-misc-next > > Changes in v4: > - Rebase onto drm/drm-next > > Changes in v3: > - Don't delay work > - Convert to a hard IRQ > - Use AUX IRQs instead of polling > - Take dp->lock in zynqmp_dp_hpd_work_func > > Changes in v2: > - Rearrange zynqmp_dp for better padding > - Split off the HPD IRQ work into another commit > - Expand the commit message > - Document hpd_irq_work > - Document debugfs files > - Add ignore_aux_errors and ignore_hpd debugfs files to replace earlier > implicit functionality > - Attempt to fix unreproducable, spurious build warning > - Drop "Optionally ignore DPCD errors" in favor of a debugfs file > directly affecting zynqmp_dp_aux_transfer. > > Sean Anderson (10): > drm: zynqmp_kms: Fix AUX bus not getting unregistered > drm: zynqmp_dp: Rearrange zynqmp_dp for better padding > drm: zynqmp_dp: Don't delay work > drm: zynqmp_dp: Add locking > drm: zynqmp_dp: Don't retrain the link in our IRQ > drm: zynqmp_dp: Convert to a hard IRQ > drm: zynqmp_dp: Use AUX IRQs instead of polling > drm: zynqmp_dp: Split off several helper functions > drm: zynqmp_dp: Take dp->lock in zynqmp_dp_hpd_work_func > drm: zynqmp_dp: Add debugfs interface for compliance testing > > Documentation/gpu/drivers.rst | 1 + > Documentation/gpu/zynqmp.rst | 149 +++++ > MAINTAINERS | 1 + > drivers/gpu/drm/xlnx/zynqmp_dp.c | 883 +++++++++++++++++++++++++++--- > drivers/gpu/drm/xlnx/zynqmp_kms.c | 12 +- > 5 files changed, 977 insertions(+), 69 deletions(-) > create mode 100644 Documentation/gpu/zynqmp.rst > ping --Sean _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel