From patchwork Fri Mar 15 23:09:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Anderson X-Patchwork-Id: 13594126 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 13E96C54E58 for ; Fri, 15 Mar 2024 23:09:47 +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:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=nCf+PIVYy1u4ChRSi6QNeeqSnDng8ObXwxVZKpWffgQ=; b=H726J2BVVTVZLh rFFhDtzy7oc2IHJeMFv7M0TH6JMqKJ8zGJQwwvV3KxxokpKaXJp3CdidBKUvZt9iuFS/fXa/JXI3z KZ+him+LblIgbQeit5SVw8R9Ela7MljN8WePwTcE4PEa4dcc8e7QpxHYI5cNi68cqGmkzI9wG8Xe7 JfL802KoveOm1sHLK3ft8J+3YOqXdp9szidEPNZ3HufPHJmA8B74FEHlsjy/6LWW5qNUsiNrENybs aAon7kdsYxqkA9/agXQPqVB9vFrN5xzQprlC9ig/pOOsC8P6udh5+ILB1r4bny8MFox4tpJxMuCjx Q6TKE/hiR4LoOf9jjBTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rlGgB-00000001p6g-2ov3; Fri, 15 Mar 2024 23:09:35 +0000 Received: from out-179.mta1.migadu.com ([2001:41d0:203:375::b3]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rlGg5-00000001p4H-1SHP for linux-arm-kernel@lists.infradead.org; Fri, 15 Mar 2024 23:09:33 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1710544164; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=g0CAM95i80n59VZGkwHqlea1rQUP9k4U2WVriSCIsYE=; b=GdPBPgVKp+x3BhgDmR3jO4bwbIRmvCGlyyZr3/ONV9Yk16p2IrhiTrrEcEQjyZno0rr1Es MM3yszbKjMYbzVV9T6Yx74OenfVDXqMlAKUkFiKIZMVk0QKT88zOxpWA6y5c0Mw6/zU4Vw TFFQeQp++/hYVeO110XQY1B3TYLav/c= From: Sean Anderson To: Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , dri-devel@lists.freedesktop.org Cc: David Airlie , linux-kernel@vger.kernel.org, Michal Simek , linux-arm-kernel@lists.infradead.org, Daniel Vetter , Sean Anderson Subject: [PATCH 0/6] drm: zynqmp_dp: Misc. patches and debugfs support Date: Fri, 15 Mar 2024 19:09:10 -0400 Message-Id: <20240315230916.1759060-1-sean.anderson@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240315_160929_648057_AC385DDD X-CRM114-Status: UNSURE ( 6.73 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series adds debugfs support for the zynqmp_dp driver. The intent is to enable compliance testing or to help debug signal-integrity issues. The first three patches are general improvements (and could be applied independently), while the last three add debugfs support. Sean Anderson (6): drm: zynqmp_dp: Downgrade log level for aux retries message drm: zynqmp_dp: Adjust training values per-lane drm: zynqmp_dp: Add locking drm: zynqmp_dp: Split off several helper functions drm: zynqmp_dp: Optionally ignore DPCD errors drm: zynqmp_dp: Add debugfs interface for compliance testing drivers/gpu/drm/xlnx/zynqmp_dp.c | 749 ++++++++++++++++++++++++++++--- 1 file changed, 691 insertions(+), 58 deletions(-)