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 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 BCFA0CCA470 for ; Thu, 9 Oct 2025 09:32:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5890110E99C; Thu, 9 Oct 2025 09:32:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="mjJvVj69"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0238E10E99B; Thu, 9 Oct 2025 09:32:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760002350; x=1791538350; h=from:subject:date:message-id:mime-version: content-transfer-encoding:to:cc; bh=EYfwn1pUYxghZzghPOJFciEij0VOCsYVD2XFAjkvycg=; b=mjJvVj69wz3pND8DCXHGkSKnncZ5NCJIS8halRVrX2p3NK4aIZFpbHEZ b8DRwF7Upyt5PMFZCOLcQgGud6xFWEgtKY16swU0qeCDUy/JGBX+sIVZ5 X4baDPVq62uK5+i2ORnCdCeMeA95a2xzWK3i5DuKVWcoa9rF0zQ9Ubu5j sjqOCU/gShIJHJTsKja/gmZfqGwMpWG7kEI/Wc/GWO2a3cQ3vpx1e8pPX oAItIiKm3jFBoBHK6UHq6/OgmuZTLwnNoPz8umX2O4mZ7QssSgIx8BA6o CxyePThnaF5X3l9vJlPIgi74FYaySOq+bxg+52u1+UaJke3X9iJdFkOcO g==; X-CSE-ConnectionGUID: P0uaFRrRTh670G804StDbw== X-CSE-MsgGUID: x4Fox85lTfy2mcZZeMpgzg== X-IronPort-AV: E=McAfee;i="6800,10657,11576"; a="66060800" X-IronPort-AV: E=Sophos;i="6.19,215,1754982000"; d="scan'208";a="66060800" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2025 02:32:29 -0700 X-CSE-ConnectionGUID: 0yG+u7quTDeOcunO8TcQgQ== X-CSE-MsgGUID: CeocDiQSRn+jP0GVlNltYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,215,1754982000"; d="scan'208";a="185789524" Received: from srr4-3-linux-106-armuthy.iind.intel.com ([10.190.238.56]) by orviesa005.jf.intel.com with ESMTP; 09 Oct 2025 02:32:24 -0700 From: Arun R Murthy Subject: [PATCH v6 0/5] User readable error codes on atomic_ioctl failure Date: Thu, 09 Oct 2025 15:02:48 +0530 Message-Id: <20251009-atomic-v6-0-d209709cc3ba@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAECB52gC/0XMQQrDIBCF4auEWdcSNWrTVe9RuhAdm4GqQSUUQ u5eKZQuP3j/26FiIaxwHXYouFGlnDr0aQC32PRERr4bxCjUaMSF2ZYjOeZmw2XwUhmcoI/XgoH e36P7ozuUHFlbCtp/roX55RtnnGk7O8u5l15NN0oNX2eXIxzHBxxDymqWAAAA X-Change-ID: 20250728-atomic-c9713fd357e4 To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , xaver.hugl@kde.org, harry.wentland@amd.com, uma.shankar@intel.com, louis.chauvet@bootlin.com Cc: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, Arun R Murthy X-Mailer: b4 0.15-dev X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The series focuses on providing a user readable error value on a failure in drm_atomic_ioctl(). Usually -EINVAL is returned in most of the error cases and it is difficult for the user to decode the error and get to know the real cause for the error. If user gets to know the reason for the error then corrective measurements can be taken up. TODO: driver specific error codes are to be added and will be done in the follow-up patches. The IGT related changes are pushed for review @ https://patchwork.freedesktop.org/series/153330/ Signed-off-by: Arun R Murthy --- Arun R Murthy (5): drm: Define user readable error codes for atomic ioctl drm/atomic: Add error_code element in atomic_state drm/atomic: Allocate atomic_state at the beginning of atomic_ioctl drm/atomic: Return user readable error in atomic_ioctl drm/i915/display: Error codes for async flip failures drivers/gpu/drm/drm_atomic.c | 31 ++++++++++ drivers/gpu/drm/drm_atomic_uapi.c | 92 +++++++++++++++++++--------- drivers/gpu/drm/i915/display/intel_display.c | 25 ++++---- include/drm/drm_atomic.h | 10 +++ include/uapi/drm/drm_mode.h | 41 +++++++++++++ 5 files changed, 159 insertions(+), 40 deletions(-) --- base-commit: a7101e35f29e03562f24ce1220f08350260fc0fc change-id: 20250728-atomic-c9713fd357e4 Best regards, -- Arun R Murthy