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 0C822CAC598 for ; Tue, 16 Sep 2025 07:18:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C024810E6A5; Tue, 16 Sep 2025 07:18:04 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="oG7zBHlH"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3C69E10E0B1; Tue, 16 Sep 2025 07:18:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758007084; x=1789543084; h=from:subject:date:message-id:mime-version: content-transfer-encoding:to:cc; bh=kYp+urjgpg/HbHC1IGcVCnwd37YvCI7aiYExxikb6zY=; b=oG7zBHlHT6hRnUF/XQzL0lP8T3TqJIxbz2FU1x3Y4k63EMDypKAZAsCg 8ekc/N0bhJhePFtXk3HiTmBPCDYmRnPgzjM5q4k8n4VsEjLKLtMVjERYv yBnWC4NeDzvd4myvGLRPZb1aPFWpIICmb/WJrOaAgQ4IaQLmnqjtzaqEJ HQckIR2nMbQy8A61WdOeS39XK9zLKJc4n1gireKH5AoRKEh+5vBiox39d 2CvNqzUOmT5v8j0KS4nNbSJHiIUPG/BjgzqBn4+aNiRT8WKfHavEdm5Uw HXy6e+NdJ+6fAmSycn7dbhX++DpNFwIWer0d2ogg/S0t0pvUJCZXbgJAi A==; X-CSE-ConnectionGUID: rZPZskIHRamFy/jRHkuJVQ== X-CSE-MsgGUID: gFaGHP3hQmuIZ4wY2ru9VA== X-IronPort-AV: E=McAfee;i="6800,10657,11554"; a="70526934" X-IronPort-AV: E=Sophos;i="6.18,268,1751266800"; d="scan'208";a="70526934" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2025 00:18:01 -0700 X-CSE-ConnectionGUID: xb8A69ynTcix9/J2s+36/w== X-CSE-MsgGUID: Aa11EgtSRcy9AYPT0B4P4g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,268,1751266800"; d="scan'208";a="175650738" Received: from srr4-3-linux-106-armuthy.iind.intel.com ([10.190.238.56]) by fmviesa010.fm.intel.com with ESMTP; 16 Sep 2025 00:17:56 -0700 From: Arun R Murthy Subject: [PATCH v5 0/5] User readable error codes on atomic_ioctl failure Date: Tue, 16 Sep 2025 12:48:10 +0530 Message-Id: <20250916-atomic-v5-0-821525cfbf25@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIADMPyWgC/0XMQQrDIBCF4auEWXdK1BibrnqP0oXo2AzUGFRCI eTulULp8oP3vx0KZaYC126HTBsXTkuDPnXgZrs8Cdk3g+yl7o28oK0pskM3GaGCV9rQAG28Zgr 8/h7dH80hp4h1zmT/+SjNL98EChzt5KwQXnk93Hip9Dq7FOE4PvFwKJmWAAAA X-Change-ID: 20250728-atomic-c9713fd357e4 To: David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , xaver.hugl@kde.org, harry.wentland@amd.com, uma.shankar@intel.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-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" 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 | 34 +++++++++- 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, 160 insertions(+), 42 deletions(-) --- base-commit: 21147fac313e561dcce8e18363c8de995f3ad4cd change-id: 20250728-atomic-c9713fd357e4 Best regards, -- Arun R Murthy