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 5589FCD0437 for ; Tue, 6 Jan 2026 04:39:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1503C10E22D; Tue, 6 Jan 2026 04:39:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="i4OLwGi1"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 394AC10E22D; Tue, 6 Jan 2026 04:39:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767674394; x=1799210394; h=from:subject:date:message-id:mime-version: content-transfer-encoding:to:cc; bh=e+fbBZmtaFHtPO/gU+BQsr4nGkQDmueFe/U3NUq2b6o=; b=i4OLwGi1LEhP0qcEXl7MrrjEQFdMFtSwleKFT/EeQo2TFgdXTd8bPHVD TQasf7XEbQ+Llmbaaeh94O/g8NDGr4VwhqKBDSUUXuYBGcISoLQMvIksJ pMTEI/F8m0s1z1zSfD3AY52PnswMtPofcfE/wOvrP67uTe1BiZFYe9uKL GuKeTI/54kUUF+15chebF+5J7+g0DoH86bDaKHeIoX4YsC/jhk/dw6ZHb NF5F7dfq32YqlddT9fwe2FY/QAW7aN2HN7aFnM128mERiCSO7vh5tbtLS yoB45WMTnNTdMXrwxqkxp8XXgxaVYJ2tLv73tlrkKqS/3osV3SCuRrQ5W Q==; X-CSE-ConnectionGUID: pd9/nxsnTm+8s1Vl+oJltA== X-CSE-MsgGUID: ahT8++qrT+ORxCxllN/z+w== X-IronPort-AV: E=McAfee;i="6800,10657,11662"; a="86459275" X-IronPort-AV: E=Sophos;i="6.21,204,1763452800"; d="scan'208";a="86459275" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2026 20:39:53 -0800 X-CSE-ConnectionGUID: iqiSgNsaSk23vIlhSGnG5w== X-CSE-MsgGUID: s9QPBRlKQQmu90p/iZaR9w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,204,1763452800"; d="scan'208";a="207034301" Received: from srr4-3-linux-106-armuthy.iind.intel.com ([10.190.238.56]) by fmviesa005.fm.intel.com with ESMTP; 05 Jan 2026 20:39:48 -0800 From: Arun R Murthy Subject: [PATCH v7 0/5] User readable error codes on atomic_ioctl failure Date: Tue, 06 Jan 2026 10:07:55 +0530 Message-Id: <20260106-atomic-v7-0-d51d9a351684@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAKSRXGkC/0XMQQrDIBCF4auEWXdK1BibrnqP0oXo2AzUGFRCI eTulULp8oP3vx0KZaYC126HTBsXTkuDOXXgZrs8Cdk3g+yl7o28oK0pskM3GaGCV9rQAG28Zgr 8/h7dH80hp4h1zmT/+SjNL98EChzt5KwQXnk93Hip9Dq7FOE4PkdSlDuWAAAA 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-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/ To: Maarten Lankhorst To: suraj.kandpal@intel.com> To: Maxime Ripard To: Thomas Zimmermann To: David Airlie To: Simona Vetter To: Jani Nikula To: Rodrigo Vivi To: Joonas Lahtinen To: Tvrtko Ursulin To: xaver.hugl@kde.org To: harry.wentland@amd.com To: uma.shankar@intel.com To: louis.chauvet@bootlin.com Cc: dri-devel@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Signed-off-by: Arun R Murthy 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 | 91 +++++++++++++++++++--------- 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(+), 39 deletions(-) --- base-commit: 5fc5192372599f11da8dee072fd8beb4414f8eca change-id: 20250728-atomic-c9713fd357e4 Best regards, -- Arun R Murthy