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 44E98C3DA61 for ; Wed, 24 Jul 2024 13:06:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D6DA910E6B9; Wed, 24 Jul 2024 13:06:35 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="M0Jc5Pu/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id C5CD110E6B9 for ; Wed, 24 Jul 2024 13:06:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721826393; x=1753362393; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=EnQJRyEWZN4sVKhiSOyW6XGhQNtI8DLLf8AbtK2xoyo=; b=M0Jc5Pu/T8Gsz42N0YcjTh/BnoCNtJ7xqtkyJJ5h3MNUc5ld1DBWSEOa L+GevKL3jvEebzNeac5qESPU7u9Q6v3eToJVKROAZtHzeGAl20IsFA4mo mo1Ag5aO6K8og1JhYfonr8HVOQ9HSt/+3qVjj3TJPPk3WpsHyjTSwhMCr PnmLB2MN3o/uKDxu65+H/C9OWQw7btFvPMTzxhBrc4LnPZ9fTK1brPDrx 0blYKr4C4rXpxPg0rxm+WPBSkjSeou4/K9V73NcYFnE24rn4/aa3rsJJm oxQabOfIcCblHxo80eWhO77yQ+0hvh03cNj9qrrPnmGh6eqh6FHhEIRGB g==; X-CSE-ConnectionGUID: 6ultkvhZTA64Q6M6jnagwA== X-CSE-MsgGUID: 9Kw7KDRKSmKXz/xXe40gMw== X-IronPort-AV: E=McAfee;i="6700,10204,11143"; a="42030356" X-IronPort-AV: E=Sophos;i="6.09,232,1716274800"; d="scan'208";a="42030356" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2024 06:06:32 -0700 X-CSE-ConnectionGUID: Cxe5A7egScikrJo9DpsWuQ== X-CSE-MsgGUID: S8isiWdoTVmjFx8gp+A1rw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,232,1716274800"; d="scan'208";a="57124937" Received: from nemesa.iind.intel.com ([10.190.239.22]) by fmviesa004.fm.intel.com with ESMTP; 24 Jul 2024 06:06:29 -0700 From: Nemesa Garg To: intel-xe@lists.freedesktop.org Cc: juha-pekka.heikkila@intel.com, uma.shankar@intel.com, Nemesa Garg Subject: [PATCH] drm/i915/display: Workaround for odd panning for planar yuv Date: Wed, 24 Jul 2024 18:36:07 +0530 Message-Id: <20240724130607.944085-1-nemesa.garg@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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" Underrun/corruption issue is seen for NV12 format for odd panning on LNL due to hardware bug. Disable the format. HSD: 16024459452 Signed-off-by: Nemesa Garg --- drivers/gpu/drm/i915/display/intel_atomic_plane.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index e979786aa5cf..f927e6a0b28b 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -1029,6 +1029,14 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) * This allows NV12 and P0xx formats to have odd size and/or odd * source coordinates on DISPLAY_VER(i915) >= 20 */ + + /* + * Wa_16023981245 for display version 20. + * Disable odd pan for NV12 format. + */ + if (DISPLAY_VER(i915) == 20 && fb->format->format == DRM_FORMAT_NV12) + return 0; + hsub = 1; vsub = 1; } else { -- 2.25.1