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 7811BF5513F for ; Sun, 8 Mar 2026 13:25:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A61C10E120; Sun, 8 Mar 2026 13:25:05 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="by0fop25"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 73AE810E041; Sun, 8 Mar 2026 13:25:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772976303; x=1804512303; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=sSd20dBKrCtftN/WiE5WjQxeKU+fpgU0M4RSRFoKsww=; b=by0fop25de6GXGY4KYCYgcuWli8Us5JGkmFEeWCe22XHdsmjyTNg+22g aY+uLBHNjpLT2GuV7871Kr/ZQ91YVmJGzVut0gn3G7rrtglK9bKb9rtPV 35hOd83xKtScxGKGfCRg61iMeQm3QpHDrv35pkqIH5z4ty8Chl8ifKNaH 4uiKT2cJ8S9Jy13o9hIOdwlm7VfRlKY9+vA9rJnKWyd6fMZDkfMPHGiGb AmDocenzh6oaF4WpisXUuMxQJpjLu1LNnacTRCCoK1Oat1lhr2vaxlXCf 9D2MjeADkavqnn0hDG3gSOijp0N+/ePlExzezTvYBBHkXO+e7fxbpn3bA A==; X-CSE-ConnectionGUID: sCRz9XQvTE6nVEXplIbiBQ== X-CSE-MsgGUID: D+dNaFHXSMCHBDgkSW01LA== X-IronPort-AV: E=McAfee;i="6800,10657,11722"; a="77871393" X-IronPort-AV: E=Sophos;i="6.23,108,1770624000"; d="scan'208";a="77871393" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2026 06:25:03 -0700 X-CSE-ConnectionGUID: AETMFiaGTqWSMU+gZXdfRw== X-CSE-MsgGUID: dLDPygN4RbOSsJD2/9lkiw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,108,1770624000"; d="scan'208";a="217598072" Received: from administrator-system-product-name.igk.intel.com (HELO dev-417.igk.intel.com) ([10.91.214.181]) by fmviesa008.fm.intel.com with ESMTP; 08 Mar 2026 06:25:01 -0700 From: =?UTF-8?q?Micha=C5=82=20Grzelak?= To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: =?UTF-8?q?Micha=C5=82=20Grzelak?= Subject: [RFC v1 00/11] support for vswing/preemphasis override Date: Sun, 8 Mar 2026 14:24:35 +0100 Message-ID: <20260308132446.3320848-1-michal.grzelak@intel.com> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 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" This patch series aims to get initial feedback & CI coverage on adding support for Vswing / Preemphasis Override from VBT. Currently patchset covers all platforms from MTL onward. There is an additional patch covering platforms from ADL-P, but since it is still work-in-progress, it hasn't been included for now. BR, Michał Michał Grzelak (11): drm/i915/bios: search for Block 57 by default drm/i915/bios: cache V/P Override block drm/i915/bios: remove V/P Override warning drm/i915/bios: print V/P Override port info drm/i915/buf_trans: add intel_dp_above_hbr1() helper drm/i915/buf_trans: add intel_edp_above_hbr2() helper drm/i915/lt: align xe3plpd with V/P Override layout drm/i915/buf_trans: switch from u8 to u32 drm/i915/xe3p: add V/P Override support for xe3p drm/i915/dg2: warn on V/P Override request on dg2 drm/i915/mtl: add V/P Override support for mtl+ drivers/gpu/drm/i915/display/intel_bios.c | 33 +- drivers/gpu/drm/i915/display/intel_bios.h | 1 + .../drm/i915/display/intel_ddi_buf_trans.c | 323 ++++++++++++++---- .../drm/i915/display/intel_ddi_buf_trans.h | 16 +- .../gpu/drm/i915/display/intel_display_core.h | 2 + 5 files changed, 300 insertions(+), 75 deletions(-) -- 2.45.2