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 0A6ECD78775 for ; Fri, 19 Dec 2025 13:28:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 64D2E10EF7F; Fri, 19 Dec 2025 13:28:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VorQn3x/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id A5BEB10E1D1; Fri, 19 Dec 2025 13:28:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1766150916; x=1797686916; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=AS3oWRmAkfcyoDBeSPoWEtvVnhzA59048XKplit7xg8=; b=VorQn3x/EYkAyHWWRgJoaCnzqK2sXGZAQOS7cRWk12qQxCVB1/14jBR+ /rRAi+Wwc/hQbo8GzH2Soe7wmtC3wQFGIdN6+wYZ4+4ELYnW+abrLbnZo M3754TOifWsIOx8vFefUo9pSOhpZVio4vbbMuLAecaBJAlcKoP1squhO4 UOg7lU8CCpijiEvgp5dvemXDttGPHhj8pJsYToPeOnDWCzUMmlNLtaUQw H94dpTSbS7ySvM3ngWO8VDzWBSOBp8E+eWSZHLLLCET/gpmAFO5ZpHedC VFNdZyTUzkMdZy+vW9TdIkDjT1HGlLDSLZGO0Iv6+PgneD844Xg3U1yVS w==; X-CSE-ConnectionGUID: tnI/OxFoTuKB3IZB7megEA== X-CSE-MsgGUID: D19DEMHbSwCzU9Rh/OvNJQ== X-IronPort-AV: E=McAfee;i="6800,10657,11646"; a="68185755" X-IronPort-AV: E=Sophos;i="6.21,161,1763452800"; d="scan'208";a="68185755" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Dec 2025 05:28:36 -0800 X-CSE-ConnectionGUID: zuz2DXsHTo2WUkiGpokeSA== X-CSE-MsgGUID: VjL+924hS4eIXrabfR6JZA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,161,1763452800"; d="scan'208";a="203767018" Received: from fpallare-mobl4.ger.corp.intel.com (HELO [10.245.245.49]) ([10.245.245.49]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Dec 2025 05:28:33 -0800 Message-ID: <03c830d1-3495-4b7d-a333-f54925133c6e@linux.intel.com> Date: Fri, 19 Dec 2025 14:28:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/16] drm/i915/dp: Clean up link BW/DSC slice config computation (fixes) To: imre.deak@intel.com, Thomas Zimmermann , Maxime Ripard , Jani Nikula Cc: Ankit K Nautiyal , Luciano Coelho , Jouni Hogander , Vinod Govindapillai , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org References: <20251215192357.172201-1-imre.deak@intel.com> Content-Language: en-US From: Maarten Lankhorst In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" Got no objections. For patch 1+2: Acked-by: Maarten Lankhorst Den 2025-12-18 kl. 13:00, skrev Imre Deak: > Hi all, > > On Tue, Dec 16, 2025 at 07:30:40PM +0200, Imre Deak wrote: >> Hi Thomas, Maarten, Maxime, >> >> could you ack merging patch 1 and 2 in this patchset containing changes >> in drm_dp_helper.c via the Intel trees? > > any objections to merge patch 1 and 2 via drm-intel? If not, could > someone ack it? > > Thanks, > Imre > >> They fix an issue in the i915/xe drivers' DP DSC slice-count handling >> and do not affect other drivers. >> >> Thanks, >> Imre >> >> On Mon, Dec 15, 2025 at 09:23:40PM +0200, Imre Deak wrote: >>> This is the first part of patchset [1] containing only the fixes for the >>> link BW and DSC slice computation. The remaining patches in [1] refactor >>> the link BW and DSC slice computation simplifying these, to be sent as a >>> follow-up to this patchset. >>> >>> I moved patches 13-15 in [1] later in the patchset to be sent as part of >>> the follow-up, as these patches are not a dependency for the fixes in >>> this patchset. >>> >>> [1] https://lore.kernel.org/all/20251127175023.1522538-1-imre.deak@intel.com >>> >>> Cc: Ankit Nautiyal >>> Cc: Luca Coelho >>> Cc: Jouni Högander >>> Cc: Vinod Govindapillai >>> >>> Imre Deak (16): >>> drm/dp: Parse all DSC slice count caps for eDP 1.5 >>> drm/dp: Add drm_dp_dsc_sink_slice_count_mask() >>> drm/i915/dp: Fix DSC sink's slice count capability check >>> drm/i915/dp: Return a fixed point BPP value from intel_dp_output_bpp() >>> drm/i915/dp: Use a mode's crtc_clock vs. clock during state >>> computation >>> drm/i915/dp: Factor out intel_dp_link_bw_overhead() >>> drm/i915/dp: Fix BW check in is_bw_sufficient_for_dsc_config() >>> drm/i915/dp: Use the effective data rate for DP BW calculation >>> drm/i915/dp: Use the effective data rate for DP compressed BW >>> calculation >>> drm/i915/dp: Account with MST, SSC BW overhead for uncompressed DP-MST >>> stream BW >>> drm/i915/dp: Account with DSC BW overhead for compressed DP-SST stream >>> BW >>> drm/i915/dp: Account with pipe joiner max compressed BPP limit for >>> DP-MST and eDP >>> drm/i915/dp: Fail state computation for invalid min/max link BPP >>> values >>> drm/i915/dp: Fail state computation for invalid max throughput BPP >>> value >>> drm/i915/dp: Fail state computation for invalid max sink compressed >>> BPP value >>> drm/i915/dp: Fail state computation for invalid DSC source input BPP >>> values >>> >>> drivers/gpu/drm/display/drm_dp_helper.c | 103 ++++++--- >>> drivers/gpu/drm/i915/display/intel_dp.c | 211 ++++++++++++------ >>> drivers/gpu/drm/i915/display/intel_dp.h | 9 +- >>> .../drm/i915/display/intel_dp_link_training.c | 4 +- >>> drivers/gpu/drm/i915/display/intel_dp_mst.c | 33 ++- >>> include/drm/display/drm_dp_helper.h | 3 + >>> 6 files changed, 234 insertions(+), 129 deletions(-) >>> >>> -- >>> 2.49.1 >>>