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 A231ACCD183 for ; Thu, 9 Oct 2025 07:30:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6811610E93D; Thu, 9 Oct 2025 07:30:49 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="CFRpRbiH"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id A1F4710E932; Thu, 9 Oct 2025 07:30:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1759995047; x=1791531047; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=XNqftsZtXhIjlCjjdIOVU7qsK42SuNu7eMIwz31km+k=; b=CFRpRbiH2EPQupeZXdWgieLMN9PmVBeTWGYCiMRJqhipRcp6RJbUFRGU aYRyHYLAOl59+aJ2dDKbts7mCIP8N3+Bwn+ja1fRkHusnWVJC3MXl7Auf 31r/YrvNEfAcj2E3X7kdKxnqtsR+8t82zRnuAFqBlzdallACMwOUBr0lZ Xg0IDUQY8vkqzN9Ze4hKxOd45+n6+QbhWHPFVuUsxJa828a+NvgUFLyWk 0Ve46VWCvJHpyzUCvdFzfNtBhAivcDLmEKByYJCix0SzRKtXbB9d7xDmV RMmNzyPbP1QCqGsj1xeWz/wV1Ku714CMZ6ukMB/rUhow9WmK13yFNQH14 Q==; X-CSE-ConnectionGUID: Sxe9BovfRCmP7LI8guSqMw== X-CSE-MsgGUID: itnta2PLSp2oocvwHxXX+A== X-IronPort-AV: E=McAfee;i="6800,10657,11576"; a="66050802" X-IronPort-AV: E=Sophos;i="6.19,215,1754982000"; d="scan'208";a="66050802" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2025 00:30:47 -0700 X-CSE-ConnectionGUID: OkorO9MpQZWyVIABHoGobQ== X-CSE-MsgGUID: V9focZQYR6mPV/oE87fvxA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,215,1754982000"; d="scan'208";a="181073393" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2025 00:30:45 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: ville.syrjala@linux.intel.com, Ankit Nautiyal Subject: [PATCH 0/8] Preparatory patches for guardband optimization Date: Thu, 9 Oct 2025 12:47:28 +0530 Message-ID: <20251009071736.800248-1-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" Handle few cases which will need changes when guardband will no longer be matched to vblank length. - Fix the vblank_start evaluation. - Fix PSR wake latency checks wrt to guradband. Ankit Nautiyal (8): drm/i915/vrr: Use crtc_vsync_start/end for computing vrr.vsync_start/end drm/i915/vrr: s/intel_vrr_compute_config_late/intel_vrr_compute_guardband drm/i915/vblank: Add helper to get correct vblank length drm/i915/psr: Consider SCL lines when validating vblank for wake latency drm/i915/display: Check if final vblank is sufficient for PSR features drm/i915/vrr: Recompute vblank_start for platforms with always-on VRR TG drm/i915/display: Add vblank_start adjustment logic for always-on VRR TG drm/i915/display: Prepare for vblank_delay for LRR drivers/gpu/drm/i915/display/intel_ddi.c | 3 + drivers/gpu/drm/i915/display/intel_display.c | 14 +- drivers/gpu/drm/i915/display/intel_dp.c | 9 ++ drivers/gpu/drm/i915/display/intel_dp.h | 3 + drivers/gpu/drm/i915/display/intel_psr.c | 152 +++++++++++++------ drivers/gpu/drm/i915/display/intel_psr.h | 2 + drivers/gpu/drm/i915/display/intel_vblank.c | 10 ++ drivers/gpu/drm/i915/display/intel_vblank.h | 2 + drivers/gpu/drm/i915/display/intel_vrr.c | 26 +++- drivers/gpu/drm/i915/display/intel_vrr.h | 2 +- drivers/gpu/drm/i915/display/skl_watermark.c | 3 +- 11 files changed, 167 insertions(+), 59 deletions(-) -- 2.45.2