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 125F8CCA470 for ; Thu, 9 Oct 2025 09:14:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7464F10E98D; Thu, 9 Oct 2025 09:14:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="mju4WaY+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id D37DD10E056; Thu, 9 Oct 2025 09:14:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760001253; x=1791537253; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=PG6Aw2UvoMg5jwgbWlSYXJFXoZ43CAqWApxPUMjXvXw=; b=mju4WaY+PxgUMw1mrCPfFKQjqU9oxZASJ3ZRAkyoqCybJ3mh8c1EmwTR tVmKI399PdB1EklGODWJZ9viltMHxuyAG1P02nohTS4v18USfQiRzjuqy xGUkzTWwm0CRyNAcGVHfT6G6RVnu5Xv//N+QH0rWxtIbKNIYrBcWpofu2 5jmBgTEpiY5iEdHJr8ZpwzdipfZA7/dZU68+Dy6jKDP7CbqChVe2EjLTw ykfUF3yxEZCPQrYgj829RD/DEhdNxDHAJjE+x3cAm8RpTjemvUhwobuXE NTNr9weFE3U28r3KpBH5ebWTmsF89K6so1VrUvDBP5M0rEisf0llx74hE w==; X-CSE-ConnectionGUID: bYPxRVmWQDy/cSh+oratEQ== X-CSE-MsgGUID: zsa0/RZlSDyJTPKUxzeIRw== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="62123471" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="62123471" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2025 02:14:13 -0700 X-CSE-ConnectionGUID: RcVRTsBNTvypWf8IG/dcHA== X-CSE-MsgGUID: pcDla1dRSk68gvsaaMbFDA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,215,1754982000"; d="scan'208";a="179918009" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2025 02:14:12 -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 14:30:54 +0530 Message-ID: <20251009090102.850344-1-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. Rev 2: PSR went through some changes recently, rebase the patches on latest PSR changes. 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 | 153 +++++++++++++------ 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, 168 insertions(+), 59 deletions(-) -- 2.45.2