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 5BAA1CCD18E for ; Tue, 14 Oct 2025 19:18:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E49110E05F; Tue, 14 Oct 2025 19:18:13 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="KzzXIy2B"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id C56E810E05F; Tue, 14 Oct 2025 19:18:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760469493; x=1792005493; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=31x8k8WMCi30LM2SkQL2wSqTM4MFSK+f7WnS/aCHDpQ=; b=KzzXIy2BL/q+klBeYb1KdFT/ShSwLMRXaAz6FSvj7J7d65qvHdcz/S/j GO/97/VsNm4dtA7QNhtaNvBX7BSfJVmHkANWLMTmn4hBfOWoNCvELf3C3 vepuHRAtxQpUNeuGRQkTMeCJ/5voDw8MZ6edFvu+PSdvf0hZg1rPrxe6H cQKtSxlQqCuY0E9Djzkb4xDcFtIsiHETJ+nj8ZpkZYoptaBDTbOLnb7X9 q3DhgvJujVxQmKRrvjXQgBrX7d/xQG9RwWDuquDbDPOEqRT/GWMa33xW3 C093rPYGw7yVlHLSHmRXM6GQnhymcOy9xlyoVxP6L6O59R5Fierv1iuZ1 Q==; X-CSE-ConnectionGUID: 8KuUFf6hRU6/dK3ABBulKA== X-CSE-MsgGUID: 9GIwo487R1aJinsLR75oSQ== X-IronPort-AV: E=McAfee;i="6800,10657,11531"; a="62549457" X-IronPort-AV: E=Sophos;i="6.17,312,1747724400"; d="scan'208";a="62549457" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2025 12:18:13 -0700 X-CSE-ConnectionGUID: H75vLj1TT6GWfVpU0ajIsA== X-CSE-MsgGUID: 95gG+ki1T/azMkX6fN8Ycw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,229,1754982000"; d="scan'208";a="181105439" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO localhost) ([10.245.244.227]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2025 12:18:11 -0700 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Subject: [PATCH v2 0/9] drm/i915/prefill: Introduce helpers for prefill latency calculations Date: Tue, 14 Oct 2025 22:17:59 +0300 Message-ID: <20251014191808.12326-1-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.49.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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" From: Ville Syrjälä Introduce skl_prefill and various accompanying helpers to do pipe prefill latency related stuff (vblank/guardband length checks, and in the future reduced guardband length). Still a bit rough in plaeces but hopefull good enough to roll out. v2: Always use worst case cdclk estimate for now Drop excessive debugs Fix missing <<16 for framestart_delay Use Ankit's intel_crtc_vblank_length() Some spit and polish here and there Ankit Nautiyal (1): drm/i915/vblank: Add helper to get correct vblank length Ville Syrjälä (8): drm/i915: Reject modes with linetime > 64 usec drm/i915/cdclk: Add prefill helpers for CDCLK drm/i915/cdclk: Add intel_cdclk_min_cdclk_for_prefill() drm/i915/dsc: Add prefill helper for DSC drm/i915/scaler: Add scaler prefill helpers drm/i915/wm: Add WM0 prefill helpers drm/i915/prefill: Introduce skl_prefill.c drm/i915/wm: Use skl_prefill drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/display/intel_cdclk.c | 80 +++++++- drivers/gpu/drm/i915/display/intel_cdclk.h | 6 + drivers/gpu/drm/i915/display/intel_display.c | 8 + drivers/gpu/drm/i915/display/intel_vblank.c | 10 + drivers/gpu/drm/i915/display/intel_vblank.h | 2 + drivers/gpu/drm/i915/display/intel_vdsc.c | 8 + drivers/gpu/drm/i915/display/intel_vdsc.h | 1 + drivers/gpu/drm/i915/display/skl_prefill.c | 157 +++++++++++++++ drivers/gpu/drm/i915/display/skl_prefill.h | 46 +++++ drivers/gpu/drm/i915/display/skl_scaler.c | 198 +++++++++++++++++++ drivers/gpu/drm/i915/display/skl_scaler.h | 15 ++ drivers/gpu/drm/i915/display/skl_watermark.c | 176 +++++++---------- drivers/gpu/drm/i915/display/skl_watermark.h | 3 + drivers/gpu/drm/xe/Makefile | 1 + 15 files changed, 608 insertions(+), 104 deletions(-) create mode 100644 drivers/gpu/drm/i915/display/skl_prefill.c create mode 100644 drivers/gpu/drm/i915/display/skl_prefill.h -- 2.49.1