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 8600FE65D29 for ; Fri, 22 Nov 2024 07:53:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4F4C510EAE4; Fri, 22 Nov 2024 07:53:07 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GOzLMqG/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id AE40C10EADD; Fri, 22 Nov 2024 07:53:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732261985; x=1763797985; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=X+VwR58De4jblrBnkiqkIz3UqxR9LcQ+hZSQS3TRtso=; b=GOzLMqG/rtkATruFDWsKQlPw2rzMXqy3r8s8SuyiHcbqcmOg+yOxHaO0 fdB/Si3F+gZxzxl7qQYHIkQnd8Mv5bInU+OwIeXW9gfjbFHHIXFurxmGK /hWdyfcEMkkPrx4zEcucHHXoky50qh+Oq0KH1WnYsA6b6tGb/bgoupBit 93qhf9/rW2Ln5SVc84KfqvB0DjGk3uDZdINmzpxxRJY3wrGBesXW69xXH Gz2ocRn5BYoae4IJer+RsyfO5ck4JzNy8Msr2pRRT5kZn5mr4qMCumAT7 Ti3KLEDK21equ5Y6BIYVz3dL0yBfo0Ed/4ci4WBKY9j6YkiTCOLH+ML+S A==; X-CSE-ConnectionGUID: Ly5SlbDoT+qUYSBn3NQmmw== X-CSE-MsgGUID: v92wl0fpRkidCGnL8YgJvg== X-IronPort-AV: E=McAfee;i="6700,10204,11263"; a="43054350" X-IronPort-AV: E=Sophos;i="6.12,175,1728975600"; d="scan'208";a="43054350" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2024 23:53:05 -0800 X-CSE-ConnectionGUID: axFzI8QKTlKJOCzTHBmbiA== X-CSE-MsgGUID: 7WSpUUPsQj+239x5KgQxVA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,175,1728975600"; d="scan'208";a="90663868" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.74]) by fmviesa008.fm.intel.com with SMTP; 21 Nov 2024 23:53:03 -0800 Received: by stinkbox (sSMTP sendmail emulation); Fri, 22 Nov 2024 09:53:02 +0200 Date: Fri, 22 Nov 2024 09:53:02 +0200 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: Mitul Golani Cc: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: Re: [RFC v1 0/4] Update VRR guardband for HRR panel Message-ID: References: <20241112085039.1258860-1-mitulkumar.ajitkumar.golani@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20241112085039.1258860-1-mitulkumar.ajitkumar.golani@intel.com> X-Patchwork-Hint: comment 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" On Tue, Nov 12, 2024 at 02:20:35PM +0530, Mitul Golani wrote: > Compute guardband based on enabled feature latency. > We already have some of this stuff in skl_wm_check_vblank(). But it's missing some of scaler/dsc/etc. prefill stuff. That is the place where all this needs to be checked. > Mitul Golani (4): > drm/i915/scaler: Calculate scaler prefill latency > drm/i915/watermark: Add WM0 prefill latency > drm/i915/psr: Add latency for PSR > display/vrr: Update guardband based on enabled latency > > drivers/gpu/drm/i915/display/intel_psr.c | 23 ++++++++++++ > drivers/gpu/drm/i915/display/intel_psr.h | 1 + > drivers/gpu/drm/i915/display/intel_vrr.c | 18 ++++++++- > drivers/gpu/drm/i915/display/skl_scaler.c | 39 ++++++++++++++++++++ > drivers/gpu/drm/i915/display/skl_scaler.h | 1 + > drivers/gpu/drm/i915/display/skl_watermark.c | 21 +++++++++++ > drivers/gpu/drm/i915/display/skl_watermark.h | 1 + > 7 files changed, 102 insertions(+), 2 deletions(-) > > -- > 2.46.0 -- Ville Syrjälä Intel