From patchwork Mon Dec 4 11:58:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kahola, Mika" X-Patchwork-Id: 13478251 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 A5223C4167B for ; Mon, 4 Dec 2023 12:05:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7543510E354; Mon, 4 Dec 2023 12:05:55 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id B425E10E39C for ; Mon, 4 Dec 2023 12:05:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701691533; x=1733227533; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=l9HgdDQeAEFhQogo2z9VldmKXXAiuKm6U9qwtNxB+ps=; b=TqCFcIYyia+zjF17ICtBb++6l201Bb/odh+6xhPfM2PCyOiqVJPNcW+w TBTioUe16/mR7x7lxx8VgIqXLMO7wNtghIFEMci6n+zQVCZ4Euj5oQn4o XTUXxbWxwwdpArzvAQxll7kDAFFn5tfZlqirn/HHVG8OFqyzdlyNj9Frp XgCnj9J0lFA3DafTzEjfypAGDH/OhkYl7xIojMpjWtMeCpZgSooF8xI05 j5AJtrN1CigC442Qpnw1+TKcwEW/YA30OpXw+iuu1lZjdKhG8p88VH859 czCL4E8OOq63gJBl6KR1Mzaxg+QsYyVfB/nbakHl2pyMrxpPkpSBRFfQb w==; X-IronPort-AV: E=McAfee;i="6600,9927,10913"; a="460216914" X-IronPort-AV: E=Sophos;i="6.04,249,1695711600"; d="scan'208";a="460216914" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2023 04:05:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10913"; a="836565365" X-IronPort-AV: E=Sophos;i="6.04,249,1695711600"; d="scan'208";a="836565365" Received: from sorvi2.fi.intel.com ([10.237.72.194]) by fmsmga008.fm.intel.com with ESMTP; 04 Dec 2023 04:05:19 -0800 From: Mika Kahola To: intel-gfx@lists.freedesktop.org Date: Mon, 4 Dec 2023 13:58:53 +0200 Message-Id: <20231204115856.176240-1-mika.kahola@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 0/3] drm/i915/display: Convert link bitrate to clock 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" While reading HW state for C10 and C20 chips, let's update the PLL clock rates. For C20 the clock rate differs from link bit rate on DP2.0 cases and hence a conversion from link bitrate to clock is needed. Signed-off-by: Mika Kahola Mika Kahola (3): drm/i915/display: Move C20 HW readout drm/i915/display: Convert link bitrate to corresponding PLL clock drm/i915/display: Print out debug messages for clock rates drivers/gpu/drm/i915/display/intel_cx0_phy.c | 161 +++++++++++-------- drivers/gpu/drm/i915/display/intel_cx0_phy.h | 1 + drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- 3 files changed, 100 insertions(+), 64 deletions(-)