From patchwork Fri Sep 14 06:54:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kulkarni, Vandita" X-Patchwork-Id: 10600491 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 64C8A933 for ; Fri, 14 Sep 2018 09:11:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 42ABF2B124 for ; Fri, 14 Sep 2018 09:11:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 372172B130; Fri, 14 Sep 2018 09:11:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DE13D2B124 for ; Fri, 14 Sep 2018 09:11:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 75A976E6EA; Fri, 14 Sep 2018 09:10:14 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id A06CA6E008 for ; Fri, 14 Sep 2018 07:08:13 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Sep 2018 00:08:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,372,1531810800"; d="scan'208";a="83443511" Received: from vandita-desktop.iind.intel.com ([10.223.25.24]) by orsmga003.jf.intel.com with ESMTP; 14 Sep 2018 00:07:45 -0700 From: Vandita Kulkarni To: intel-gfx@lists.freedesktop.org Date: Fri, 14 Sep 2018 12:24:14 +0530 Message-Id: <1536908054-2176-4-git-send-email-vandita.kulkarni@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1536908054-2176-1-git-send-email-vandita.kulkarni@intel.com> References: <1536908054-2176-1-git-send-email-vandita.kulkarni@intel.com> Subject: [Intel-gfx] [RFC 3/3] drm/i915/icl: Calculate DPLL params for DSI X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jani.nikula@intel.com, paulo.r.zanoni@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Madhav Chauhan This patch calculate various DPLL dividers and parameters for DSI encoder and adjust AFE clock for DSI. For DSI, 8x clock is AFE clock. v2: Extend haswell_crtc_compute_clock() for Gen11 DSI v3: Rebase Signed-off-by: Madhav Chauhan Signed-off-by: Vandita Kulkarni --- drivers/gpu/drm/i915/intel_display.c | 4 +++- drivers/gpu/drm/i915/intel_dpll_mgr.c | 7 ++++++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 6928dcc..1a44c5e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9238,10 +9238,12 @@ void hsw_disable_pc8(struct drm_i915_private *dev_priv) static int haswell_crtc_compute_clock(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state) { + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->base.state); - if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) { + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) || + IS_ICELAKE(dev_priv)) { struct intel_encoder *encoder = intel_get_crtc_new_encoder(state, crtc_state); diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c index 36ed155..5175e44 100644 --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c @@ -22,6 +22,7 @@ */ #include "intel_drv.h" +#include "intel_dsi.h" /** * DOC: Display PLLs @@ -2532,7 +2533,11 @@ static bool icl_calc_dpll_state(struct intel_crtc_state *crtc_state, ret = icl_calc_tbt_pll(dev_priv, clock, &pll_params); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) ret = cnl_ddi_calculate_wrpll(clock, dev_priv, &pll_params); - else + else if (encoder->type == INTEL_OUTPUT_DSI) { + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + ret = cnl_ddi_calculate_wrpll(intel_dsi->bitrate_khz/5, + dev_priv, &pll_params); + } else ret = icl_calc_dp_combo_pll(dev_priv, clock, &pll_params); if (!ret)