From patchwork Fri Jan 19 18:48:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanoni, Paulo R" X-Patchwork-Id: 10175879 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E78C6601E7 for ; Fri, 19 Jan 2018 18:48:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D385F28792 for ; Fri, 19 Jan 2018 18:48:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C847C28795; Fri, 19 Jan 2018 18:48:30 +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=-4.2 required=2.0 tests=BAYES_00, 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 604A228792 for ; Fri, 19 Jan 2018 18:48:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 46A396EAF5; Fri, 19 Jan 2018 18:48:29 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 571466EAF5 for ; Fri, 19 Jan 2018 18:48:28 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jan 2018 10:48:27 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,382,1511856000"; d="scan'208";a="23809009" Received: from przanoni-mobl.amr.corp.intel.com ([10.254.191.183]) by fmsmga001.fm.intel.com with ESMTP; 19 Jan 2018 10:48:25 -0800 From: Paulo Zanoni To: intel-gfx@lists.freedesktop.org Date: Fri, 19 Jan 2018 16:48:12 -0200 Message-Id: <20180119184812.2888-1-paulo.r.zanoni@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180111180010.24357-7-paulo.r.zanoni@intel.com> References: <20180111180010.24357-7-paulo.r.zanoni@intel.com> Cc: Paulo Zanoni , Jani Nikula , Rodrigo Vivi Subject: [Intel-gfx] [PATCH 6/8] drm/i915/icp: Add backlight Support for ICP X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Anusha Srivatsa ICP has two backlight controllers - similar to previous platforms like BXT -, but we only use one controller for now, so we can just reuse the CNP code. v2: Remove the usage of ICP_SECOND_PPS_BACKLIGHT register.(Jani) Reuse CNP code since it is very similar.(Ville) v3 (from Paulo): Rebase. v4 (from Paulo): adjust commit message (James) and comment (Rodrigo). Cc: Jani Nikula Cc: Ville Syrjala Cc: James Ausmus Cc: Rodrigo Vivi Reviewed-by: Paulo Zanoni Signed-off-by: Anusha Srivatsa Signed-off-by: Paulo Zanoni Acked-by: James Ausmus Acked-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_panel.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index fa6831f8c004..e702a6487aa9 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -1719,9 +1719,9 @@ cnp_setup_backlight(struct intel_connector *connector, enum pipe unused) u32 pwm_ctl, val; /* - * CNP has the BXT implementation of backlight, but with only - * one controller. Future platforms could have multiple controllers - * so let's make this extensible and prepared for the future. + * CNP has the BXT implementation of backlight, but with only one + * controller. TODO: ICP has multiple controllers but we only use + * controller 0 for now. */ panel->backlight.controller = 0; @@ -1865,7 +1865,7 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel) panel->backlight.set = bxt_set_backlight; panel->backlight.get = bxt_get_backlight; panel->backlight.hz_to_pwm = bxt_hz_to_pwm; - } else if (HAS_PCH_CNP(dev_priv)) { + } else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_ICP(dev_priv)) { panel->backlight.setup = cnp_setup_backlight; panel->backlight.enable = cnp_enable_backlight; panel->backlight.disable = cnp_disable_backlight;