From patchwork Wed Aug 8 12:15:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chauhan, Madhav" X-Patchwork-Id: 10559895 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 BE77E90E3 for ; Wed, 8 Aug 2018 12:26:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ACE222AAA7 for ; Wed, 8 Aug 2018 12:26:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A16332AAB7; Wed, 8 Aug 2018 12:26:27 +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 604442AAA7 for ; Wed, 8 Aug 2018 12:26:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8B7686E552; Wed, 8 Aug 2018 12:26:26 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 858236E54E for ; Wed, 8 Aug 2018 12:26:22 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Aug 2018 05:26:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,457,1526367600"; d="scan'208";a="63520850" Received: from madhav-desktop.iind.intel.com ([10.223.25.13]) by orsmga008.jf.intel.com with ESMTP; 08 Aug 2018 05:26:06 -0700 From: Madhav Chauhan To: intel-gfx@lists.freedesktop.org Date: Wed, 8 Aug 2018 17:45:53 +0530 Message-Id: <1533730559-461-7-git-send-email-madhav.chauhan@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1533730559-461-1-git-send-email-madhav.chauhan@intel.com> References: <1533730559-461-1-git-send-email-madhav.chauhan@intel.com> Subject: [Intel-gfx] [PATCH 06/12] drm/i915/icl: Find encoder for DSI command mode 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, vandita.kulkarni@intel.com, rodrigo.vivi@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP This patch adds a helper function to find encoder if DSI is operating in command mode. This function will be used while enabling/disabling TE interrupts for DSI. Signed-off-by: Madhav Chauhan --- drivers/gpu/drm/i915/icl_dsi.c | 17 +++++++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 1 + 2 files changed, 18 insertions(+) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index b189398..bf7ad5e 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -29,6 +29,23 @@ #include #include "intel_dsi.h" +struct intel_encoder *gen11_dsi_find_cmd_mode_encoder(struct intel_crtc *crtc) +{ + struct drm_device *dev = crtc->base.dev; + struct intel_encoder *encoder; + struct intel_dsi *intel_dsi; + + for_each_encoder_on_crtc(dev, &crtc->base, encoder) { + if (encoder->type != INTEL_OUTPUT_DSI) + continue; + intel_dsi = enc_to_intel_dsi(&encoder->base); + if (intel_dsi->operation_mode == INTEL_DSI_COMMAND_MODE) + return encoder; + } + + return NULL; +} + static void wait_for_dsi_hdr_credit_release(struct intel_dsi *intel_dsi, enum transcoder dsi_trans) { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 1b12d53..7dadfc1 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1756,6 +1756,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv); /* icl_dsi.c */ void intel_gen11_dsi_init(struct drm_i915_private *dev_priv); +struct intel_encoder *gen11_dsi_find_cmd_mode_encoder(struct intel_crtc *crtc); /* intel_dsi_dcs_backlight.c */ int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector);