From patchwork Wed Aug 8 12:15:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chauhan, Madhav" X-Patchwork-Id: 10559891 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 68BC190E3 for ; Wed, 8 Aug 2018 12:26:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 589662AABC for ; Wed, 8 Aug 2018 12:26:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4AE1A2AAB3; Wed, 8 Aug 2018 12:26:25 +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 113502AAB3 for ; Wed, 8 Aug 2018 12:26:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8214D6E54F; Wed, 8 Aug 2018 12:26:23 +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 D009E6E54C for ; Wed, 8 Aug 2018 12:26:21 +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 05:26:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,457,1526367600"; d="scan'208";a="63520842" Received: from madhav-desktop.iind.intel.com ([10.223.25.13]) by orsmga008.jf.intel.com with ESMTP; 08 Aug 2018 05:26:02 -0700 From: Madhav Chauhan To: intel-gfx@lists.freedesktop.org Date: Wed, 8 Aug 2018 17:45:51 +0530 Message-Id: <1533730559-461-5-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 04/12] drm/i915/icl: DSI transcoder config for 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 configures DSI transcoder behavior when operating in command mode. Signed-off-by: Madhav Chauhan --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/icl_dsi.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 81dc656..de671f2 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -10447,6 +10447,7 @@ enum skl_power_gate { #define CMD_MODE_TE_GATE 0x1 #define VIDEO_MODE_SYNC_EVENT 0x2 #define VIDEO_MODE_SYNC_PULSE 0x3 +#define TE_SOURCE_GPIO (1 << 27) #define LINK_READY (1 << 20) #define PIX_FMT(x) (x << 16) #define PIX_FMT_MASK (0x3 << 16) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index a175349..b189398 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -625,6 +625,10 @@ static void gen11_dsi_configure_transcoder(struct intel_encoder *encoder, } else { DRM_ERROR("DSI Video Mode unsupported\n"); } + } else { /* command mode */ + tmp &= ~OP_MODE_MASK; + tmp |= OP_MODE(CMD_MODE_TE_GATE); + tmp |= TE_SOURCE_GPIO; } I915_WRITE(DSI_TRANS_FUNC_CONF(dsi_trans), tmp);