From patchwork Tue Sep 29 21:54:04 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gaurav K Singh X-Patchwork-Id: 7290561 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BA3A29F1D5 for ; Tue, 29 Sep 2015 21:58:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D558220696 for ; Tue, 29 Sep 2015 21:58:21 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 003BB2068D for ; Tue, 29 Sep 2015 21:58:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 53AFE6E25E; Tue, 29 Sep 2015 14:58:20 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 288D16E25B for ; Tue, 29 Sep 2015 14:58:15 -0700 (PDT) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP; 29 Sep 2015 14:58:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,609,1437462000"; d="scan'208";a="654637221" Received: from gksingh1.iind.intel.com ([10.223.26.37]) by orsmga003.jf.intel.com with ESMTP; 29 Sep 2015 14:58:12 -0700 From: Gaurav K Singh To: intel-gfx Date: Wed, 30 Sep 2015 03:24:04 +0530 Message-Id: <1443563651-11596-8-git-send-email-gaurav.k.singh@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1443563651-11596-1-git-send-email-gaurav.k.singh@intel.com> References: <1443563651-11596-1-git-send-email-gaurav.k.singh@intel.com> Cc: m.deepak@intel.com, suryanarayana.r.sangani@intel.com, rakshmi.bhatia@intel.com Subject: [Intel-gfx] [PATCH 07/14] drm/i915: Disable MIPI display self refresh mode 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-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP During disable sequence for MIPI encoder in command mode, disable MIPI display self-refresh mode bit in Pipe Ctrl reg. v2: Use crtc state flag instead of loop over encoders (Daniel) Signed-off-by: Gaurav K Singh Signed-off-by: Yogesh Mohan Marimuthu Signed-off-by: Shobhit Kumar --- drivers/gpu/drm/i915/intel_display.c | 3 +++ drivers/gpu/drm/i915/intel_drv.h | 3 +++ drivers/gpu/drm/i915/intel_dsi.c | 3 +++ 3 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0285af9..c2a5cdf 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2159,6 +2159,9 @@ static void intel_disable_pipe(struct intel_crtc *crtc) if ((val & PIPECONF_ENABLE) == 0) return; + if (crtc->config->dsi_self_refresh) + val = val & ~PIPECONF_MIPI_DSR_ENABLE; + /* * Double wide has implications for planes * so best keep it disabled when not needed. diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index b3d16ce..58fcd7d 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -452,6 +452,9 @@ struct intel_crtc_state { bool double_wide; bool dp_encoder_is_mst; + + bool dsi_self_refresh; + int pbn; struct intel_crtc_scaler_state scaler_state; diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index d2b5d49..d812e07 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -307,6 +307,9 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder, DRM_DEBUG_KMS("\n"); + if (is_cmd_mode(intel_dsi)) + config->dsi_self_refresh = true; + if (fixed_mode) intel_fixed_panel_mode(fixed_mode, adjusted_mode);