From patchwork Fri Jan 16 12:27:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 5648021 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 CAD599F3A0 for ; Fri, 16 Jan 2015 12:26:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEC1820131 for ; Fri, 16 Jan 2015 12:26:56 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 162402012E for ; Fri, 16 Jan 2015 12:26:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F145D6E29F; Fri, 16 Jan 2015 04:26:54 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 59AE26E29F for ; Fri, 16 Jan 2015 04:26:54 -0800 (PST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 16 Jan 2015 04:21:31 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,410,1418112000"; d="scan'208";a="662920006" Received: from jnikula-mobl.fi.intel.com (HELO localhost) ([10.237.72.77]) by fmsmga002.fm.intel.com with ESMTP; 16 Jan 2015 04:26:52 -0800 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Date: Fri, 16 Jan 2015 14:27:19 +0200 Message-Id: X-Mailer: git-send-email 2.1.4 In-Reply-To: References: In-Reply-To: References: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Cc: jani.nikula@intel.com, Shobhit Kumar , Thierry Reding Subject: [Intel-gfx] [RFC PATCH 04/12] drm/i915/dsi: call wait_for_dsi_fifo_empty() for each dsi port 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 Add port parameter to wait_for_dsi_fifo_empty, and call it for each dsi port. We can now remove the transitional intel_dsi_pipe_to_port() function. Signed-off-by: Jani Nikula Reviewed-By: Shobhit Kumar --- drivers/gpu/drm/i915/intel_dsi.c | 17 ++++++++++------- drivers/gpu/drm/i915/intel_dsi.h | 12 ------------ 2 files changed, 10 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index e82cf5f65c9a..9b0eaa9db845 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -42,13 +42,11 @@ static const struct intel_dsi_device intel_dsi_devices[] = { }, }; -static void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi) +static void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi, enum port port) { struct drm_encoder *encoder = &intel_dsi->base.base; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc); - enum port port = intel_dsi_pipe_to_port(intel_crtc->pipe); u32 mask; mask = LP_CTRL_FIFO_EMPTY | HS_CTRL_FIFO_EMPTY | @@ -230,7 +228,8 @@ static void intel_dsi_enable(struct intel_encoder *encoder) if (intel_dsi->dev.dev_ops->enable) intel_dsi->dev.dev_ops->enable(&intel_dsi->dev); - wait_for_dsi_fifo_empty(intel_dsi); + for_each_dsi_port(port, intel_dsi->ports) + wait_for_dsi_fifo_empty(intel_dsi, port); intel_dsi_port_enable(encoder); } @@ -243,6 +242,7 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder) struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); enum pipe pipe = intel_crtc->pipe; + enum port port; u32 tmp; DRM_DEBUG_KMS("\n"); @@ -272,7 +272,8 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder) if (intel_dsi->dev.dev_ops->send_otp_cmds) intel_dsi->dev.dev_ops->send_otp_cmds(&intel_dsi->dev); - wait_for_dsi_fifo_empty(intel_dsi); + for_each_dsi_port(port, intel_dsi->ports) + wait_for_dsi_fifo_empty(intel_dsi, port); /* Enable port in pre-enable phase itself because as per hw team * recommendation, port should be enabled befor plane & pipe */ @@ -315,7 +316,8 @@ static void intel_dsi_disable(struct intel_encoder *encoder) DRM_DEBUG_KMS("\n"); if (is_vid_mode(intel_dsi)) { - wait_for_dsi_fifo_empty(intel_dsi); + for_each_dsi_port(port, intel_dsi->ports) + wait_for_dsi_fifo_empty(intel_dsi, port); intel_dsi_port_disable(encoder); msleep(2); @@ -344,7 +346,8 @@ static void intel_dsi_disable(struct intel_encoder *encoder) if (intel_dsi->dev.dev_ops->disable) intel_dsi->dev.dev_ops->disable(&intel_dsi->dev); - wait_for_dsi_fifo_empty(intel_dsi); + for_each_dsi_port(port, intel_dsi->ports) + wait_for_dsi_fifo_empty(intel_dsi, port); } static void intel_dsi_clear_device_ready(struct intel_encoder *encoder) diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h index 8fe2064dd804..2bb8c46c7889 100644 --- a/drivers/gpu/drm/i915/intel_dsi.h +++ b/drivers/gpu/drm/i915/intel_dsi.h @@ -137,18 +137,6 @@ struct intel_dsi { u16 panel_pwr_cycle_delay; }; -/* XXX: Transitional before dual port configuration */ -static inline enum port intel_dsi_pipe_to_port(enum pipe pipe) -{ - if (pipe == PIPE_A) - return PORT_A; - else if (pipe == PIPE_B) - return PORT_C; - - WARN(1, "DSI on pipe %c, assuming port C\n", pipe_name(pipe)); - return PORT_C; -} - #define for_each_dsi_port(__port, __ports_mask) \ for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \ if ((__ports_mask) & (1 << (__port)))