From patchwork Fri Jan 16 12:27:26 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 5648091 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 87CCB9F3A0 for ; Fri, 16 Jan 2015 12:27:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A0BD7201FA for ; Fri, 16 Jan 2015 12:27:16 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 6DC0F201EF for ; Fri, 16 Jan 2015 12:27:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CA48D720BA; Fri, 16 Jan 2015 04:27:14 -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 22ACF720B9 for ; Fri, 16 Jan 2015 04:27:13 -0800 (PST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 16 Jan 2015 04:21:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,410,1418112000"; d="scan'208";a="662920097" Received: from jnikula-mobl.fi.intel.com (HELO localhost) ([10.237.72.77]) by fmsmga002.fm.intel.com with ESMTP; 16 Jan 2015 04:27:11 -0800 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Date: Fri, 16 Jan 2015 14:27:26 +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 11/12] drm/i915/dsi: move dpi_send_cmd() to intel_dsi.c and make it static 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 No functional changes. Signed-off-by: Jani Nikula Reviewed-By: Shobhit Kumar --- drivers/gpu/drm/i915/intel_dsi.c | 39 ++++++++++++++++++++++++++++++++++-- drivers/gpu/drm/i915/intel_dsi_cmd.c | 34 ------------------------------- drivers/gpu/drm/i915/intel_dsi_cmd.h | 5 ----- 3 files changed, 37 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 5cfa3431785a..791d90b4c047 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -202,6 +202,41 @@ static struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi, return host; } +/* + * send a video mode command + * + * XXX: commands with data in MIPI_DPI_DATA? + */ +static int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs, + 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; + u32 mask; + + /* XXX: pipe, hs */ + if (hs) + cmd &= ~DPI_LP_MODE; + else + cmd |= DPI_LP_MODE; + + /* clear bit */ + I915_WRITE(MIPI_INTR_STAT(port), SPL_PKT_SENT_INTERRUPT); + + /* XXX: old code skips write if control unchanged */ + if (cmd == I915_READ(MIPI_DPI_CONTROL(port))) + DRM_ERROR("Same special packet %02x twice in a row.\n", cmd); + + I915_WRITE(MIPI_DPI_CONTROL(port), cmd); + + mask = SPL_PKT_SENT_INTERRUPT; + if (wait_for((I915_READ(MIPI_INTR_STAT(port)) & mask) == mask, 100)) + DRM_ERROR("Video mode command 0x%08x send failed.\n", cmd); + + return 0; +} + static void band_gap_reset(struct drm_i915_private *dev_priv) { mutex_lock(&dev_priv->dpio_lock); @@ -357,7 +392,7 @@ static void intel_dsi_enable(struct intel_encoder *encoder) else { msleep(20); /* XXX */ for_each_dsi_port(port, intel_dsi->ports) - dpi_send_cmd(intel_dsi, TURN_ON, DPI_LP_MODE_EN, port); + dpi_send_cmd(intel_dsi, TURN_ON, false, port); msleep(100); drm_panel_enable(intel_dsi->panel); @@ -430,7 +465,7 @@ static void intel_dsi_pre_disable(struct intel_encoder *encoder) if (is_vid_mode(intel_dsi)) { /* Send Shutdown command to the panel in LP mode */ for_each_dsi_port(port, intel_dsi->ports) - dpi_send_cmd(intel_dsi, SHUTDOWN, DPI_LP_MODE_EN, port); + dpi_send_cmd(intel_dsi, SHUTDOWN, false, port); msleep(10); } } diff --git a/drivers/gpu/drm/i915/intel_dsi_cmd.c b/drivers/gpu/drm/i915/intel_dsi_cmd.c index 6baaa374fc89..acdc5da7b46f 100644 --- a/drivers/gpu/drm/i915/intel_dsi_cmd.c +++ b/drivers/gpu/drm/i915/intel_dsi_cmd.c @@ -115,37 +115,3 @@ void dsi_hs_mode_enable(struct intel_dsi *intel_dsi, bool enable, intel_dsi->hs = enable; } - -/* - * send a video mode command - * - * XXX: commands with data in MIPI_DPI_DATA? - */ -int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs, 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; - u32 mask; - - /* XXX: pipe, hs */ - if (hs) - cmd &= ~DPI_LP_MODE; - else - cmd |= DPI_LP_MODE; - - /* clear bit */ - I915_WRITE(MIPI_INTR_STAT(port), SPL_PKT_SENT_INTERRUPT); - - /* XXX: old code skips write if control unchanged */ - if (cmd == I915_READ(MIPI_DPI_CONTROL(port))) - DRM_ERROR("Same special packet %02x twice in a row.\n", cmd); - - I915_WRITE(MIPI_DPI_CONTROL(port), cmd); - - mask = SPL_PKT_SENT_INTERRUPT; - if (wait_for((I915_READ(MIPI_INTR_STAT(port)) & mask) == mask, 100)) - DRM_ERROR("Video mode command 0x%08x send failed.\n", cmd); - - return 0; -} diff --git a/drivers/gpu/drm/i915/intel_dsi_cmd.h b/drivers/gpu/drm/i915/intel_dsi_cmd.h index 9a28ff58a92b..886779030f1a 100644 --- a/drivers/gpu/drm/i915/intel_dsi_cmd.h +++ b/drivers/gpu/drm/i915/intel_dsi_cmd.h @@ -33,12 +33,7 @@ #include "intel_drv.h" #include "intel_dsi.h" -#define DPI_LP_MODE_EN false -#define DPI_HS_MODE_EN true - void dsi_hs_mode_enable(struct intel_dsi *intel_dsi, bool enable, enum port port); -int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs, enum port port); - #endif /* _INTEL_DSI_DSI_H */