From patchwork Tue Dec 15 15:33:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 7855261 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 0F8549F387 for ; Tue, 15 Dec 2015 15:34:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 463B2203A5 for ; Tue, 15 Dec 2015 15:34:36 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 6351F203A9 for ; Tue, 15 Dec 2015 15:34:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB6176E5BB; Tue, 15 Dec 2015 07:34:31 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 69BC66E5BB for ; Tue, 15 Dec 2015 07:34:30 -0800 (PST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 15 Dec 2015 07:34:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,432,1444719600"; d="scan'208";a="874125254" Received: from maychris-mobl3.ger.corp.intel.com (HELO localhost) ([10.252.43.151]) by fmsmga002.fm.intel.com with ESMTP; 15 Dec 2015 07:34:29 -0800 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Date: Tue, 15 Dec 2015 17:33:33 +0200 Message-Id: <5f30dc5d79e1b75b1c7c40b161ccf4c221ef2f4e.1450192824.git.jani.nikula@intel.com> 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 Subject: [Intel-gfx] [RFC 2/7] drm/i915: move VBT based TV presence check to intel_bios.c 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 Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_bios.c | 38 ++++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_tv.c | 43 +-------------------------------------- 3 files changed, 40 insertions(+), 42 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index b2cf3b2c127f..a748b2c0d168 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3358,6 +3358,7 @@ extern void intel_i2c_reset(struct drm_device *dev); /* intel_bios.c */ int intel_bios_init(struct drm_device *dev); bool intel_bios_is_valid_vbt(const void *buf, size_t size); +bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv); /* intel_opregion.c */ #ifdef CONFIG_ACPI diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index dc3a0fb1946c..6e3e647834af 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1348,3 +1348,41 @@ intel_bios_init(struct drm_device *dev) return 0; } + +/** + * intel_bios_is_tv_present - is integrated TV present in VBT + * @dev_priv: i915 device instance + * + * Return true if TV is present. If no child devices were parsed from VBT, + * assume TV is present. + */ +bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv) +{ + union child_device_config *p_child; + int i; + + if (!dev_priv->vbt.child_dev_num) + return true; + + for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { + p_child = dev_priv->vbt.child_dev + i; + /* + * If the device type is not TV, continue. + */ + switch (p_child->old.device_type) { + case DEVICE_TYPE_INT_TV: + case DEVICE_TYPE_TV: + case DEVICE_TYPE_TV_SVIDEO_COMPOSITE: + break; + default: + continue; + } + /* Only when the addin_offset is non-zero, it is regarded + * as present. + */ + if (p_child->old.addin_offset) + return true; + } + + return false; +} diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 948cbff6c62e..29e68859b9b7 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1529,47 +1529,6 @@ static const struct drm_encoder_funcs intel_tv_enc_funcs = { .destroy = intel_encoder_destroy, }; -/* - * Enumerate the child dev array parsed from VBT to check whether - * the integrated TV is present. - * If it is present, return 1. - * If it is not present, return false. - * If no child dev is parsed from VBT, it assumes that the TV is present. - */ -static int tv_is_present_in_vbt(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - union child_device_config *p_child; - int i, ret; - - if (!dev_priv->vbt.child_dev_num) - return 1; - - ret = 0; - for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { - p_child = dev_priv->vbt.child_dev + i; - /* - * If the device type is not TV, continue. - */ - switch (p_child->old.device_type) { - case DEVICE_TYPE_INT_TV: - case DEVICE_TYPE_TV: - case DEVICE_TYPE_TV_SVIDEO_COMPOSITE: - break; - default: - continue; - } - /* Only when the addin_offset is non-zero, it is regarded - * as present. - */ - if (p_child->old.addin_offset) { - ret = 1; - break; - } - } - return ret; -} - void intel_tv_init(struct drm_device *dev) { @@ -1585,7 +1544,7 @@ intel_tv_init(struct drm_device *dev) if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED) return; - if (!tv_is_present_in_vbt(dev)) { + if (!intel_bios_is_tv_present(dev_priv)) { DRM_DEBUG_KMS("Integrated TV is not present.\n"); return; }