From patchwork Wed Mar 26 03:35:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: vandana.kannan@intel.com X-Patchwork-Id: 3891831 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A871D9F2B6 for ; Wed, 26 Mar 2014 03:23:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A49BE201FD for ; Wed, 26 Mar 2014 03:23:28 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id A0BA8201F9 for ; Wed, 26 Mar 2014 03:23:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC56D6E49B; Tue, 25 Mar 2014 20:23:25 -0700 (PDT) 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 3CDE66E49B for ; Tue, 25 Mar 2014 20:23:24 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 25 Mar 2014 20:23:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,733,1389772800"; d="scan'208";a="480104588" Received: from vkannan-desktop.iind.intel.com ([10.223.25.35]) by orsmga001.jf.intel.com with ESMTP; 25 Mar 2014 20:23:21 -0700 From: Vandana Kannan To: intel-gfx@lists.freedesktop.org Date: Wed, 26 Mar 2014 09:05:03 +0530 Message-Id: <1395804904-6537-1-git-send-email-vandana.kannan@intel.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Cc: Daniel Vetter , Jesse Barnes Subject: [Intel-gfx] [PATCH] drm/i915: Add property to set HDMI aspect ratio X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 Added a property to enable user space to set aspect ratio for HDMI displays. If there is no user specified value, then PAR_NONE/Automatic option is set by default. User can select aspect ratio 4:3 or 16:9. The aspect ratio selected by user would come into effect with a mode set. v2: Daniel's review comments incorporated. Call for a mode set to update property. Suggested-by: Ville Syrjälä Signed-off-by: Vandana Kannan Cc: Jesse Barnes Cc: Vijay Purushothaman Cc: Ville Syrjälä Cc: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_drv.h | 2 ++ drivers/gpu/drm/i915/intel_hdmi.c | 12 ++++++++++++ drivers/gpu/drm/i915/intel_modes.c | 28 ++++++++++++++++++++++++++++ 4 files changed, 43 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9b8c1e0..628ba2e 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1588,6 +1588,7 @@ typedef struct drm_i915_private { struct drm_property *broadcast_rgb_property; struct drm_property *force_audio_property; + struct drm_property *aspect_ratio_property; uint32_t hw_context_size; struct list_head context_list; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index fa99104..262142f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -474,6 +474,7 @@ struct intel_hdmi { bool has_audio; enum hdmi_force_audio force_audio; bool rgb_quant_range_selectable; + enum hdmi_picture_aspect aspect_ratio; void (*write_infoframe)(struct drm_encoder *encoder, enum hdmi_infoframe_type type, const void *frame, ssize_t len); @@ -834,6 +835,7 @@ int intel_connector_update_modes(struct drm_connector *connector, int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); void intel_attach_force_audio_property(struct drm_connector *connector); void intel_attach_broadcast_rgb_property(struct drm_connector *connector); +void intel_attach_aspect_ratio_property(struct drm_connector *connector); /* intel_overlay.c */ diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index b0413e1..0b99485 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -367,6 +367,9 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, union hdmi_infoframe frame; int ret; + /* Set user selected PAR to incoming mode's member */ + adjusted_mode->picture_aspect_ratio = intel_hdmi->aspect_ratio; + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, adjusted_mode); if (ret < 0) { @@ -1094,6 +1097,11 @@ intel_hdmi_set_property(struct drm_connector *connector, goto done; } + if (property == dev_priv->aspect_ratio_property) { + intel_hdmi->aspect_ratio = val; + goto done; + } + return -EINVAL; done: @@ -1227,6 +1235,7 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c { intel_attach_force_audio_property(connector); intel_attach_broadcast_rgb_property(connector); + intel_attach_aspect_ratio_property(connector); intel_hdmi->color_range_auto = true; } @@ -1291,6 +1300,9 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_connector->get_hw_state = intel_connector_get_hw_state; intel_connector->unregister = intel_connector_unregister; + /* Initialize aspect ratio member of intel_hdmi */ + intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; + intel_hdmi_add_properties(intel_hdmi, connector); intel_connector_attach_encoder(intel_connector, intel_encoder); diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c index 0e860f3..6f814da 100644 --- a/drivers/gpu/drm/i915/intel_modes.c +++ b/drivers/gpu/drm/i915/intel_modes.c @@ -126,3 +126,31 @@ intel_attach_broadcast_rgb_property(struct drm_connector *connector) drm_object_attach_property(&connector->base, prop, 0); } + +static const struct drm_prop_enum_list aspect_ratio_names[] = { + { HDMI_PICTURE_ASPECT_NONE, "Automatic" }, + { HDMI_PICTURE_ASPECT_4_3, "4:3" }, + { HDMI_PICTURE_ASPECT_16_9, "16:9" }, +}; + +void +intel_attach_aspect_ratio_property(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_property *prop; + + prop = dev_priv->aspect_ratio_property; + if (prop == NULL) { + prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, + "HDMI aspect ratio", + aspect_ratio_names, + ARRAY_SIZE(aspect_ratio_names)); + if (prop == NULL) + return; + + dev_priv->aspect_ratio_property = prop; + } + + drm_object_attach_property(&connector->base, prop, 0); +}