From patchwork Mon May 21 14:21:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 10415457 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B69BB6032C for ; Mon, 21 May 2018 14:21:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A7CDF28918 for ; Mon, 21 May 2018 14:21:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9BEFF28984; Mon, 21 May 2018 14:21:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EFCC128918 for ; Mon, 21 May 2018 14:21:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 23C136F0D0; Mon, 21 May 2018 14:21:57 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-wm0-x242.google.com (mail-wm0-x242.google.com [IPv6:2a00:1450:400c:c09::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id 21EAA6F0D2 for ; Mon, 21 May 2018 14:21:54 +0000 (UTC) Received: by mail-wm0-x242.google.com with SMTP id a8-v6so25606524wmg.5 for ; Mon, 21 May 2018 07:21:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=E71k0FRI1KM3hvhD8bR47bVV/aWurgmz4n6Lt5POUe4=; b=PRWCu4KCSYkbbhxPmE+tUWxfA/IVC05HTXfjBcHa2HsbyST7cyIqQcIoeseEoJLD9A aWM1iJ1Ar7pVaKmO/gI8NSJl9bd6/zs2N51wbCJ2+ypmob4DwEbKBgMFmZeRvhWRdeL1 I65+dO4an7QEGhvZlGBprG/yzvpbS+Vwmrg1RV35Q04fKbgphsIZSiDDiKG7s5AVVMGF +w6qPju89zTsasDjfP2r41YE1fbnNIIyH7x13JIwVPtWeqEsWbFPB3Bt9g3si+vgh5QC CDV1/RA5EWSU4V97a92A5QLKQcj81ZZQwQWqlLIjt/10d5FrEgXELhk253UOWw8/wO+d sMDA== X-Gm-Message-State: ALKqPwe8jUJ2TjSvVpUjQ7zBhqpa/LcGvgV8XP4d/S3DE+zguY+27RsK TJyFIMfZOi+SIG20LEtZcS75Qw== X-Google-Smtp-Source: AB8JxZqVg/mOLQjOibJuNRaerADwKKHXwYlvvj7bp2SnnPgykoJJ4Op8H2GIOw6eQfpHF7LC1nRouA== X-Received: by 2002:a1c:a617:: with SMTP id p23-v6mr10077823wme.152.1526912513356; Mon, 21 May 2018 07:21:53 -0700 (PDT) Received: from bender.baylibre.local ([90.63.244.31]) by smtp.gmail.com with ESMTPSA id m69-v6sm27213446wmd.47.2018.05.21.07.21.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 21 May 2018 07:21:52 -0700 (PDT) From: Neil Armstrong To: airlied@linux.ie, hans.verkuil@cisco.com, lee.jones@linaro.org, olof@lixom.net, seanpaul@google.com Date: Mon, 21 May 2018 16:21:43 +0200 Message-Id: <1526912506-18406-3-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1526912506-18406-1-git-send-email-narmstrong@baylibre.com> References: <1526912506-18406-1-git-send-email-narmstrong@baylibre.com> Subject: [Intel-gfx] [PATCH v4 2/5] drm/i915: hdmi: add CEC notifier to intel_hdmi X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , sadolfsson@google.com, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, fparent@baylibre.com, felixe@google.com, bleung@google.com, darekm@google.com, linux-media@vger.kernel.org MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP This patchs adds the cec_notifier feature to the intel_hdmi part of the i915 DRM driver. It uses the HDMI DRM connector name to differentiate between each HDMI ports. The changes will allow the i915 HDMI code to notify EDID and HPD changes to an eventual CEC adapter. Signed-off-by: Neil Armstrong Reviewed-by: Hans Verkuil --- drivers/gpu/drm/i915/Kconfig | 1 + drivers/gpu/drm/i915/intel_display.h | 20 ++++++++++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 2 ++ drivers/gpu/drm/i915/intel_hdmi.c | 13 +++++++++++++ 4 files changed, 36 insertions(+) diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index dfd9588..2d65d56 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -23,6 +23,7 @@ config DRM_I915 select SYNC_FILE select IOSF_MBI select CRC32 + select CEC_CORE if CEC_NOTIFIER help Choose this option if you have a system that has "Intel Graphics Media Accelerator" or "HD Graphics" integrated graphics, diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h index 4e7418b..c68d1c8 100644 --- a/drivers/gpu/drm/i915/intel_display.h +++ b/drivers/gpu/drm/i915/intel_display.h @@ -126,6 +126,26 @@ enum port { #define port_name(p) ((p) + 'A') +static inline const char *port_identifier(enum port port) +{ + switch (port) { + case PORT_A: + return "Port A"; + case PORT_B: + return "Port B"; + case PORT_C: + return "Port C"; + case PORT_D: + return "Port D"; + case PORT_E: + return "Port E"; + case PORT_F: + return "Port F"; + default: + return ""; + } +} + enum dpio_channel { DPIO_CH0, DPIO_CH1 diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d436858..b50e51b 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -39,6 +39,7 @@ #include #include #include +#include /** * __wait_for - magic wait macro @@ -1001,6 +1002,7 @@ struct intel_hdmi { bool has_audio; bool rgb_quant_range_selectable; struct intel_connector *attached_connector; + struct cec_notifier *notifier; }; struct intel_dp_mst_encoder; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 1baef4a..d522b5b 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1868,6 +1868,8 @@ intel_hdmi_set_edid(struct drm_connector *connector) connected = true; } + cec_notifier_set_phys_addr_from_edid(intel_hdmi->notifier, edid); + return connected; } @@ -1876,6 +1878,7 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) { enum drm_connector_status status; struct drm_i915_private *dev_priv = to_i915(connector->dev); + struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); @@ -1891,6 +1894,9 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); + if (status != connector_status_connected) + cec_notifier_phys_addr_invalidate(intel_hdmi->notifier); + return status; } @@ -2031,6 +2037,8 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder, static void intel_hdmi_destroy(struct drm_connector *connector) { + if (intel_attached_hdmi(connector)->notifier) + cec_notifier_put(intel_attached_hdmi(connector)->notifier); kfree(to_intel_connector(connector)->detect_edid); drm_connector_cleanup(connector); kfree(connector); @@ -2358,6 +2366,11 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, u32 temp = I915_READ(PEG_BAND_GAP_DATA); I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd); } + + intel_hdmi->notifier = cec_notifier_get_conn(dev->dev, + port_identifier(port)); + if (!intel_hdmi->notifier) + DRM_DEBUG_KMS("CEC notifier get failed\n"); } void intel_hdmi_init(struct drm_i915_private *dev_priv,