From patchwork Thu May 24 08:54:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 10424627 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 60E5260545 for ; Thu, 24 May 2018 12:18:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 452922911C for ; Thu, 24 May 2018 12:18:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3970429366; Thu, 24 May 2018 12:18:03 +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 A63042931A for ; Thu, 24 May 2018 12:18:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3F3F86E684; Thu, 24 May 2018 12:15:41 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-wm0-x22c.google.com (mail-wm0-x22c.google.com [IPv6:2a00:1450:400c:c09::22c]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6AEF689CF8 for ; Thu, 24 May 2018 08:55:10 +0000 (UTC) Received: by mail-wm0-x22c.google.com with SMTP id f6-v6so2852808wmc.4 for ; Thu, 24 May 2018 01:55:10 -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=sQqZpUAniWxRfCNVaZxjWvBKu3X47akVsjY0mKig2qD9sFi33X6bhk748LejJyUwin 7BQPzvGtWBDtgzQBGdNmWv5LuK1afBtIYiMMeJ6wl3w45LwKsIiijZbfd1ALPNHfRpb3 J5Q7BMnrvn202unFe3gKWO0EbA7Ty1gH9xO7ay3qVE+COuPaL0Y5Tf3+4OuNw4Xpt4AR DAHxE4B/5Vh8mbOq8z3Rn5ckgjvLmlRiwROfdWaKBOvYo32435QLKsGJHSxNOqjs1un+ ODJ1B5BdUtJq0vXvPLvpL8xr1IIcC6bUJCHeghY9j8Fw8wvkbFNU3bhzExVAKkpgG+4G hc4g== X-Gm-Message-State: ALKqPwdCm9ONcDbq+FL2zN3Fe/8M6aKJL2c+gUTvTG6wIG/+d3z81ngC 0WHi4E9b4Ni23rDDcgLReTa8kQ== X-Google-Smtp-Source: AB8JxZpTVppdHg8DAO6GXiXOktWk2CBXVTNzc5jTyOgBhNsRgFfu7BM/t8AZ48F9bJUkqdKsNllyUA== X-Received: by 2002:a1c:3647:: with SMTP id d68-v6mr7247871wma.39.1527152108966; Thu, 24 May 2018 01:55:08 -0700 (PDT) Received: from bender.baylibre.local ([90.63.244.31]) by smtp.gmail.com with ESMTPSA id z192-v6sm3348462wmc.10.2018.05.24.01.55.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 24 May 2018 01:55:08 -0700 (PDT) From: Neil Armstrong To: airlied@linux.ie, hans.verkuil@cisco.com, lee.jones@linaro.org, olof@lixom.net, seanpaul@google.com Date: Thu, 24 May 2018 10:54:57 +0200 Message-Id: <1527152101-17278-3-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1527152101-17278-1-git-send-email-narmstrong@baylibre.com> References: <1527152101-17278-1-git-send-email-narmstrong@baylibre.com> Subject: [Intel-gfx] [PATCH v5 2/6] 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,