From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753766AbeEOOH5 (ORCPT ); Tue, 15 May 2018 10:07:57 -0400 Received: from mail-lf0-f68.google.com ([209.85.215.68]:45710 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753733AbeEOOHy (ORCPT ); Tue, 15 May 2018 10:07:54 -0400 X-Google-Smtp-Source: AB8JxZowW2XNbreuMzDsGVT/OeHt9uzC0PncRuaDPguJJc2vpaYSzvzg8majmA8JNHWywu9FWCP4hA== Subject: Re: [PATCH 2/5] drm/i915: hdmi: add CEC notifier to intel_hdmi To: Hans Verkuil , airlied@linux.ie, hans.verkuil@cisco.com, lee.jones@linaro.org, olof@lixom.net, seanpaul@google.com Cc: sadolfsson@google.com, felixe@google.com, bleung@google.com, darekm@google.com, marcheu@chromium.org, fparent@baylibre.com, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <1526388421-18808-1-git-send-email-narmstrong@baylibre.com> <1526388421-18808-3-git-send-email-narmstrong@baylibre.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT7CwHsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIXOwE0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAcLAXwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8g Organization: Baylibre Message-ID: Date: Tue, 15 May 2018 16:07:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 15/05/2018 14:56, Hans Verkuil wrote: > On 05/15/18 14:46, Neil Armstrong wrote: >> 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. > > You haven't figured yet out where to place the cec_notifier_put() call? > Or did you forget? I just figured it out, I was busy on the CEC driver and notifier, will re-spin a v2 with this and the other small fixes you requested. Thanks, Neil > > Regards, > > Hans > >> >> Signed-off-by: Neil Armstrong >> --- >> drivers/gpu/drm/i915/Kconfig | 1 + >> drivers/gpu/drm/i915/intel_drv.h | 2 ++ >> drivers/gpu/drm/i915/intel_hdmi.c | 10 ++++++++++ >> 3 files changed, 13 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_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..9b94d72 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; >> } >> >> @@ -2358,6 +2364,10 @@ 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, connector->name); >> + if (!intel_hdmi->notifier) >> + DRM_DEBUG_KMS("CEC notifier get failed\n"); >> } >> >> void intel_hdmi_init(struct drm_i915_private *dev_priv, >> >