linux-kernel - [PATCH v4 1/5] drm/dp: add connector backpointer to drm_dp

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Message-Id: <20170109133237.17413-2-tomeu.vizoso@collabora.com>
Date:   Mon,  9 Jan 2017 14:32:33 +0100
From:   Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:     linux-kernel@...r.kernel.org
Cc:     Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>, Sean Paul <seanpaul@...omium.org>,
        Thierry Reding <thierry.reding@...il.com>,
        intel-gfx-trybot@...ts.freedesktop.org,
        Emil Velikov <emil.l.velikov@...il.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>
Subject: [PATCH v4 1/5] drm/dp: add connector backpointer to drm_dp_aux

This backpointer allows DP helpers to access the connector it's being
used for.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---

 include/drm/drm_dp_helper.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 55bbeb0ff594..4fa77b434594 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -721,6 +721,7 @@ struct drm_dp_aux_msg {
  * @name: user-visible name of this AUX channel and the I2C-over-AUX adapter
  * @ddc: I2C adapter that can be used for I2C-over-AUX communication
  * @dev: pointer to struct device that is the parent for this AUX channel
+ * @connector: backpointer to connector that uses this AUX channel
  * @hw_mutex: internal mutex used for locking transfers
  * @transfer: transfers a message representing a single AUX transaction
  *
@@ -757,6 +758,7 @@ struct drm_dp_aux {
 	const char *name;
 	struct i2c_adapter ddc;
 	struct device *dev;
+	struct drm_connector *connector;
 	struct mutex hw_mutex;
 	ssize_t (*transfer)(struct drm_dp_aux *aux,
 			    struct drm_dp_aux_msg *msg);
-- 
2.9.3