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authorTomeu Vizoso <tomeu.vizoso@collabora.com>2017-03-03 14:39:33 +0100
committerSean Paul <seanpaul@chromium.org>2017-03-06 12:14:27 -0500
commit4bb310fd9eea254b68b2f48b376fe149f65e3fbb (patch)
tree17411c5b3fa8a95f2722f42713432d1a10547a26 /include
parent62c7bdc0496d6c9b6a6f683e42d949a21cb99181 (diff)
downloadlinux-4bb310fd9eea254b68b2f48b376fe149f65e3fbb.tar.bz2
drm/dp: add crtc backpointer to drm_dp_aux
This backpointer allows DP helpers to access the crtc it's currently being used for. v6: Have the backpointer be to drm_crtc (Sean Paul) Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20170303133936.14964-2-tomeu.vizoso@collabora.com
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_dp_helper.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 04681359a6f5..afe515855f0a 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -732,6 +732,7 @@ 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
+ * @crtc: backpointer to the crtc that is currently using this AUX channel
* @hw_mutex: internal mutex used for locking transfers
* @transfer: transfers a message representing a single AUX transaction
*
@@ -768,6 +769,7 @@ struct drm_dp_aux {
const char *name;
struct i2c_adapter ddc;
struct device *dev;
+ struct drm_crtc *crtc;
struct mutex hw_mutex;
ssize_t (*transfer)(struct drm_dp_aux *aux,
struct drm_dp_aux_msg *msg);