From: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Date: Fri, 6 Jan 2017 09:15:03 +0000 (+0100)
Subject: drm: crc: Call wake_up_interruptible() each time there is a new CRC entry
X-Git-Tag: v4.11-rc1~83^2~46^2~7
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9f547425fd9fbcb42b177ec7eec46bd4d7d4ae45;p=linux.git

drm: crc: Call wake_up_interruptible() each time there is a new CRC entry

Each time new data has being added in CRC list inform reader by calling
wake_up_interruptible().
This should avoid to do it in all drivers.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483694104-25627-1-git-send-email-benjamin.gaignard@linaro.org
---

diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index 8b0eeeed4d78..96891c4a6e23 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -363,6 +363,8 @@ int drm_crtc_add_crc_entry(struct drm_crtc *crtc, bool has_frame,
 
 	spin_unlock(&crc->lock);
 
+	wake_up_interruptible(&crc->wq);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(drm_crtc_add_crc_entry);