[PATCH v10 01/10] drm/panic: Add a private field to struct drm_scanout_buffer

[Jocelyn Falempe <jfalempe@redhat.com>]

This allows driver to set some private data in get_scanout_buffer(),
and re-use them in set_pixel() callback.

Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
---

v10:
 * Added in v10, to avoid static variables

 include/drm/drm_panic.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/drm/drm_panic.h b/include/drm/drm_panic.h
index 310c88c4d336..ac0e46b73436 100644
--- a/include/drm/drm_panic.h
+++ b/include/drm/drm_panic.h
@@ -72,6 +72,12 @@ struct drm_scanout_buffer {
 	void (*set_pixel)(struct drm_scanout_buffer *sb, unsigned int x,
 			  unsigned int y, u32 color);
 
+	/**
+	 * @private: private pointer that you can use in the callbacks
+	 * set_pixel()
+	 */
+	void *private;
+
 };
 
 #ifdef CONFIG_DRM_PANIC
-- 
2.49.0