We need more information to describe dual-LVDS links, therefore
introduce link_flags.
Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
---
v1->v2:
* new patch
include/drm/drm_timings.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/include/drm/drm_timings.h b/include/drm/drm_timings.h
index 4af8814..58fbf1b 100644
--- a/include/drm/drm_timings.h
+++ b/include/drm/drm_timings.h
@@ -1,4 +1,6 @@
/*
+ * Copyright (C) 2019 Renesas Electronics Corporation
+ *
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
@@ -21,6 +23,24 @@
#ifndef __DRM_TIMINGS_H__
#define __DRM_TIMINGS_H__
+#include <linux/bits.h>
+
+/**
+ * enum drm_link_flags - link_flags for &drm_timings
+ *
+ * This enum defines the details of the link.
+ *
+ * @DRM_LINK_DUAL_LVDS_ODD_EVEN: Dual-LVDS link, with odd pixels (1,3,5,
+ * etc.) coming through the first port, and
+ * even pixels (0,2,4,etc.) coming through
+ * the second port. If not specified for a
+ * dual-LVDS panel, it is assumed that even
+ * pixels are coming through the first port
+ */
+enum drm_link_flags {
+ DRM_LINK_DUAL_LVDS_ODD_EVEN = BIT(0),
+};
+
/**
* struct drm_timings - timing information
*/
@@ -55,6 +75,12 @@ struct drm_timings {
* and odd-numbered pixels are received on separate links.
*/
bool dual_link;
+ /**
+ * @link_flags
+ *
+ * Provides detailed information about the link.
+ */
+ enum drm_link_flags link_flags;
};
#endif /* __DRM_TIMINGS_H__ */
--
2.7.4
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