[RFC PATCH] drm: add mode flags in uapi for seamless mode switch

Jeykumar Sankaran jsanka at codeaurora.org
Thu Jul 11 18:46:45 UTC 2019


Add drm mode flag values to expose mode capabilities to
perform dynamic seamless mode switch. This change also
exposes the backing panel type associated with a mode
for panels which can dynamically switch between video
and command display modes.

Signed-off-by: Jeykumar Sankaran <jsanka at codeaurora.org>
---
 include/uapi/drm/drm_mode.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 5ab331e..b76f1bf 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -124,6 +124,11 @@
 #define  DRM_MODE_FLAG_PIC_AR_256_135 \
 			(DRM_MODE_PICTURE_ASPECT_256_135<<19)
 
+#define DRM_MODE_FLAG_SEAMLESS_SWITCH (1<<23)
+
+#define DRM_MODE_FLAG_VIDEO_MODE   (1<<24)
+#define DRM_MODE_FLAG_COMMAND_MODE (1<<25)
+
 #define  DRM_MODE_FLAG_ALL	(DRM_MODE_FLAG_PHSYNC |		\
 				 DRM_MODE_FLAG_NHSYNC |		\
 				 DRM_MODE_FLAG_PVSYNC |		\
-- 
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