From: Laurent Pinchart Date: Fri, 18 Nov 2016 14:55:48 +0000 (+0200) Subject: drm: Add data transmission order bus flag X-Git-Tag: v4.12-rc1~116^2~19^2~18 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5ec1a96010aa7aff19adba92a8163ef8f8c5c1ad;p=karo-tx-linux.git drm: Add data transmission order bus flag The flags indicate whether data is transmitted LSB to MSB or MSB to LSB on the bus. The exact meaning is bus-type dependent. For instance, for LVDS buses the flags indicate whether the seven data bits transmitted in a clock pulse are sent in normal order (MSB to LSB, slots 0 to 6) or reverse order (LSB to MSB, slots 6 to 0). Signed-off-by: Laurent Pinchart Reviewed-by: Thierry Reding --- diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 941f57f311aa..8250062eb8a5 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -224,6 +224,10 @@ struct drm_display_info { #define DRM_BUS_FLAG_PIXDATA_POSEDGE (1<<2) /* drive data on neg. edge */ #define DRM_BUS_FLAG_PIXDATA_NEGEDGE (1<<3) +/* data is transmitted MSB to LSB on the bus */ +#define DRM_BUS_FLAG_DATA_MSB_TO_LSB (1<<4) +/* data is transmitted LSB to MSB on the bus */ +#define DRM_BUS_FLAG_DATA_LSB_TO_MSB (1<<5) /** * @bus_flags: Additional information (like pixel signal polarity) for