Parse ATAG_VIDEOLFB received from bootloader to screen_info struct, so that video
drivers can use the information.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxx>
---
arch/arm/kernel/setup.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 1f1eecc..11dafe5 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -576,6 +576,31 @@ static int __init parse_tag_videotext(const struct tag *tag)
}
__tagtable(ATAG_VIDEOTEXT, parse_tag_videotext);
+
+static int __init parse_tag_videolfb(const struct tag *tag)
+{
+ screen_info.lfb_width = tag->u.videolfb.lfb_width;
+ screen_info.lfb_height = tag->u.videolfb.lfb_height;
+ screen_info.lfb_depth = tag->u.videolfb.lfb_depth;
+ screen_info.lfb_linelength = tag->u.videolfb.lfb_linelength;
+ screen_info.lfb_base = tag->u.videolfb.lfb_base;
+ screen_info.lfb_size = tag->u.videolfb.lfb_size;
+
+ screen_info.red_size = tag->u.videolfb.red_size;
+ screen_info.red_pos = tag->u.videolfb.red_pos;
+ screen_info.green_size = tag->u.videolfb.green_size;
+ screen_info.green_pos = tag->u.videolfb.green_pos;
+ screen_info.blue_size = tag->u.videolfb.blue_size;
+ screen_info.blue_pos = tag->u.videolfb.blue_pos;
+ screen_info.rsvd_size = tag->u.videolfb.rsvd_size;
+ screen_info.rsvd_pos = tag->u.videolfb.rsvd_pos;
+
+ screen_info.orig_video_isVGA = VIDEO_TYPE_VLFB;
+
+ return 0;
+}
+
+__tagtable(ATAG_VIDEOLFB, parse_tag_videolfb);
#endif
static int __init parse_tag_ramdisk(const struct tag *tag)
--
1.6.0.3
--
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