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-rw-r--r--arch/x86/boot/video.c6
-rw-r--r--include/linux/screen_info.h5
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index d42da380249..f767164cd5d 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -27,6 +27,12 @@ static void store_cursor_position(void)
boot_params.screen_info.orig_x = oreg.dl;
boot_params.screen_info.orig_y = oreg.dh;
+
+ if (oreg.ch & 0x20)
+ boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR;
+
+ if ((oreg.ch & 0x1f) > (oreg.cl & 0x1f))
+ boot_params.screen_info.flags |= VIDEO_FLAGS_NOCURSOR;
}
static void store_video_mode(void)
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
index 1ee2c05142f..899fbb487c9 100644
--- a/include/linux/screen_info.h
+++ b/include/linux/screen_info.h
@@ -14,7 +14,8 @@ struct screen_info {
__u16 orig_video_page; /* 0x04 */
__u8 orig_video_mode; /* 0x06 */
__u8 orig_video_cols; /* 0x07 */
- __u16 unused2; /* 0x08 */
+ __u8 flags; /* 0x08 */
+ __u8 unused2; /* 0x09 */
__u16 orig_video_ega_bx;/* 0x0a */
__u16 unused3; /* 0x0c */
__u8 orig_video_lines; /* 0x0e */
@@ -65,6 +66,8 @@ struct screen_info {
#define VIDEO_TYPE_EFI 0x70 /* EFI graphic mode */
+#define VIDEO_FLAGS_NOCURSOR (1 << 0) /* The video mode has no cursor set */
+
#ifdef __KERNEL__
extern struct screen_info screen_info;