diff options
Diffstat (limited to 'include/linux/screen_info.h')
| -rw-r--r-- | include/linux/screen_info.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h index 75303c1262..6a4a3cec46 100644 --- a/include/linux/screen_info.h +++ b/include/linux/screen_info.h @@ -49,6 +49,16 @@ static inline u64 __screen_info_lfb_size(const struct screen_info *si, unsigned return lfb_size; } +static inline bool __screen_info_vbe_mode_nonvga(const struct screen_info *si) +{ + /* + * VESA modes typically run on VGA hardware. Set bit 5 signals that this + * is not the case. Drivers can then not make use of VGA resources. See + * Sec 4.4 of the VBE 2.0 spec. + */ + return si->vesa_attributes & BIT(5); +} + static inline unsigned int __screen_info_video_type(unsigned int type) { switch (type) { |