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Allow efifb to be used with xf86-video-scfb. This is important for EFI

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systems without either a CSM or real graphics drivers, such as my Lenovo
Haswell laptop.

This provides working X with the small complication of a console cursor
permanently overlaid on the upper-left corner of the screen that will be
dealt with later.

Also remove some redundant screen clearing.
This commit is contained in:
nwhitehorn 2014-07-16 18:52:21 +00:00
parent e7a8415ccf
commit c55c162226
1 changed files with 3 additions and 7 deletions
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10
sys/dev/vt/hw/efifb/efifb.c
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@ -62,6 +62,8 @@ static struct vt_driver vt_efifb_driver = {
.vd_blank = vt_fb_blank,
.vd_bitbltchr = vt_fb_bitbltchr,
.vd_maskbitbltchr = vt_fb_maskbitbltchr,
.vd_fb_ioctl = vt_fb_ioctl,
.vd_fb_mmap = vt_fb_mmap,
/* Better than VGA, but still generic driver. */
.vd_priority = VD_PRIORITY_GENERIC + 1,
};
@ -97,7 +99,7 @@ vt_efifb_probe(struct vt_device *vd)
static int
vt_efifb_init(struct vt_device *vd)
{
int depth, d, i, len;
int depth, d;
struct fb_info *info;
struct efi_fb *efifb;
caddr_t kmdp;
@ -142,12 +144,6 @@ vt_efifb_init(struct vt_device *vd)
*/
info->fb_vbase = PHYS_TO_DMAP(efifb->fb_addr);
/* blank full size */
len = info->fb_size / 4;
for (i = 0; i < len; i++) {
((uint32_t *)info->fb_vbase)[i] = 0;
}
/* Get pixel storage size. */
info->fb_bpp = info->fb_stride / info->fb_width * 8;