diff options
Diffstat (limited to 'sys/dev/vt/hw/efifb/efifb.c')
| -rw-r--r-- | sys/dev/vt/hw/efifb/efifb.c | 56 |
1 files changed, 8 insertions, 48 deletions
diff --git a/sys/dev/vt/hw/efifb/efifb.c b/sys/dev/vt/hw/efifb/efifb.c index 05b2d79..2451277 100644 --- a/sys/dev/vt/hw/efifb/efifb.c +++ b/sys/dev/vt/hw/efifb/efifb.c @@ -53,7 +53,6 @@ __FBSDID("$FreeBSD$"); static vd_init_t vt_efifb_init; static vd_probe_t vt_efifb_probe; -static void vt_efifb_remap(void *efifb_data); static struct vt_driver vt_efifb_driver = { .vd_name = "efifb", @@ -73,8 +72,6 @@ static struct vt_driver vt_efifb_driver = { static struct fb_info local_info; VT_DRIVER_DECLARE(vt_efifb, vt_efifb_driver); -SYSINIT(efifb_remap, SI_SUB_KMEM, SI_ORDER_ANY, vt_efifb_remap, &local_info); - static int vt_efifb_probe(struct vt_device *vd) { @@ -101,7 +98,6 @@ vt_efifb_probe(struct vt_device *vd) static int vt_efifb_init(struct vt_device *vd) { - int depth, d; struct fb_info *info; struct efi_fb *efifb; caddr_t kmdp; @@ -121,16 +117,13 @@ vt_efifb_init(struct vt_device *vd) info->fb_height = efifb->fb_height; info->fb_width = efifb->fb_width; - depth = fls(efifb->fb_mask_red); - d = fls(efifb->fb_mask_green); - depth = d > depth ? d : depth; - d = fls(efifb->fb_mask_blue); - depth = d > depth ? d : depth; - d = fls(efifb->fb_mask_reserved); - depth = d > depth ? d : depth; - info->fb_depth = depth; + info->fb_depth = fls(efifb->fb_mask_red | efifb->fb_mask_green | + efifb->fb_mask_blue | efifb->fb_mask_reserved); + /* Round to a multiple of the bits in a byte. */ + info->fb_bpp = (info->fb_depth + NBBY - 1) & ~(NBBY - 1); - info->fb_stride = efifb->fb_stride * (depth / 8); + /* Stride in bytes, not pixels */ + info->fb_stride = efifb->fb_stride * (info->fb_bpp / NBBY); vt_generate_cons_palette(info->fb_cmap, COLOR_FORMAT_RGB, efifb->fb_mask_red, ffs(efifb->fb_mask_red) - 1, @@ -139,43 +132,10 @@ vt_efifb_init(struct vt_device *vd) info->fb_size = info->fb_height * info->fb_stride; info->fb_pbase = efifb->fb_addr; - /* - * Use the direct map as a crutch until pmap is available. Once pmap - * is online, the framebuffer will be remapped by vt_efifb_remap() - * using pmap_mapdev_attr(). - */ - info->fb_vbase = PHYS_TO_DMAP(efifb->fb_addr); - - /* Get pixel storage size. */ - info->fb_bpp = info->fb_stride / info->fb_width * 8; - - /* - * Early FB driver work with static window buffer, so reduce to minimal - * size, buffer or screen. - */ - info->fb_width = MIN(info->fb_width, VT_FB_DEFAULT_WIDTH); - info->fb_height = MIN(info->fb_height, VT_FB_DEFAULT_HEIGHT); + info->fb_vbase = (intptr_t)pmap_mapdev_attr(info->fb_pbase, + info->fb_size, VM_MEMATTR_WRITE_COMBINING); vt_fb_init(vd); return (CN_INTERNAL); } - -static void -vt_efifb_remap(void *xinfo) -{ - struct fb_info *info = xinfo; - - if (info->fb_pbase == 0) - return; - - /* - * Remap as write-combining. This massively improves performance and - * happens very early in kernel initialization, when everything is - * still single-threaded and interrupts are off, so replacing the - * mapping address is safe. - */ - info->fb_vbase = (intptr_t)pmap_mapdev_attr(info->fb_pbase, - info->fb_size, VM_MEMATTR_WRITE_COMBINING); -} - |
