Author: tsoome
Date: Fri Nov 6 21:27:54 2020
New Revision: 367431
URL: https://svnweb.freebsd.org/changeset/base/367431
Log:
efifb: vt_generate_cons_palette() takes max color, not mask
vt_generate_cons_palette() does take max values of RGB component colours, not
mask. Also we need to set info->fb_cmsize, or vt_fb_init() will re-initialize
the info->fb_cmap.
Modified:
head/sys/dev/vt/hw/efifb/efifb.c
Modified: head/sys/dev/vt/hw/efifb/efifb.c
==============================================================================
--- head/sys/dev/vt/hw/efifb/efifb.c Fri Nov 6 19:27:27 2020
(r367430)
+++ head/sys/dev/vt/hw/efifb/efifb.c Fri Nov 6 21:27:54 2020
(r367431)
@@ -102,6 +102,7 @@ vt_efifb_init(struct vt_device *vd)
struct fb_info *info;
struct efi_fb *efifb;
caddr_t kmdp;
+ int roff, goff, boff;
info = vd->vd_softc;
if (info == NULL)
@@ -126,10 +127,14 @@ vt_efifb_init(struct vt_device *vd)
/* Stride in bytes, not pixels */
info->fb_stride = efifb->fb_stride * (info->fb_bpp / NBBY);
+ roff = ffs(efifb->fb_mask_red) - 1;
+ goff = ffs(efifb->fb_mask_green) - 1;
+ boff = ffs(efifb->fb_mask_blue) - 1;
vt_generate_cons_palette(info->fb_cmap, COLOR_FORMAT_RGB,
- efifb->fb_mask_red, ffs(efifb->fb_mask_red) - 1,
- efifb->fb_mask_green, ffs(efifb->fb_mask_green) - 1,
- efifb->fb_mask_blue, ffs(efifb->fb_mask_blue) - 1);
+ efifb->fb_mask_red >> roff, roff,
+ efifb->fb_mask_green >> goff, goff,
+ efifb->fb_mask_blue >> boff, boff);
+ info->fb_cmsize = NCOLORS;
info->fb_size = info->fb_height * info->fb_stride;
info->fb_pbase = efifb->fb_addr;
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