diff options
| author | Daniel Palmer <daniel@0x0f.com> | 2026-07-31 21:19:13 +0900 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2026-08-10 08:13:26 +0200 |
| commit | edfbc5d2adf151a33e8528e6e5da3cc69e49f1eb (patch) | |
| tree | 1cd302d677c6d2194ea8602a1c19dfeb6cf7eac0 | |
| parent | 08364e38dec37cb77ccc873e897c69d23b33c3e5 (diff) | |
fbdev: tdfxfb: Wake the VGA core before programming the CRTC
If the card was unbooted the VGA core needs to be woken up before
poking at it.
Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Helge Deller <deller@gmx.de>
| -rw-r--r-- | drivers/video/fbdev/tdfxfb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index 74a8dfef1d9d..8e5d2f3ef666 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -485,6 +485,10 @@ static void do_write_regs(struct fb_info *info, struct banshee_reg *reg) tdfx_outl(par, MISCINIT1, tdfx_inl(par, MISCINIT1) | 0x01); + /* Wake the VGA core if it hasn't already been woken up */ + tdfx_outl(par, VGAINIT0, reg->vgainit0); + vga_outb(par, 0x3c3, 0x01); + crt_outb(par, 0x11, crt_inb(par, 0x11) & 0x7f); /* CRT unprotect */ banshee_make_room(par, 3); |