From edfbc5d2adf151a33e8528e6e5da3cc69e49f1eb Mon Sep 17 00:00:00 2001 From: Daniel Palmer Date: Fri, 31 Jul 2026 21:19:13 +0900 Subject: [PATCH] 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 Signed-off-by: Helge Deller --- drivers/video/fbdev/tdfxfb.c | 4 ++++ 1 file changed, 4 insertions(+) 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);