[PATCH v2 4/5] fbdev: tdfxfb: Wake the VGA core before programming the CRTC
Daniel Palmer <[email protected]>
| Newsgroups | org.freedesktop.lists.dri-devel,org.kernel.vger.linux-fbdev,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
If the card was unbooted the VGA core needs to be woken up before poking at it. Signed-off-by: Daniel Palmer <[email protected]> --- 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 4d92ab5b5430..f2b658a47135 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); -- 2.53.0