[PATCH] sstfb: fix pixclock setting on Voodoo 1/2 cards
authorOndrej Zajicek <santiago@crfreenet.org>
Fri, 16 Mar 2007 21:38:16 +0000 (13:38 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sat, 17 Mar 2007 02:25:04 +0000 (19:25 -0700)
Pixclock setting in sstfb didn't work with my Voodoo 2 card with ICS 5342 DAC
(this DAC requires two consecutive writes to one of its registers to program
pixclock - maybe first write merged with second).

Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/video/sstfb.c

index 59cd1e750f30dc595f96271277587ae151eab31c..62fa5500361d2a1b8a1ce7418c1b81f9d1044d1b 100644 (file)
@@ -257,6 +257,7 @@ static void __sst_dac_write(u8 __iomem *vbase, u8 reg, u8 val)
        r_dprintk("sst_dac_write(%#x, %#x)\n", reg, val);
        reg &= 0x07;
        __sst_write(vbase, DAC_DATA,(((u32)reg << 8)) | (u32)val);
+       __sst_wait_idle(vbase);
 }
 
 /* indexed access to ti/att dacs */