cyber2000fb: fix machine hang on module load

[net-next-2.6.git] / drivers / video / cyber2000fb.c

diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index 3a561df2e8a29d7b020913beef4a86fb705836a3..3eee8296513c8375fd5d5bac1f314fe040e02525 100644 (file)
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -436,6 +436,8 @@ static void cyber2000fb_write_ramdac_ctrl(struct cfb_info *cfb)
        cyber2000fb_writeb(i | 4, 0x3cf, cfb);
        cyber2000fb_writeb(val, 0x3c6, cfb);
        cyber2000fb_writeb(i, 0x3cf, cfb);
+       /* prevent card lock-up observed on x86 with CyberPro 2000 */
+       cyber2000fb_readb(0x3cf, cfb);
 }
 
 static void cyber2000fb_set_timing(struct cfb_info *cfb, struct par_info *hw)