Просмотр исходного кода

i915: fix AR register restore.

Make sure the restoration correctly restores the AR registers by
flipping the ARX register into index mode before doing anything.

Without this, some people have had the text mode restore all green.

Signed-off-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jesse Barnes 17 лет назад
Родитель
Сommit
39273b58a4
1 измененных файлов с 1 добавлено и 0 удалено
  1. 1 0
      drivers/char/drm/i915_drv.c

+ 1 - 0
drivers/char/drm/i915_drv.c

@@ -222,6 +222,7 @@ static void i915_restore_vga(struct drm_device *dev)
 			   dev_priv->saveGR[0x18]);
 			   dev_priv->saveGR[0x18]);
 
 
 	/* Attribute controller registers */
 	/* Attribute controller registers */
+	inb(st01);
 	for (i = 0; i < 20; i++)
 	for (i = 0; i < 20; i++)
 		i915_write_ar(st01, i, dev_priv->saveAR[i], 0);
 		i915_write_ar(st01, i, dev_priv->saveAR[i], 0);
 	inb(st01); /* switch back to index mode */
 	inb(st01); /* switch back to index mode */