[AGPGART] Make sure we don't poke reserved bits when enabling agp v3

7a45aefa · Dave Jones · Dave Jones · 1d1be2aa · 7a45aefa
Commit 7a45aefa authored May 10, 2003 by Dave Jones Committed by Dave Jones May 10, 2003
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 2 deletions

drivers/char/agp/generic.c drivers/char/agp/generic.c +2 -2

No files found.
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -426,9 +426,9 @@ static void agp_v3_parse_one(u32 *mode, u32 *cmd, u32 *tmp)
 	/* Clear out unwanted bits. */
 	if (*cmd & AGPSTAT3_8X)
-		*cmd *= ~(AGPSTAT3_4X);
+		*cmd *= ~(AGPSTAT3_4X | AGPSTAT3_RSVD);
 	if (*cmd & AGPSTAT3_4X)
-		*cmd *= ~(AGPSTAT3_8X);
+		*cmd *= ~(AGPSTAT3_8X | AGPSTAT3_RSVD);
 }
 //FIXME: This doesn't smell right.