Convert tests of pMga->Chipset to tests of single bit flags.

Several places in the driver contain if-statements that test Chipset against
several different values to determine what functionality to use.  Some of
these tests, HALCHIPSETS in particular, test as many as 6 different values.
This bloats the code size unnecessarilly.  Instead we cache the results of
some of those tests in single bit flags stored in pMga.

These changes are similar to some changes in the pci-rework branch.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/mga.h b/src/mga.h
index 5297076..6b53d87 100644
--- a/src/mga.h
+++ b/src/mga.h
@@ -391,6 +391,11 @@ typedef struct {
     xf86AccessRec	Access;
     int			Chipset;
     int                 ChipRev;
+
+    int is_Gx50:1;
+    int is_G200SE:1;
+    int is_HAL_chipset:1;
+
     Bool		Primary;
     Bool		Interleave;
     int			HwBpp;