gxfb/lxfb: use VSA definitions when fetching framebuffer size

..Rather than using magic constants.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Jordan Crouse <jordan.crouse@amd.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/video/geode/display_gx.c b/drivers/video/geode/display_gx.c
index 3743c8766a08..1e82ecc367dd 100644
--- a/drivers/video/geode/display_gx.c
+++ b/drivers/video/geode/display_gx.c
@@ -17,6 +17,7 @@
 #include <asm/io.h>
 #include <asm/div64.h>
 #include <asm/delay.h>
+#include <asm/geode.h>
 
 #include "gxfb.h"
 
@@ -28,10 +29,10 @@ unsigned int gx_frame_buffer_size(void)
         /* Virtual register class = 0x02 */
         /* VG_MEM_SIZE(512Kb units) = 0x00 */
 
-        outw(0xFC53, 0xAC1C);
-        outw(0x0200, 0xAC1C);
+        outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
+        outw(VSA_VR_MEM_SIZE, VSA_VRC_INDEX);
 
-        val = (unsigned int)(inw(0xAC1E)) & 0xFFl;
+        val = (unsigned int)(inw(VSA_VRC_DATA)) & 0xFFl;
         return (val << 19);
 }