drm/mgag200: Add support for a new G200eW3 chipset
- Added support for the new deviceID for G200eW3
- Added PLL algorithm for the G200eW3
- Added some initialization code for G200eW3
Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index c99c2cb..de06388 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -82,12 +82,19 @@
int orig;
int test1, test2;
int orig1, orig2;
+ unsigned int vram_size;
/* Probe */
orig = ioread16(mem);
iowrite16(0, mem);
- for (offset = 0x100000; offset < mdev->mc.vram_window; offset += 0x4000) {
+ vram_size = mdev->mc.vram_window;
+
+ if ((mdev->type == G200_EW3) && (vram_size >= 0x1000000)) {
+ vram_size = vram_size - 0x400000;
+ }
+
+ for (offset = 0x100000; offset < vram_size; offset += 0x4000) {
orig1 = ioread8(mem + offset);
orig2 = ioread8(mem + offset + 0x100);