diff options
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_main.c')
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_main.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index c99c2cb28939..de06388069e7 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -82,12 +82,19 @@ static int mga_probe_vram(struct mga_device *mdev, void __iomem *mem) 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); |