gma500: wide framebuffer memory
If we set a small text framebuffer and have a bigger scanout then we want
to send black not random bits for the overscan.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index c9fe4bd..4fc0d08 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -408,6 +408,8 @@
return -ENOMEM;
}
+ memset(dev_priv->vram_addr + backing->offset, 0, size);
+
mutex_lock(&dev->struct_mutex);
info = framebuffer_alloc(0, device);