[PATCH 2/4] gma500: wide framebuffer memory

[Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>]

From: Alan Cox <alan@xxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx>
---

 drivers/gpu/drm/gma500/framebuffer.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

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 @@ static int psbfb_create(struct psb_fbdev *fbdev,
 			return -ENOMEM;
 	}
 
+	memset(dev_priv->vram_addr + backing->offset, 0, size);
+
 	mutex_lock(&dev->struct_mutex);
 
 	info = framebuffer_alloc(0, device);

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