From baa91d640034dd8d0b58a9088f5fefe5cec3c8c4 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Wed, 9 Nov 2011 10:25:28 +0100
Subject: [PATCH] vmwgfx: Only allow 64x64 cursors

Snooping code expects this to be the case.

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 40c7e617e28b..880e285d7578 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -105,6 +105,10 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 	struct vmw_dma_buffer *dmabuf = NULL;
 	int ret;
 
+	/* A lot of the code assumes this */
+	if (handle && (width != 64 || height != 64))
+		return -EINVAL;
+
 	if (handle) {
 		ret = vmw_user_surface_lookup_handle(dev_priv, tfile,
 						     handle, &surface);
-- 
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