[PATCH 3/3] vmwgfx: Only allow 64x64 cursors

[Thomas Hellstrom]

From: Jakob Bornecrantz <ja...@vmware.com>

Snooping code expects this to be the case.

Signed-off-by: Jakob Bornecrantz <jakob at vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom at vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 40c7e61..880e285 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);
-- 
1.7.4.4