From: Jakob Bornecrantz <jakob@xxxxxxxxxx>
Snooping code expects this to be the case.
Signed-off-by: Jakob Bornecrantz <jakob@xxxxxxxxxx>
Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
---
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
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