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vmwgfx: Only allow 64x64 cursors
author
Jakob Bornecrantz
<jakob@vmware.com>
Wed, 9 Nov 2011 09:25:28 +0000
(10:25 +0100)
committer
Dave Airlie
<airlied@redhat.com>
Fri, 11 Nov 2011 10:58:26 +0000
(10:58 +0000)
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
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diff --git
a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 40c7e617e28b943fda6b160d098104be5b24df45..880e285d7578afa3ebeae75de4dad77443d754ce 100644
(file)
--- 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);