drm/vmwgfx: Fix Ubuntu 17.10 Wayland black screen issue
BugLink: http://bugs.launchpad.net/bugs/1732698 commit cef75036 upstream. This is an extension of Commit 7c20d213 ("drm/vmwgfx: Work around mode set failure in 2D VMs") With Wayland desktop and atomic mode set, during the mode setting process there is a moment when two framebuffer sized surfaces are being pinned. This was not an issue with Xorg. Since this only happens during a mode change, there should be no performance impact by increasing allowable mem_size. Signed-off-by: Sinclair Yeh <syeh@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
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