qxl: don't create too large primary surface
Limit primary to qemu vgamem size, to avoid reaching qemu guest bug "requested primary larger than framebuffer" on resizing screen too large to fit. Remove unneeded and misleading variables. Related to: https://bugzilla.redhat.com/show_bug.cgi?id=1127552Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: NDave Airlie <airlied@redhat.com>
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