drm/omap: add omap_gem_validate_flags()
Add a helper function omap_gem_validate_flags() which validates the omap_bo flags passed from the userspace. Also drop the dev_err() message, as the userspace can cause that at will. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191010120000.1421-8-jjhiblot@ti.com
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