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We were overzealous here; even though discrete is non-LLC, it should still be always coherent. v2(Thomas & Daniel) - Be extra cautious and limit to DG1 - Add some more commentary Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Daniel Vetter <daniel@ffwll.ch> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211029122137.3484203-1-matthew.auld@intel.com