[Mesa-stable] i965: Three patches for stable

[Matt Turner]

I forgot to Cc stable on these three commits:

	6014da50ec41d1ad43fec94a625962ac3f2f10cb
	091a8a04adb28a2044e3baadba0af52a185b3bd0
	7bed52bb5fb4cfd5f91c902a654b3452f921da17

Might as well pick them back to 12.0.6 if we're doing one (which I'm in
favor of)

Thanks,
Matt
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