update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU, GC 11.0.0, Radeon RX 7900 XT/XTX
gfx1101 dGPU
gfx1102 dGPU
gfx1103 APU

Thanks to the OpenBSD Foundation for sponsoring this work.

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implement unregister_shrinker()

ok kettenis@

Hook up the shrinker for inteldrm(4). This is a "light" version that only
drops graphics buffers that are cached and not in active use.
Help from beck@ for pointing out how to hook this up to our pa

Hook up the shrinker for inteldrm(4). This is a "light" version that only
drops graphics buffers that are cached and not in active use.
Help from beck@ for pointing out how to hook this up to our pagedaemon.

ok jsg@

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