drm-fixes for 5.2-rc5:

- fix regression on amdgpu on SI
- fix edid override regression
- driver fixes: amdgpu, i915, mediatek, meson, panfrost
- fix writecombine for vmap in gem-shmem helper (used by panfrost)
- add more panel quirks
-----BEGIN PGP SIGNATURE-----
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=4gYP
-----END PGP SIGNATURE-----