drm: New option DRM_LEGACY.

This brings in the `drmums' components, which are the parts of the
current drm code base (sys/external/bsd/drm2) needed by legacy
user-mode-setting drivers (currently jus

drm: New option DRM_LEGACY.

This brings in the `drmums' components, which are the parts of the
current drm code base (sys/external/bsd/drm2) needed by legacy
user-mode-setting drivers (currently just viadrmums), in contrast to
the old drm code base (sys/external/bsd/drm).

This way, viadrmums.kmod can be loaded into GENERIC i386 kernels, but
platforms without any relevant legacy UMS drivers don't get the
legacy goo statically baked in.

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drmkms_sched: Remove duplicate module definition.

drm: Fix CPPFLAGS for drm scheduler code.

drm: Split scheduler into separate module.

Used only by amdgpu, and it uses something that is currently broken
from the gcc update on aarch64, so let's make it a little more
optional.

drm: Keep drm include flags in CPPFLAGS.drmkms after all.

Failures from this are much more obvious to debug than files with
missing #ifdefs, which sometimes lead to build failures but could
also jus

drm: Keep drm include flags in CPPFLAGS.drmkms after all.

Failures from this are much more obvious to debug than files with
missing #ifdefs, which sometimes lead to build failures but could
also just lead to silent miscompilation.

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drm: Restore pollution of CPPFLAGS with include directories.

Too much trouble to make this fine-grained.

drm: Undefine `alpha' in CPPFLAGS. Causes lotsa trouble!

But don't undefine it outside drmkms; `#ifdef alpha' or equivalent is
used elsewhere in-tree. (Maybe it should be replaced by __alpha__.)

drm: Narrow scope of drm CPPLAGS just to drm files.

No need for various Linux compat definitions elsewhere in the kernel.

drm: Propagate CPPFLAGS.drmkms into all the drm drivers.

drm: Note dependency on sysmon_power.

drm uses this for pswitch events to notify of hotplug.

rename CONFIG_AARCH64 to CONFIG_ARM64 which is what upstream code expects

drm: sprinkle some -Wno-unused-function for clang

915_sw_fence.c: for debug_fence_init_onstack
drm_mm.c: for rb_hole_size_to_node
intel_hdmi.c: for intel_hdmi_hdcp2_protocol
intel_guc_submission.c:

drm: sprinkle some -Wno-unused-function for clang

915_sw_fence.c: for debug_fence_init_onstack
drm_mm.c: for rb_hole_size_to_node
intel_hdmi.c: for intel_hdmi_hdcp2_protocol
intel_guc_submission.c: for rq_prio
nouveau_nvkm_subdev_instmem_base.c: for fake_ioread32_native
nouveau_nvkm_subdev_mmu_vmmnv04.c: for nv04_vmm_pgt_pte

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drm: Make scheduler mandatory to make amdgpu module simpler.

drm: Make some legacy UMS crap build.

amdgpu: Stub out irq domain stuff with a finer grain.

drm: Place drm_hdcp.c like other overrides in files.drmkms.

drm: Stub out drm_hdcp.c

drm: Remove local diffs for drm_pci_set_busid.

Instead, move it to its own file that can be safely used without
bringing in a link/run-time dependency on pci.

Get drm_mm.c building.

Just replace the interval tree lookup by a linear search for now.

Revert part of previous: no separate CPPFLAGS.drmkms.

There are too many drms users outside sys/external/bsd/drm2 for now;
will hold off on this until we find a better way to keep the drm
includes m

Revert part of previous: no separate CPPFLAGS.drmkms.

There are too many drms users outside sys/external/bsd/drm2 for now;
will hold off on this until we find a better way to keep the drm
includes modularized.

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Narrow the CPPFLAGS for drm subsystems.

No need for the whole kernel to be built with -I flags for the drm
header files.

drm_client stubs

Regen and remerge.

drm_writeback stubs

Eliminate drm_file.c copypasta.