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History log of /src/sys/external/bsd/drm2/nouveau/files.nouveau
RevisionDateAuthorComments
 1.41  19-Sep-2025  mrg apply ${CC_WNO_ENUM_INT_MISMATCH} for nouveau_dispnv50_wndw.c

XXX: this may be a real bug.
 1.40  16-Apr-2024  riastradh drm: Set CONFIG_ACPI in linux/acpi.h and make it build.

Leave a little ACPI-related functionality disabled for now, like
getting EDID out of ACPI -- needs a bit more work to make this work,
and I don't have hardware to work on that.

Should help with failures of the forms:

- unable to locate a BIOS ROM
- bios: unable to locate usable image

on various machines.
 1.39  03-Jun-2023  lukem adapt to ${CC_WNO_IMPLICIT_FALLTHROUGH}

Use ${CC_WNO_IMPLICIT_FALLTHROUGH} instead of
the older style more complex expressions.
 1.38  19-Jul-2022  riastradh branches: 1.38.4;
drm: Propagate CPPFLAGS.drmkms into all the drm drivers.
 1.37  21-Dec-2021  tnn 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
 1.36  19-Dec-2021  riastradh 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.
 1.35  19-Dec-2021  riastradh Narrow the CPPFLAGS for drm subsystems.

No need for the whole kernel to be built with -I flags for the drm
header files.
 1.34  19-Dec-2021  riastradh Get nouveau compiling.
 1.33  19-Dec-2021  riastradh Compile all of nouveau with -Wno-pointer-arith.
 1.32  19-Dec-2021  riastradh Delete nouveau_sysfs.c, removed upstream.
 1.31  19-Dec-2021  riastradh Generate files.* using the 2netbsd scripts.


Author: Maya Rashish <maya@NetBSD.org>
 1.30  02-Jun-2021  nia drm2: build with -fwrapv, since the Linux kernel does and we don't
want to spend too much time fixing their code. silences a lot of
KUBSAN warnings.

we need to use COPTS to have per-option compiler flags. help from
Riastradh.
 1.29  14-Feb-2020  riastradh branches: 1.29.10; 1.29.14;
Eliminate -Wpointer-arith patches; use -Wno-pointer-arith instead.
 1.28  30-Sep-2019  mrg branches: 1.28.2;
convert HAVE_GCC == 7 to HAVE_GCC >= 7.
 1.27  24-Jun-2019  wiz nouveau uses firmload, add dependency.
 1.26  04-Feb-2019  mrg add -Wno-error=int-in-bool-context or -Wno-error=implicit-fallthrough
for various drm files that would be best ignored or upstream fixed.
(could fix savagedrm, no one upstream is that any more.)
 1.25  27-Jan-2019  kre Fix merge botch
 1.24  27-Jan-2019  pgoyette Merge the [pgoyette-compat] branch
 1.23  14-Oct-2018  riastradh Limit warning suppression to nouveau files.

Make this match what I have in my drmkms update.

Please don't touch files under sys/external/bsd/drm2 without
consulting me while I'm updating drmkms!
 1.22  12-Oct-2018  christos nouveau_nv50_display.c and nouveau_nvif_client.c have variable structures
not at the end of a structure.
 1.21  27-Aug-2018  riastradh Tag files.* with newer config version where needed.
 1.20  27-Aug-2018  riastradh Tag with nouveau, not just nouveau_pci, to get CWARNFLAGS.nouveau.
 1.19  27-Aug-2018  riastradh Make drmkms build without drmkms_pci.
 1.18  27-Aug-2018  riastradh Draft support for drm prime.
 1.17  27-Aug-2018  riastradh Teach nouveau to read its own header files.
 1.16  27-Aug-2018  riastradh regen files.nouveau
 1.15  27-Aug-2018  riastradh Replace nouveau per-file warning options by nouveau-wide options.
 1.14  11-Feb-2016  riastradh branches: 1.14.16; 1.14.18;
Set nouveau to a more reasonable debug level.

Match the compile-time and default run-time settings in Linux.
 1.13  29-Jan-2016  joerg Restrict -Wno-unused-but-set-variable to gcc.
 1.12  22-Oct-2015  jmcneill sprinkle -Wno-missing-field-initializers
 1.11  18-Oct-2015  jmcneill Backport GK20A support from linux-3.16.

commits: 53d206bb4aadba255d20b70893ed5ba1d89f41e1
88ff3f5f63370a8ff5b0e34bdb58144bf1c2fa9b
90a5500c2bf0e83cd965128fce9ac1f5fa4f04f5
fef94f6272c6d1ce1c9177770f50f7281d61f5f6
86ebef722dab7f9ea4c5753640ef7d660c681985
b7c852a646b12051e61c4dde4ddaa6c14af9c80b
370eec76b67430f6055ebda07c820f02288d93b8
a4d4bbf130724c9a9a3dff673eb9342f1dbe2392
52e98f1a84094f9cfb36d02a73bc4271a71c70eb

ok riastradh@
 1.10  17-Oct-2015  jmcneill nouveau_pci.c depends on nouveau_pci condition, not nouveau
 1.9  17-Oct-2015  jmcneill Split nouveau@pci from nouveau so we can attach it to other busses.
nouveaufb still depends on nouveau_pci, but it is not applicable to
non-PCI devices anyway.
 1.8  06-Mar-2015  riastradh One last round for nouveau. It links!
 1.7  25-Feb-2015  riastradh Another round of nouveau whack-a-mole.

Nouveau compiles now, though it doesn't link yet.

Need to write driver attachment, wscons framebuffer, &c. Probably
also some i2c stuff.
 1.6  25-Feb-2015  riastradh Another round of whack-a-mole with nouveau.
 1.5  25-Feb-2015  riastradh Another round of nouveau whack-a-mole.

Derived from a patch by chs@.
 1.4  03-Dec-2014  riastradh nouveau_nv50_fence.c needs -Wno-shadow.
 1.3  23-Aug-2014  riastradh branches: 1.3.2;
Another round of nouveau whack-a-mole.
 1.2  06-Aug-2014  riastradh branches: 1.2.2; 1.2.4; 1.2.6;
Whack some nouveau moles.
 1.1  06-Aug-2014  riastradh Add local support files for nouveau.
 1.2.6.3  03-Dec-2017  jdolecek update from HEAD
 1.2.6.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.2.6.1  06-Aug-2014  tls file files.nouveau was added on branch tls-maxphys on 2014-08-20 00:04:22 +0000
 1.2.4.5  15-Apr-2016  snj Pull up following revision(s) (requested by riastradh in ticket #1157):
sys/external/bsd/drm2/dist/drm/nouveau/core/core/nouveau_core_subdev.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/device/nouveau_engine_device_base.c: revisions 1.9, 1.10
sys/external/bsd/drm2/dist/drm/nouveau/core/include/core/namedb.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/bar/nouveau_subdev_bar_base.c: revisions 1.4, 1.5
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/instmem/nouveau_subdev_instmem_nv40.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.c: revision 1.8
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.h: revision 1.4
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.4
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv10_fence.c: revision 1.3
sys/external/bsd/drm2/include/linux/delay.h: revision 1.4
sys/external/bsd/drm2/include/linux/spinlock.h: revision 1.7
sys/external/bsd/drm2/nouveau/files.nouveau: revision 1.14
sys/external/bsd/drm2/nouveau/nouveau_pci.c: revision 1.7
Set nouveau to a more reasonable debug level.
Match the compile-time and default run-time settings in Linux.
--
Pass a sensible device state pointer to nouveau suspend/resume ops.
Gives nouveau half a chance of suspending and resuming -- not that it
works on my test laptop yet, but it's a start.
--
Fix bus_space_subregion error branch.
Return error code, not 0 (!), on bus_space_subregion failure.
In answer to `XXX error branch' comment: if nouveau_barobj_ctor
fails, then the caller will call nouveau_barobj_dtor too. So there's
no leak here.
Unlikely to fix any observed bugs with nouveau -- there's no error
branch in the Linux side here. But maybe it will catch some other
bug earlier.
--
Map the same mmio size as Linux does.
Unlikely to have practical consequences -- just reduces differences
in behaviour from upstream, to rule them out.
--
Print error code for failure to map PRAMIN BAR.
--
In msleep use mdelay if cold
--
Use only the low 32 bits of the bar object's vma offset as intended.
Should fix PR kern/50372, seen by everyone trying to use nouveau on
amd64 with hardware that uses nv50-style BARs and not nvc0-style
BARs.
--
Destroy the lock before caller frees memory.
--
Destroy spin locks appropriately.
--
Destroy the mutex before free.
--
Provide reader/writer semantics with recursive readers.
--
Exclude VRAM and FIFO regions from MMIO register mapping.
Nouveau maps those separately, and it is not trivial to convert those
mappings to bus_space_subregion.
 1.2.4.4  11-Feb-2016  snj Pull up following revision(s) (requested by riastradh in ticket #1092):
sys/external/bsd/drm2/nouveau/files.nouveau: revision 1.9
sys/external/bsd/drm2/nouveau/nouveau_module.c: revision 1.4
sys/external/bsd/drm2/nouveau/nouveau_pci.c: revision 1.4
sys/external/bsd/drm2/nouveau/nouveau_pci.h: revision 1.2
sys/external/bsd/drm2/nouveau/nouveaufb.c: revision 1.3
Split nouveau@pci from nouveau so we can attach it to other busses.
nouveaufb still depends on nouveau_pci, but it is not applicable to
non-PCI devices anyway.
 1.2.4.3  06-Mar-2015  snj Pull up following revision(s) (requested by mrg in ticket #573):
sys/external/bsd/common/include/linux/kernel.h: 1.5, 1.6
sys/external/bsd/drm2/dist/drm/drm_ioctl.c: 1.4
sys/external/bsd/drm2/dist/drm/drm_irq.c: 1.6-1.8
sys/external/bsd/drm2/dist/drm/i915/i915_dma.c: 1.13-1.15
sys/external/bsd/drm2/dist/drm/i915/i915_gem.c: 1.23-1.27
sys/external/bsd/drm2/dist/drm/i915/i915_gem_execbuffer.c: 1.5
sys/external/bsd/drm2/dist/drm/i915/intel_display.c: 1.14, 1.15
sys/external/bsd/drm2/dist/drm/i915/intel_dp.c: 1.10
sys/external/bsd/drm2/dist/drm/i915/intel_drv.h: 1.8
sys/external/bsd/drm2/dist/drm/i915/intel_i2c.c: 1.8-1.13
sys/external/bsd/drm2/dist/drm/i915/intel_pm.c: 1.6
sys/external/bsd/drm2/dist/drm/i915/intel_ringbuffer.c: 1.5, 1.6
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/device/nouveau_engine_device_base.c: 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/fifo/nouveau_engine_fifo_nvc0.c: 1.3, 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/fifo/nouveau_engine_fifo_nve0.c: 1.3, 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/include/core/device.h: 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/include/subdev/mc.h: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/include/subdev/pwr.h: 1.3, 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/os.h: 1.4, 1.5
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/bios/nouveau_subdev_bios_base.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/bios/nouveau_subdev_bios_pll.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/clock/nouveau_subdev_clock_base.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/clock/nouveau_subdev_clock_nv50.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/devinit/fbmem.h: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/devinit/nouveau_subdev_devinit_nv04.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/fb/nouveau_subdev_fb_nv50.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/fb/nouveau_subdev_fb_nvc0.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/fb/nv50.h: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/fb/nvc0.h: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/mc/nouveau_subdev_mc_base.c: 1.2, 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/mxm/nouveau_subdev_mxm_nv50.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/pwr/nouveau_subdev_pwr_base.c: 1.3, 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/therm/nouveau_subdev_therm_ic.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/timer/nouveau_subdev_timer_nv04.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/vm/nouveau_subdev_vm_base.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/vm/nouveau_subdev_vm_nv04.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/vm/nouveau_subdev_vm_nv44.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/vm/nv04.h: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_bo.h: 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.c: 1.4, 1.5
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fbcon.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv50_display.c: 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv84_fence.c: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_ttm.c: 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_ttm.h: 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_vga.h: 1.2
sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c: 1.6-1.8
sys/external/bsd/drm2/dist/drm/radeon/radeon_pm.c: 1.3
sys/external/bsd/drm2/dist/drm/radeon/rs400.c: 1.3
sys/external/bsd/drm2/dist/drm/via/via_dmablit.c: 1.3, 1.4
sys/external/bsd/drm2/dist/drm/via/via_drv.h: 1.3
sys/external/bsd/drm2/dist/drm/via/via_irq.c: 1.3, 1.4
sys/external/bsd/drm2/dist/drm/via/via_video.c: 1.3, 1.4
sys/external/bsd/drm2/dist/include/drm/drmP.h: 1.10
sys/external/bsd/drm2/dist/include/drm/drm_crtc.h: 1.4
sys/external/bsd/drm2/dist/include/drm/drm_modes.h: 1.3
sys/external/bsd/drm2/dist/uapi/drm/i915_drm.h: 1.2
sys/external/bsd/drm2/drm/drm_cache.c: 1.4-1.6
sys/external/bsd/drm2/drm/drm_drv.c: 1.14
sys/external/bsd/drm2/drm/drm_module.c: 1.10
sys/external/bsd/drm2/drm/drm_sysctl.c: 1.5
sys/external/bsd/drm2/drm/drm_vma_manager.c: 1.2
sys/external/bsd/drm2/drm/drmfb.c: 1.1
sys/external/bsd/drm2/drm/files.drmkms: 1.10, 1.11
sys/external/bsd/drm2/i2c/drm_encoder_slave.c: 1.1
sys/external/bsd/drm2/i915drm/files.i915drmkms: 1.7, 1.10
sys/external/bsd/drm2/i915drm/intelfb.c: 1.11, 1.12
sys/external/bsd/drm2/include/asm/io.h: 1.4
sys/external/bsd/drm2/include/asm/unaligned.h: 1.2, 1.3
sys/external/bsd/drm2/include/drm/drm_encoder_slave.h: 1.1
sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h: 1.7-1.11
sys/external/bsd/drm2/include/drm/drmfb.h: 1.1
sys/external/bsd/drm2/include/drm/drmfb_pci.h: 1.1, 1.2
sys/external/bsd/drm2/include/linux/bitops.h: 1.9
sys/external/bsd/drm2/include/linux/i2c.h: 1.7, 1.8
sys/external/bsd/drm2/include/linux/io-mapping.h: 1.5
sys/external/bsd/drm2/include/linux/moduleparam.h: 1.5
sys/external/bsd/drm2/include/linux/pci.h: 1.12-1.15
sys/external/bsd/drm2/include/linux/pm.h: 1.4
sys/external/bsd/drm2/include/linux/reboot.h: 1.2
sys/external/bsd/drm2/include/linux/slab.h: 1.5
sys/external/bsd/drm2/include/linux/string.h: 1.4
sys/external/bsd/drm2/include/linux/vgaarb.h: 1.3
sys/external/bsd/drm2/include/linux/ww_mutex.h: 1.10
sys/external/bsd/drm2/linux/files.drmkms_linux: 1.8
sys/external/bsd/drm2/linux/linux_i2c.c: 1.3
sys/external/bsd/drm2/linux/linux_ww_mutex.c: 1.1
sys/external/bsd/drm2/nouveau/files.nouveau: 1.5-1.8
sys/external/bsd/drm2/nouveau/nouveau_pci.c: 1.1-1.3
sys/external/bsd/drm2/nouveau/nouveau_pci.h: 1.1
sys/external/bsd/drm2/nouveau/nouveau_sysfs.c: 1.1
sys/external/bsd/drm2/nouveau/nouveau_vga.c: 1.1
sys/external/bsd/drm2/nouveau/nouveaufb.c: 1.1
sys/external/bsd/drm2/nouveau/nouveaufb.h: 1.1
sys/external/bsd/drm2/pci/drm_pci.c: 1.10-1.12
sys/external/bsd/drm2/pci/drm_pci_module.c: 1.4
sys/external/bsd/drm2/pci/drmfb_pci.c: 1.1-1.3
sys/external/bsd/drm2/pci/files.drmkms_pci: 1.5
sys/external/bsd/drm2/radeon/radeon_pci.c: 1.5-1.7
sys/modules/drmkms/Makefile: 1.8, 1.9
sys/modules/drmkms_linux/Makefile: 1.6
sys/modules/drmkms_pci/Makefile: 1.5
sync drm2 with HEAD.
 1.2.4.2  11-Jan-2015  snj Pull up following revision(s) (requested by chs in ticket #401):
distrib/sets/lists/modules/md.amd64: revisions 1.46, 1.47 via patch
distrib/sets/lists/modules/md.i386: revisions 1.49, 1.50
sys/dev/ic/pcdisplayvar.h: revision 1.20
sys/dev/ic/vgavar.h: revision 1.32
sys/external/bsd/drm/dist/bsd-core/drm_drv.c: revision 1.26
sys/external/bsd/drm2/dist/drm/drm_agpsupport.c: revisions 1.5, 1.6
sys/external/bsd/drm2/dist/drm/drm_pci.c: revisions 1.4, 1.5
sys/external/bsd/drm2/dist/drm/drm_stub.c: revisions 1.6-1.8
sys/external/bsd/drm2/dist/drm/i915/i915_drv.h: revision 1.11
sys/external/bsd/drm2/dist/drm/radeon/cik.c: revision 1.3
sys/external/bsd/drm2/dist/drm/radeon/ni.c: revision 1.3
sys/external/bsd/drm2/dist/drm/radeon/si.c: revision 1.3
sys/external/bsd/drm2/dist/include/drm/drmP.h: revisions 1.8, 1.9
sys/external/bsd/drm2/dist/include/drm/drm_agpsupport.h: revisions 1.3, 1.4
sys/external/bsd/drm2/drm/drm_drv.c: revision 1.11
sys/external/bsd/drm2/drm/drm_module.c: revision 1.9
sys/external/bsd/drm2/drm/drm_sysctl.c: revisions 1.1-1.4
sys/external/bsd/drm2/drm/drm_vm.c: revision 1.7
sys/external/bsd/drm2/drm/files.drmkms: revisions 1.8, 1.9
sys/external/bsd/drm2/i915drm/files.i915drmkms: revision 1.9
sys/external/bsd/drm2/i915drm/i915_module.c: revisions 1.4, 1.5
sys/external/bsd/drm2/include/drm/drm_sysctl.h: revisions 1.1, 1.2
sys/external/bsd/drm2/include/linux/hdmi.h: revisions 1.3-1.5
sys/external/bsd/drm2/include/linux/module.h: revision 1.5
sys/external/bsd/drm2/include/linux/moduleparam.h: revisions 1.3, 1.4
sys/external/bsd/drm2/include/linux/pci.h: revision 1.11
sys/external/bsd/drm2/linux/linux_module.c: revision 1.5
sys/external/bsd/drm2/nouveau/files.nouveau: revision 1.4
sys/external/bsd/drm2/nouveau/nouveau_module.c: revision 1.3
sys/external/bsd/drm2/pci/drm_pci.c: revision 1.8
sys/external/bsd/drm2/pci/drm_pci_module.c: revision 1.3
sys/external/bsd/drm2/radeon/radeon_module.c: revision 1.3
sys/external/bsd/drm2/ttm/files.ttm: revision 1.1
sys/modules/drm2pci/Makefile: file removal
sys/modules/drmkms/Makefile: revisions 1.4-1.7
sys/modules/drmkms_linux/Makefile: revision 1.5
sys/modules/drmkms_pci/Makefile: revisions 1.3, 1.4
sys/modules/i915drmkms/Makefile: revisions 1.5-1.7
Split drm ttm config into a separate file.
--
Fix module build of drmkms_linux.
--
Remove vestigial drm2pci module, replaced by drmkms_pci.
--
fix the module class.
--
add the drmkms modules
--
make a drm_agp_destroy() function to resolve the circular dependency between
drmkms and drmkms_pci
--
finalize the idr code.
--
add drm_agp_destroy
--
fix drmkms module path for xen.
--
fix build failure.
/tmp/bracket/build/2014.11.10.22.43.46-i386/src/sys/external/bsd/drm2/include/linux/pci.h:36:20: fatal error: acpica.h: No such file or directory
--
make this work: add agpsupport and sysctl code
--
move agpsupport to drmkms to avoid circular dependencies.
--
turn on dynamic ldscript creation to handle link set symbol definitions
used in the automatic sysctl creation.
--
Add __link_set based code to automatically convert the linux module parameters
into sysctls.
--
this module needs MKLDSCRIPT too now
--
more _KERNEL_OPT
--
prettify and add to all the modules that have it.
--
fix description setting.
--
Adjust flags to allow building with clang.
--
Fix build with clang.
--
Drop casts in favour of expressions that actually give the right
pointer.
--
Move all PCI/AGP code back to drmkms_pci module where it belongs.
--
Use correct length for hdmi_infoframe_header_pack in <linux/hdmi.h>.
Fixes PR kern/49411.
--
Back out previous, fix PR kern/49411 correctly.
frame->header.length is not initialized in the vendor packet case.
Instead, make hdmi_infoframe_header_pack take the packet length and
subtract the size of the header when packing the header.
(Could make it take the payload length instead, but for callers it is
more convenient to have a name for the whole packet length.)
--
Fix bounds checking in hdmi_infoframe_header_pack (PR kern/49411).
--
Trivial build fix for no options SYSCTL_INCLUDE_DESCR case, to
avoid -Werror.
OK christos@ and riastradh@
--
fix debugging compilation (ALL kernel)
--
nouveau_nv50_fence.c needs -Wno-shadow.
--
fix a confusion between dev_t and devmajor_t, and include the primary
minor when calling makedev().
 1.2.4.1  21-Sep-2014  snj Pull up following revision(s) (requested by riastradh in ticket #95):
sys/external/bsd/drm2/dist/drm/nouveau/core/include/subdev/fb.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv10_fence.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/bar/nouveau_subdev_bar_base.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/include/engine/device.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/include/subdev/pwr.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/nouveau_engine_xtensa.c: revision 1.2
sys/external/bsd/drm2/include/linux/bitops.h: revision 1.8
sys/external/bsd/drm2/dist/drm/nouveau/dispnv04/nouveau_dispnv04_tvnv17.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/dispnv04/nouveau_dispnv04_tvmodesnv17.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/include/core/device.h: revision 1.3
sys/external/bsd/drm2/include/drm/drm_agp_netbsd.h: revision 1.4
sys/external/bsd/drm2/include/linux/spinlock.h: revision 1.4
sys/external/bsd/drm2/include/linux/pm_runtime.h: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/crypt/nouveau_engine_crypt_nv98.c: revision 1.2
sys/external/bsd/drm2/nouveau/files.nouveau: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/disp/nouveau_engine_disp_dacnv50.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/fifo/nouveau_engine_fifo_nve0.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/disp/nouveau_engine_disp_nv50.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_gem.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_bo.c: revision 1.5
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/perfmon/nouveau_engine_perfmon_base.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/crypt/nouveau_engine_crypt_nv84.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/graph/nouveau_engine_graph_nv50.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/fifo/nouveau_engine_fifo_nvc0.c: revision 1.2
sys/external/bsd/drm2/include/linux/vmalloc.h: revision 1.4
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/fifo/nve0.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/instmem/nv04.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/fifo/nouveau_engine_fifo_base.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/disp/nouveau_engine_disp_nvd0.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/disp/nouveau_engine_disp_nv04.c: revision 1.2
sys/external/bsd/drm2/nouveau/nouveau_module.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/instmem/nouveau_subdev_instmem_nv40.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/graph/nouveau_engine_graph_gm107.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/graph/nouveau_engine_graph_ctxnvd7.c: revision 1.2
sys/external/bsd/drm2/include/linux/mutex.h: revision 1.7
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/disp/nv50.h: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/device/nouveau_engine_device_base.c: revision 1.3
sys/external/bsd/drm2/include/linux/i2c.h: revision 1.6
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/graph/nouveau_engine_graph_nvc0.c: revision 1.2
sys/external/bsd/drm2/include/linux/pagemap.h: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/instmem/nouveau_subdev_instmem_nv04.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/engine/copy/nouveau_engine_copy_nva3.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv50_display.c: revision 1.2
sys/external/bsd/drm2/dist/drm/nouveau/core/include/subdev/bar.h: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/pwr/nouveau_subdev_pwr_base.c: revision 1.2
Another round of nouveau whack-a-mole.
 1.2.2.2  10-Aug-2014  tls Rebase.
 1.2.2.1  06-Aug-2014  tls file files.nouveau was added on branch tls-earlyentropy on 2014-08-10 06:55:40 +0000
 1.3.2.3  19-Mar-2016  skrll Sync with HEAD
 1.3.2.2  27-Dec-2015  skrll Sync with HEAD (as of 26th Dec)
 1.3.2.1  06-Apr-2015  skrll Sync with HEAD
 1.14.18.2  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.14.18.1  10-Jun-2019  christos Sync with HEAD
 1.14.16.2  20-Oct-2018  pgoyette Sync with head
 1.14.16.1  06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.28.2.1  29-Feb-2020  ad Sync with head.
 1.29.14.1  06-Jun-2021  cjep sync with head
 1.29.10.1  17-Jun-2021  thorpej Sync w/ HEAD.
 1.38.4.1  04-Oct-2024  martin Pull up following revision(s) (requested by rin in ticket #928):

sys/external/bsd/drm2/dist/drm/drm_gem.c: revision 1.25
sys/external/bsd/drm2/dist/drm/radeon/radeon_ci_dpm.c: revision 1.7
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/device/priv.h: revision 1.4
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/device/nouveau_nvkm_engine_device_acpi.c: revision 1.4
sys/external/bsd/drm2/dist/drm/i915/display/intel_opregion.h: revision 1.6
sys/external/bsd/drm2/dist/drm/i915/i915_drv.h: revision 1.49
sys/external/bsd/drm2/include/linux/mxm-wmi.h: revision 1.1
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/pci/nouveau_nvkm_subdev_pci_pcie.c: revision 1.4
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/device/nouveau_nvkm_engine_device_base.c: revision 1.13
sys/external/bsd/common/include/linux/bitops.h: revision 1.17
sys/external/bsd/drm2/nouveau/files.nouveau: revision 1.40
sys/external/bsd/drm2/linux/linux_pci.c: revision 1.30
sys/external/bsd/drm2/dist/drm/radeon/radeon_drv.h: revision 1.5
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/pci/nouveau_nvkm_subdev_pci_pcie.c: revision 1.5
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/mxm/nouveau_nvkm_subdev_mxm_base.c: revision 1.5
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_gart.c: revision 1.12
sys/external/bsd/drm2/dist/drm/radeon/radeon_rv770.c: revision 1.3
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/disp/nouveau_nvkm_engine_disp_sorgm200.c: revision 1.3
sys/external/bsd/common/include/linux/printk.h: revision 1.14
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/instmem/nouveau_nvkm_subdev_instmem_gk20a.c: revision 1.10
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_vi.c: revision 1.4
sys/external/bsd/drm2/include/linux/acpi.h: revision 1.11
sys/external/bsd/drm2/drm/drm_cdevsw.c: revision 1.31
sys/external/bsd/drm2/dist/drm/radeon/radeon_si.c: revision 1.6
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_acpi.c: revision 1.5
sys/external/bsd/drm2/dist/drm/i915/display/intel_acpi.h: revision 1.5
sys/external/bsd/drm2/include/acpi/video.h: revision 1.3
sys/external/bsd/drm2/dist/drm/radeon/radeon_evergreen.c: revision 1.6
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_acpi.h: revision 1.4
sys/arch/sparc64/include/pci_machdep.h: revision 1.31
sys/arch/sparc64/dev/pci_machdep.c: revision 1.83
sys/external/bsd/drm2/include/linux/kref.h: revision 1.14
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/device/nouveau_nvkm_engine_device_pci.c: revision 1.12
sys/external/bsd/drm2/linux/linux_dma_buf.c: revision 1.17
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/bios/nouveau_nvkm_subdev_bios_shadowacpi.c: revision 1.4
sys/external/bsd/drm2/drm/drm_module.c: revision 1.32
sys/external/bsd/drm2/dist/drm/i915/i915_gem.h: revision 1.8
sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_dmabuf.c: revision 1.7
sys/external/bsd/drm2/include/linux/smp.h: revision 1.5
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_si.c: revision 1.5
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_device.c: revision 1.20
sys/arch/x86/x86/bus_dma.c: revision 1.91
sys/external/bsd/drm2/radeon/files.radeon: revision 1.40
sys/external/bsd/drm2/include/acpi/acpi_bus.h: revision 1.1
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drv.h: revision 1.5
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_device.c: revision 1.21
sys/external/bsd/common/include/asm/barrier.h: revision 1.20
sys/external/bsd/drm2/include/linux/nbsd-namespace-acpi.h: revision 1.2
sys/external/bsd/common/include/asm/barrier.h: revision 1.21
sys/modules/drmkms/drmkms_pci.h: revision 1.1
sys/external/bsd/drm2/dist/drm/drm_dp_helper.c: revision 1.17
sys/external/bsd/drm2/radeon/radeon_pci.c: revision 1.23
sys/external/bsd/drm2/linux/linux_xa.c: revision 1.4
sys/external/bsd/drm2/ttm/ttm_bo_vm.c: revision 1.23
sys/external/bsd/drm2/ttm/ttm_bo_vm.c: revision 1.24
sys/external/bsd/drm2/ttm/ttm_bo_vm.c: revision 1.25
sys/external/bsd/drm2/linux/linux_pci.c: revision 1.26
sys/dev/pci/pcivar.h: revision 1.120
sys/arch/xen/include/pci_machdep.h: revision 1.24
sys/external/bsd/drm2/ttm/ttm_bo_vm.c: revision 1.26
sys/external/bsd/drm2/linux/linux_pci.c: revision 1.27
sys/external/bsd/drm2/ttm/ttm_bo_vm.c: revision 1.27
sys/external/bsd/drm2/linux/linux_pci.c: revision 1.28
sys/external/bsd/drm2/dist/drm/radeon/radeon_cik.c: revision 1.8
sys/external/bsd/drm2/ttm/ttm_bo_vm.c: revision 1.28
sys/external/bsd/drm2/linux/linux_pci.c: revision 1.29
sys/external/bsd/drm2/include/linux/pci.h: revision 1.57
sys/external/bsd/drm2/include/linux/pci.h: revision 1.58
sys/external/bsd/drm2/dist/drm/radeon/radeon_acpi.c: revision 1.5
sys/external/bsd/drm2/dist/drm/nouveau/nouveau_display.c: revision 1.6
sys/external/bsd/drm2/dist/drm/amd/powerplay/hwmgr/amdgpu_hwmgr.c: revision 1.3
sys/external/bsd/drm2/dist/drm/amd/display/dc/core/amdgpu_dc_stream.c: revision 1.3
share/man/man9/bus_dma.9: revision 1.69
sys/external/bsd/drm2/drm/drm_gem_cma_helper.c: revision 1.15
sys/external/bsd/drm2/dist/drm/radeon/radeon_acpi.c: revision 1.6
sys/external/bsd/drm2/dist/drm/radeon/radeon.h: revision 1.12
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_cik.c: revision 1.7
sys/dev/acpi/acpi_mcfg.c: revision 1.29
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_acpi.c: revision 1.6
sys/external/bsd/drm2/dist/drm/radeon/radeon_r600.c: revision 1.7
sys/external/bsd/drm2/dist/drm/radeon/radeon_bios.c: revision 1.13
sys/modules/amdgpu/Makefile: revision 1.9
sys/external/bsd/drm2/dist/drm/radeon/radeon_bios.c: revision 1.14
sys/external/bsd/common/linux/linux_tasklet.c: revision 1.12
sys/external/bsd/drm2/dist/drm/nouveau/include/nvkm/core/device.h: revision 1.10
sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c: revision 1.23
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu.h: revision 1.9
sys/external/bsd/drm2/include/linux/interval_tree.h: revision 1.14
sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c: revision 1.26
sys/external/bsd/drm2/dist/drm/amd/powerplay/hwmgr/amdgpu_smu7_hwmgr.c: revision 1.5
sys/dev/pci/pci.c: revision 1.168
sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c: revision 1.27
sys/external/bsd/drm2/dist/drm/radeon/radeon_si_dpm.c: revision 1.9
sys/external/bsd/drm2/pci/files.drmkms_pci: revision 1.18
sys/external/bsd/drm2/linux/linux_sync_file.c: revision 1.3
sys/external/bsd/drm2/amdgpu/files.amdgpu: revision 1.31
sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/device/nouveau_nvkm_engine_device_tegra.c: revision 1.4
sys/external/bsd/drm2/dist/drm/drm_gem.c: revision 1.24
sys/arch/xen/xen/xpci_xenbus.c: revision 1.29

drm: Eliminate __HAVE_ATOMIC_AS_MEMBAR conditionals.
Discussed on tech-kern:
https://mail-index.netbsd.org/tech-kern/2023/02/23/msg028729.html

linux asm/barrier.h: Fix !MULTIPROCESSOR build.

remove "nouveau" from a comment. noted by jmcneill.

drm: KASSERT(A && B) -> KASSERT(A); KASSERT(B)
comment a function that has a clear overbounds read but it isn't used.
found by GCC 12.

nix the NetBSD specific GEM_BUG_ON().
avoids GCC 12 warnings, and matches upstream closer.
avoid uninitialised variable usage in drm_gem_cma_create_internal().
in the case nothing has returned 'error', 'nsegs' and the dma info
are (potentially) uninitialised, so consider this an error.
found by GCC 12.

avoid a GCC 12 warning.
there's a 1-element long array and a loop conditional that tries to see
if indexes for it are not identical. as these indexes will always both
be 0, the only valid index, the condition is always false. GCC 12
triggers a strange warning on this code that can never run (see below),
so simply assert the array size is 1 and comment the rest.
amdgpu_dc_stream.c:470:55: error: array subscript [0, 0] is outside array bounds of 'struct dc_writeback_info[1]' [-Werror=array-bounds]
470 | stream->writeback_info[j] = stream->writeback_info[i];

convert a KASSERT() into an if () panic() sequence to appease GCC 12.
OK riastradh@.

drm: Fix conditionals around drmkms_pci and agp.
Kernel should build now with all pci drm drivers stripped out but
DRM_LEGACY still enabled. (Might not be very useful, but it'll
build. Maybe we should also have DRM_LEGACY_PCI so those drivers can
be modloaded later.)

drmkms: Fix module build.
avoid an unlikely array bounds issue picked up by GCC 12.
nvkm_pcie_speed() can return -1, which is then used as an array index,
so make this default return PCIe 1.0 speeds.

drm: enable almost all PCIe functionality
linux_pci.c revisions 1.24 and 1.25 implemented most of the remaining
missing PCIe backends, but only enabled them for some amdgpu portions.
this enables all code marked with "XXX amdgpu pcie", "XXX radeon pcie",
and "XXX pcie speed". for most of it, simply removing #ifndefs __NetBSD__
to enable compliation was required, once the new "bus->max_bus_speed"
member was added to struct pci_bus. add an "always fails" backend for
pci_enable_atomic_ops_to_root() which seems to only be necessary
for virtual GPU functionality (and could be implemented if needed.)
tested on radeon 5450, 7750, R7 240 [radeon], and RX 550 [amdgpu], and
nvidia 750 and 1030 [nouveau].
this still does not quite work on nvidia cards. there are two problems
that remain:
- the call to set the link speed is skipped because the speed is set
to the default value of "-1". nvkm_pcie_set_link() will actually
determine the right value for this and for some cards, calling this
function if the current speed is -1 helps set the link speed. it
may be that on linux other paths we don't have enabled properly
would set this (there's one via debugfs, and a jetson specific one,
though perhaps setting either AC or DC speed values as boot options
(after hooking up these for netbsd) would currently work.
- worse, cards newer than kepler - geforce 900, 1000, and newer, are
all lacking the backing support to set pcie link speed. the GT 1030
card i have been testing with remains at pcie 1.0.

radeon: fix and enable ACPI methods for getting ROM BIOS
The hacky way of getting the BIOS mapped only works on x86. ACPI
should be preferred if available. Makes BIOS reading though VFCT
work on aarch64 with EDK2. (But only if EDK2 has POSTed the GPU.)
XXX amdgpu should get the same treatment.

drm: put_cpu() should enable preemption, not disable it again

drm(4): make pr_debug equivalent to aprint_debug
significantly reduces the default spam from amdgpu(4).

drm: Set CONFIG_ACPI in linux/acpi.h and make it build.

Leave a little ACPI-related functionality disabled for now, like
getting EDID out of ACPI -- needs a bit more work to make this work,
and I don't have hardware to work on that.
Should help with failures of the forms:
- unable to locate a BIOS ROM
- bios: unable to locate usable image
on various machines.

radeon_acpi.c: ifdef out unused function on NetBSD.
Should fix syzkaller build.

drm(4): Fix st_rdev in stat.
dminor->index already has the 64*type adjustment, as allocated in
drm_minor_alloc.
PR kern/58180

linux_sync_file: Fix missing init/fini steps.
Noted by rjs@.
PR kern/58210

ttm: Sync ttm_bo_uvm_fault_idle better with Linux.
PR xsrc/58133
ttm: Undo mistake in previous.

PR xsrc/58133
linux: Add a few more cases to pci_get_class.
Should fix crash on boot with amdgpu now that the ACPI business is
enabled.

i915: Fix dmabuf mmap object.

drm: Fix missing bounds checks in dma buf mmap.

drm_gem.c: Fix sense of assertion.
This is the opposite of WARN_ON.
Noted by rjs@.

drm_gem.c: Enable drm_gem_fence_array_add now that we emulate xa.
linux_xa: Delete and replace collision in xa_store as intended.
Don't free the colliding node that's still in the tree.
Noted by rjs@.

i915_gem_mman.c: Apply mmap types via pmap flags.
This way, userland gets buffers mapped write-combining or uncached as
needed.
PR xsrc/58307

x86: Teach bus_dmamem_map about BUS_DMA_PREFETCHABLE.
PR port-amd64/58308

bus_dma(9): Document BUS_DMA_PREFETCHABLE.
Like BUS_DMA_NOCACHE. Doesn't absolve you of the need for
bus_dmamap_sync, but if you later pass the vaddr to bus_dmamap_load,
the DMA map might notice the mapping is write-combining and use this
to make bus_dmamap_sync cheaper.
PR kern/58309

nouveau_nvkm_subdev_instmem_gk20a.c: Use BUS_DMA_PREFETCHABLE.
Matches Linux's pgprot_writecombine.
Unclear where the appropriate bus_dmamap_sync happens, or is supposed
to happen -- not using it would be wrong, but asking for a
prefetchable mapping may paper over symptoms, at least!

ttm: Sync more with Linux.
Add the original copyright and attribution since this is now,
intentionally, a modified copy of the original and not just roughly
the same algorithm.

ttm: Respect PGO_ALLPAGES.
Not sure this is useful but it reduces XXX's and makes this match
udv_fault better so it's easier to understand.

ttm: Sync cacheability flag logic with Linux.

ttm: Add XXX about readahead fault failures.

pci: Pass cookie through pci_find_device, pci_enumerate_bus, take 2.
New functions pci_find_device1 and pci_enumerate_bus1 have the cookie
argument. Existing symbols pci_find_device and pci_enumerate_bus are
now wrappers for the cookieless version.
This will allow pci_find_device callers to pass a cookie through to
the match function so they can keep state or pass in extra parameters
like b/d/f numbers, which will allow us to nix some horrible kludges
in the Linux PCI API emulation for drm (and, perhaps, Intel wifi).
This change drops the symbol pci_probe_device, in favour of a new
pci_probe_device1 with the cookie argument. But I don't think that
requires a revbump because it's only called by MD pci_enumerate_bus1
implementations, which don't live in modules anyway.
Take 2: Make sure to handle NULL match function.
linux_pci: Nix pci enumeration kludges.
Now that we can pass a cookie through, this stuff will be a little
less fragile.

i915: Omit needless i915_gem_object_pin/unpin_pages cycle in fault.
vm_fault_cpu and vm_fault_gtt, called by i915_gem_fault, already do
the pinning and unpinning internally, so there is no need for
i915_gem_fault to do it.
No functional change intended, except that the transient pin count
will be one lower than before during the fault routine (but it will
still be positive).

i915: Match Linux fault routine return code actions.
Omit needless EINTR interception -- this is now handled by
i915_error_to_vmf_fault.
Earlier revert was over a false alarm -- bisection shows the new
warnings arose from linux_pci.c 1.29 here:
https://mail-index.netbsd.org/source-changes/2024/06/23/msg151929.html

linux_pci: Fix shifto in pci_get_class.
It looks like Linux's pci_get_class also matches the interface part
of the PCI class register (but not the revision part), and I hadn't
noticed that in the previous shim structured differently.

With GCC12 kernel ALL/amd64 triggers "'sor' may be used uninitialized".
If "sublinks & 3" is zero GCC is right and sor[1] may be returned unitialized.
Fix by initializing "sor" to zero to return -1 instead of uninitialized value.
Ok: Taylor R Campbell <riastradh@>

amdgpu: Map BAR 2, not BAR 5, on pre-bonaire chips.
PR kern/58384

amdgpu: Map consecutive pages, not the same one over and over again.
PR kern/58385

linux/bitops: Fix overestimate for BITS_TO_LONGS(9)
Fortunately, this seems harmless except for allocating
excessive buffer memory.
Pointed out by nonaka@, OK riastradh@.

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