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History log of /src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/device
RevisionDateAuthorComments
 1.3 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file Kbuild was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file Kbuild was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.3 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file acpi.h was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file acpi.h was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.3 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file ctrl.h was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file ctrl.h was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.4 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.
 1.3 18-Dec-2021  riastradh branches: 1.3.4;
Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file nouveau_nvkm_engine_device_acpi.c was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file nouveau_nvkm_engine_device_acpi.c was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.3.4.1 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@.
 1.13 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.
 1.12 19-Dec-2021  riastradh branches: 1.12.4;
Match Linux's criterion for byte-swapping on big-endian CPUs.

(forward-ported from r1.10 on HEAD)
 1.11 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.10 19-Apr-2020  riastradh Match Linux's criterion for byte-swapping on big-endian CPUs.
 1.9 14-Feb-2020  riastradh branches: 1.9.4;
Use a header file hack to cope with Linux/NetBSD namespace clashes.

Currently serves for:

ALIGN
mutex_init
mutex_destroy
 1.8 27-Aug-2018  riastradh branches: 1.8.2; 1.8.6; 1.8.10;
Be consistent about I/O byte ordering.

Leave XXX comments where it's not clear what we should do.
 1.7 27-Aug-2018  riastradh Allow nvkm_client_map to map subregions.

Linux ioremap does not care about overlapping mapped regions, but
bus_space_map does. Since nouveau ioremaps the entire register space
of BAR 0, and separately some subregions of it, we need to convey the
bus addresses in question to it in order to bus_space_subregion.

Kinda kludgey, but we don't care about running this in userland or
anything.

While here: initialize object->map.tag. Not physically necessary on
x86 as long as the x86_io_mem_tag is nonull, so this won't fix any
symptoms on x86, but it is wrong to leave it null.
 1.6 27-Aug-2018  riastradh Rename nouveau_devices_init/fini -> nvkm_devices_init/fini.

Matches newer upstream naming conventions better.
 1.5 27-Aug-2018  riastradh Fix typos. Use BUS_SPACE_MAP_LINEAR for vaddr later.
 1.4 27-Aug-2018  riastradh Fix 64-bit printfs.
 1.3 27-Aug-2018  riastradh Fix up some linux mutex init/destroy.
 1.2 27-Aug-2018  riastradh merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.8.10.1 29-Feb-2020  ad Sync with head.
 1.8.6.4 21-Apr-2020  martin Sync with HEAD
 1.8.6.3 08-Apr-2020  martin Merge changes from current as of 20200406
 1.8.6.2 10-Jun-2019  christos Sync with HEAD
 1.8.6.1 27-Aug-2018  christos file nouveau_nvkm_engine_device_base.c was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.8.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.8.2.1 27-Aug-2018  pgoyette file nouveau_nvkm_engine_device_base.c was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.9.4.1 20-Apr-2020  bouyer Sync with HEAD
 1.12.4.1 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@.
 1.3 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file nouveau_nvkm_engine_device_ctrl.c was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file nouveau_nvkm_engine_device_ctrl.c was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.12 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.
 1.11 19-Dec-2021  riastradh branches: 1.11.4;
Get nouveau compiling.
 1.10 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.9 17-Jan-2020  jmcneill Enable the device on NetBSD too (don't rely on firmware to do it for us).
 1.8 27-Aug-2018  riastradh branches: 1.8.2; 1.8.6; 1.8.10;
Device hangs on pci disable in match; try skipping enable/disable.
 1.7 27-Aug-2018  riastradh Use the struct device pointer that works, not the nonexistent one.
 1.6 27-Aug-2018  riastradh Guess the right cpu_coherent setting.
 1.5 27-Aug-2018  riastradh Tag the pci_enable/disable_device calls that seem necessary.
 1.4 27-Aug-2018  riastradh Ifdef out pci_device_enable/disable that pmf handles for us.
 1.3 27-Aug-2018  riastradh Fix typos in pci bus dma tag acquisition.
 1.2 27-Aug-2018  riastradh merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.8.10.1 17-Jan-2020  ad Sync with head.
 1.8.6.3 08-Apr-2020  martin Merge changes from current as of 20200406
 1.8.6.2 10-Jun-2019  christos Sync with HEAD
 1.8.6.1 27-Aug-2018  christos file nouveau_nvkm_engine_device_pci.c was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.8.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.8.2.1 27-Aug-2018  pgoyette file nouveau_nvkm_engine_device_pci.c was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.11.4.1 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@.
 1.4 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.
 1.3 18-Dec-2021  riastradh branches: 1.3.4;
Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file nouveau_nvkm_engine_device_tegra.c was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file nouveau_nvkm_engine_device_tegra.c was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.3.4.1 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@.
 1.8 19-Dec-2021  riastradh Get nouveau compiling.
 1.7 18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.6 27-Aug-2018  riastradh branches: 1.6.2; 1.6.6;
Mark some NetBSDisms as such.
 1.5 27-Aug-2018  riastradh Don't pass zero to __ffs64 -- it finds zero indigestible.
 1.4 27-Aug-2018  riastradh Sprinkle static on local functions with no prior prototypes.
 1.3 27-Aug-2018  riastradh Kludge to pass bus_space_tag through nvif mappings.

- New `ioctl' NVIF_IOCTL_V0_MAP_NETBSD returns bus_space_tag_t too.
. Blocked from userland. (Would only disclose a kernel virtual
address, so not terribly serious.)
- struct nvif_driver::map function takes bus_sapce_tag, returns
bus_space_handle in addition to kva pointer.
- struct nvif_driver::unmap function takes bus_space_tag and
bus_space_handle rather than kva pointer.
- Teach various nvkm object types to return bus space tags too.
- Map them all with BUS_SPACE_MAP_LINEAR so the vaddr works.

XXX The fifo channel might need to be mapped with a subregion.
XXX What to do?
 1.2 27-Aug-2018  riastradh merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.6.6.2 10-Jun-2019  christos Sync with HEAD
 1.6.6.1 27-Aug-2018  christos file nouveau_nvkm_engine_device_user.c was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.6.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.6.2.1 27-Aug-2018  pgoyette file nouveau_nvkm_engine_device_user.c was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.4 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.
 1.3 18-Dec-2021  riastradh branches: 1.3.4;
Merge linux-drm-v5-6-rc3
 1.2 27-Aug-2018  riastradh branches: 1.2.2; 1.2.6;
merge linux-drm-v4-4-143
 1.1 27-Aug-2018  riastradh branches: 1.1.1;
Initial revision
 1.1.1.2 18-Dec-2021  riastradh Import drm from Linux v5.6-rc3 (commit f8788d86ab28f61f7b46eb6be375f8a726783636)

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/include/uapi/drm

GPL exclusions in dist/drm:

- amd/amdgpu/amdgpu_atpx_handler.c
- arc/
- arm/
- armada/
- aspeed/
- atmel-hlcdc/
- bochs/
- bridge/
- cirrus/
- drm_dp_cec.c
- drm_dp_mst_topology_internal.h
- drm_edid_load.c
- drm_format_helper.c
- drm_gem_cma_helper.c
- drm_gem_framebuffer_helper.c
- drm_gem_shmem_helper.c
- drm_gem_ttm_helper.c
- drm_gem_vram_helper.c
- drm_hdcp.c
- drm_lease.c
- drm_mipi_dbi.c
- drm_simple_kms_helper.c
- drm_sysfs.c
- drm_trace.h
- drm_vram_helper_common.c
- drm_writeback.c
- etnaviv/
- exynos/
- fsl-dcu/
- gma500/
- hisilicon/
- i2c/tda9950.c
- i2c/tda998x_drv.c
- i915/gt/selftest_context.c
- i915/gt/selftest_engine.c
- i915/gt/selftest_engine.h
- i915/gt/selftest_engine_cs.c
- i915/gt/selftest_engine_pm.c
- i915/i915_trace.h
- i915/selftests/i915_live_selftests.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_perf_selftests.h
- i915/selftests/lib_sw_fence.h
- imx/
- ingenic/
- lima/
- mcde/
- mediatek/
- meson/
- mgag200/
- msm/
- mxsfb/
- omapdrm/
- panel/
- panfrost/
- pl111/
- radeon/radeon_atpx_handler.c
- rcar-du/
- rockchip/
- selftests/drm_cmdline_selftests.h
- selftests/drm_modeset_selftests.h
- selftests/test-drm_cmdline_parser.c
- selftests/test-drm_damage_helper.c
- selftests/test-drm_dp_mst_helper.c
- selftests/test-drm_format.c
- selftests/test-drm_framebuffer.c
- selftests/test-drm_modeset_common.c
- selftests/test-drm_modeset_common.h
- selftests/test-drm_plane_helper.c
- selftests/test-drm_rect.c
- shmobile/
- sti/
- stm/
- sun4i/
- tegra/
- tilcdc/
- tiny/
- tve200/
- udl/
- v3d/
- vc4/
- virtio/virtgpu_trace.h
- virtio/virtgpu_trace_points.c
- vkms/
- vmwgfx/device_include/vmware_pack_begin.h
- vmwgfx/device_include/vmware_pack_end.h
- zte/

Exceptions -- these all appear to be files to which someone added
an SPDX license header automatically by a script that is not aware
of the default MIT licensing under drivers/gpu/drm:

- ast/ast_dp501.c
- ast/ast_dram_tables.h
- lib/drm_random.c
- lib/drm_random.h
- i915/display/intel_acpi.c
- i915/selftests/mock_gem_device.h
- i915/selftests/i915_mock_selftests.h
- i915/selftests/i915_live_selftests.h
- r128/ati_pcigart.h
- selftests/drm_mm_selftests.h
- selftests/test-drm_mm.c
- vmwgfx/device_include/vm_basic_types.h

GPL exclusions in dist/include/drm:

- bridge
- drm_client.h
- drm_fb_cma_helper.h
- drm_format_helper.h
- drm_gem_cma_helper.h
- drm_gem_shmem_helper.h
- drm_gem_ttm_helper.h
- drm_gem_vram_helper.h
- drm_lease.h
- drm_mipi_dbi.h
- drm_mipi_dsi.h
- drm_of.h
- drm_simple_kms_helper.h
- drm_sysfs.h
- drm_writeback.h
- gma_drm.h
- i2c/tda998x.h
- i915_mei_hdcp_interface.h
- intel-gtt.h

Exceptions:
- drm_agpsupport.h - was in original drm; wrong spdx header auto-added

GPL exclusions in dist/include/uapi/drm:

- armada_drm.h
- etnaviv_drm.h
- exynos_drm.h
- lima_drm.h
- omap_drm.h

Exceptions:
- i810_drm.h - was in original drm; spdx header is wrong
 1.1.1.1 27-Aug-2018  riastradh Import drm from Linux v4.4.143 (commit a8ea6276d00555387deaaa5eaeb380cd5c17bdc9).

drivers/gpu/drm -> sys/external/bsd/drm2/dist/drm
include/drm -> sys/external/bsd/drm2/dist/include/drm
include/uapi/drm -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
 1.2.6.2 10-Jun-2019  christos Sync with HEAD
 1.2.6.1 27-Aug-2018  christos file priv.h was added on branch phil-wifi on 2019-06-10 22:08:16 +0000
 1.2.2.2 06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.2.2.1 27-Aug-2018  pgoyette file priv.h was added on branch pgoyette-compat on 2018-09-06 06:56:25 +0000
 1.3.4.1 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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