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History log of /src/sys/external/bsd/drm2/dist/drm/i915/display/intel_display.c
RevisionDateAuthorComments
 1.12  19-Dec-2021  riastradh i915: Suppress spurious -Wmaybe-uninitialized warnings.
 1.11  19-Dec-2021  riastradh i915: mutex_init/destroy and spin_lock_init/destroy audit
 1.10  19-Dec-2021  riastradh i915: Backport fix for locking-against-self on attach.

commit d1b2828af0cc414356c18d7814b83ba33b472054
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Jan 22 22:43:29 2020 +0200

drm/i915: Fix modeset locks in sanitize_watermarks()

We've added more internal things that use modeset locks and
thus we need to be prepared for intel_atomic_check() grabbing
more locks than what our initial drm_modeset_lock_all_ctx()
took. So we're missing the backoff handling here.

Also drm_atomic_helper_duplicate_state() works against us
by clearing state->acquire_ctx in anticipation of
drm_atomic_helper_commit_duplicated_state() being used to
commit the state.

We could probably just reset acquire_ctx back, but instead
let's just rewrite the whole thing without using either of
those "helpers". There's also no need to add any connectors
to the state here since we just want the new watermarks
which don't depend on connectors.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200122204329.2477-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
 1.9  19-Dec-2021  riastradh i915: Fix some inadvertent void * abuse.
 1.8  19-Dec-2021  riastradh i915: Remove waiter after done, not only after wakeup.

Might be done without any wakeup, in which case the waiter would
remain on the list (even as it becomes stack garbage!).
 1.7  19-Dec-2021  riastradh i915: Remember to initialize the atomic commit lock and waitqueue!
 1.6  19-Dec-2021  riastradh i915: Keep i915_sw_fence_init/fini paired.
 1.5  19-Dec-2021  riastradh i915: Rework atomic commit wakeups to work with condvars.

Lock order is intel_state->commit_ready.wait.lock then
dev_priv->atomic_commit_lock.
 1.4  19-Dec-2021  riastradh i915: Quietly disable vblank-related rps boost for now.

Need a way to call a function on vblank, which cv(9) (generally
reasonably) doesn't give us. `Just' a performance thing, so...
 1.3  19-Dec-2021  riastradh i915: another whack at it
 1.2  18-Dec-2021  riastradh Merge linux-drm-v5-6-rc3
 1.1  18-Dec-2021  riastradh branches: 1.1.1;
Initial revision
 1.1.1.1  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

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