drm: Define TASK_INTERRUPTIBLE so we can reduce diffs a little.

linux: Define need_resched as alias for preempt_needed.

No need to open-code this (nor to do it slightly wrong).

drm: Timeout audit -- linux/sched.h.

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

Make intel_psr.c build
netbsd-ify
Stub out intel_lpe_audio.c (for now?).
Hammer intel_opregion.c into shape.
Hack up intel_lrc.c
Adapt intel_reset.c
Stub out intel_region_lmem.c
Adapt intel_ring_submission.c
Adapt intel_rps.c
Adapt intel_sdvo.c
Adapt intel_runtime_pm.c
Adapt intel_sideband.c
Adapt intel_sprite.c
Adapt intel_tv.c
Adapt intel_tc.c
Adapt intel_sseu.c
Adapt intel_timeline.c
Adapt intel_uc_fw.c and fix typo
Fix up intel_uncore.c
intel_vga.c
intel_wakeref.c
intel_vdsc.c
intel_wopcm.c
intel_workarounds.c
i915_globals.c
Fix up intelfb.c
Stub out intel_guc_log.c
Stub out intel_dsi_dcs_backlight.c
i915_perf.c
intel_hdmi.c
intel_hdcp.c


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Revert "Give up on finding how linux side-loads these"

Found it.

misc drm hacks

Expand some <linux/sched.h> definitions.

hardclock_ticks -> getticks()

- Hide the details of SPCF_SHOULDYIELD and related behind a couple of small
functions: preempt_point() and preempt_needed().

- preempt(): if the LWP has exceeded its timeslice in kernel, strip it of
any priority boost gained earlier from blocking.

fixed signed compare.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18; 1.5.20;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.

linux: Define need_resched as alias for preempt_needed.

No need to open-code this (nor to do it slightly wrong).

drm: Timeout audit -- linux/sched.h.

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

Make intel_psr.c build
netbsd-ify
Stub out intel_lpe_audio.c (for now?).
Hammer intel_opregion.c into shape.
Hack up intel_lrc.c
Adapt intel_reset.c
Stub out intel_region_lmem.c
Adapt intel_ring_submission.c
Adapt intel_rps.c
Adapt intel_sdvo.c
Adapt intel_runtime_pm.c
Adapt intel_sideband.c
Adapt intel_sprite.c
Adapt intel_tv.c
Adapt intel_tc.c
Adapt intel_sseu.c
Adapt intel_timeline.c
Adapt intel_uc_fw.c and fix typo
Fix up intel_uncore.c
intel_vga.c
intel_wakeref.c
intel_vdsc.c
intel_wopcm.c
intel_workarounds.c
i915_globals.c
Fix up intelfb.c
Stub out intel_guc_log.c
Stub out intel_dsi_dcs_backlight.c
i915_perf.c
intel_hdmi.c
intel_hdcp.c


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Revert "Give up on finding how linux side-loads these"

Found it.

misc drm hacks

Expand some <linux/sched.h> definitions.

hardclock_ticks -> getticks()

- Hide the details of SPCF_SHOULDYIELD and related behind a couple of small
functions: preempt_point() and preempt_needed().

- preempt(): if the LWP has exceeded its timeslice in kernel, strip it of
any priority boost gained earlier from blocking.

fixed signed compare.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18; 1.5.20;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.

linux: Define need_resched as alias for preempt_needed.

No need to open-code this (nor to do it slightly wrong).

drm: Timeout audit -- linux/sched.h.

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

Make intel_psr.c build
netbsd-ify
Stub out intel_lpe_audio.c (for now?).
Hammer intel_opregion.c into shape.
Hack up intel_lrc.c
Adapt intel_reset.c
Stub out intel_region_lmem.c
Adapt intel_ring_submission.c
Adapt intel_rps.c
Adapt intel_sdvo.c
Adapt intel_runtime_pm.c
Adapt intel_sideband.c
Adapt intel_sprite.c
Adapt intel_tv.c
Adapt intel_tc.c
Adapt intel_sseu.c
Adapt intel_timeline.c
Adapt intel_uc_fw.c and fix typo
Fix up intel_uncore.c
intel_vga.c
intel_wakeref.c
intel_vdsc.c
intel_wopcm.c
intel_workarounds.c
i915_globals.c
Fix up intelfb.c
Stub out intel_guc_log.c
Stub out intel_dsi_dcs_backlight.c
i915_perf.c
intel_hdmi.c
intel_hdcp.c


Author: Maya Rashish <maya@NetBSD.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

Revert "Give up on finding how linux side-loads these"

Found it.

misc drm hacks

Expand some <linux/sched.h> definitions.

hardclock_ticks -> getticks()

- Hide the details of SPCF_SHOULDYIELD and related behind a couple of small
functions: preempt_point() and preempt_needed().

- preempt(): if the LWP has exceeded its timeslice in kernel, strip it of
any priority boost gained earlier from blocking.

fixed signed compare.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18; 1.5.20;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.

hardclock_ticks -> getticks()

- Hide the details of SPCF_SHOULDYIELD and related behind a couple of small
functions: preempt_point() and preempt_needed().

- preempt(): if the LWP has exceeded its timeslice in kernel, strip it of
any priority boost gained earlier from blocking.

fixed signed compare.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18; 1.5.20;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.

- Hide the details of SPCF_SHOULDYIELD and related behind a couple of small
functions: preempt_point() and preempt_needed().

- preempt(): if the LWP has exceeded its timeslice in kernel, strip it of
any priority boost gained earlier from blocking.

fixed signed compare.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18; 1.5.20;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.

fixed signed compare.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18; 1.5.20;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.

Clamp timeout to INT_MAX to avoid the bad kind of integer truncation.

XXX pullup-7
XXX pullup-8

DELAY takes microseconds, not ticks.

XXX pullup-7
XXX pullup-8

Hazard a guess about a reliable MAX_SCHEDULE_TIMEOUT.

Define cond_resched to preempt if SPCF_SHOULDYIELD.

provide pr_notice
avoid needing unregister_oom_notifier
use intel_register_dsm_handler(dev), as older drm does
provide dummy async_schedule
provide atomic_or
match side-loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

begin fixing -Werror build:

Provide missing declarations from older drm
provide more definitions used by code
no idea what might_lock is, but it might be some error-checking
lockdep thing.


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

match linux side loading


Author: coypu <coypu@sdf.org>
Committer: Taylor R Campbell <riastradh@NetBSD.org>

branches: 1.5.18;
return correct remaining jiffies.
fix X server hang when screen blank by DPMS.

Don't call kpause(9) if cold.

branches: 1.3.2; 1.3.4;
Make it build and boot on my test machines.

Screen blanks on boot on the Ivy Bridge system with

DRM error in cpt_serr_int_handler: PCH transcoder A FIFO underrun

But after that everything is OK. Appears to be an upstream problem.
To investigate...

I think there's a cache flushing issue somewhere -- there are little
display artefacts on my T60.

branches: 1.2.2; 1.2.4; 1.2.6;
Merge riastradh-drm2 to HEAD.

branches: 1.1.2;
file sched.h was initially added on branch riastradh-drm2.