sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Revert drm2 removal.

Revert r338177, r338176, r338175, r338174, r338172

After long consultations with re@, core members and mmacy, revert
these changes. Followup changes will be made to mark them a

Revert drm2 removal.

Revert r338177, r338176, r338175, r338174, r338172

After long consultations with re@, core members and mmacy, revert
these changes. Followup changes will be made to mark them as
deprecated and prent a message about where to find the up-to-date
driver. Followup commits will be made to make this clear in the
installer. Followup commits to reduce POLA in ways we're still
exploring.

It's anticipated that after the freeze, this will be removed in
13-current (with the residual of the drm2 code copied to
sys/arm/dev/drm2 for the TEGRA port's use w/o the intel or
radeon drivers).

Due to the impending freeze, there was no formal core vote for
this. I've been talking to different core members all day, as well as
Matt Macey and Glen Barber. Nobody is completely happy, all are
grudgingly going along with this. Work is in progress to mitigate
the negative effects as much as possible.

Requested by: re@ (gjb, rgrimes)

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Really revert 312923 this time

Revert crap accidentally committed

Revert r312923 a better approach will be taken later

Make the drm2 module depend on linuxkpi

Use linux memory allocation to reduce diff with upstream

MFH

Sponsored by: The FreeBSD Foundation

drm: Fix dev->ioctl_count references leak

This fixes the following error:
kernel: error: [drm:pid1167:drm_release] *ERROR* Device busy: 2

Because of that, drm_lastclose() was not called, leading to

drm: Fix dev->ioctl_count references leak

This fixes the following error:
kernel: error: [drm:pid1167:drm_release] *ERROR* Device busy: 2

Because of that, drm_lastclose() was not called, leading to a few memory
leaks once the driver was unloaded.

MFC after: 1 week

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MFH

Sponsored by: The FreeBSD Foundation

drm/i915: Update to match Linux 3.8.13

This update brings initial support for Haswell GPUs.

Tested by: Many users of FreeBSD, PC-BSD and HardenedBSD
Relnotes: yes
Sponsored by: The FreeBSD Foundati

drm/i915: Update to match Linux 3.8.13

This update brings initial support for Haswell GPUs.

Tested by: Many users of FreeBSD, PC-BSD and HardenedBSD
Relnotes: yes
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D5554

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Merge sync of head

Merge from HEAD

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge r278538 through r280226.

drm: Update the device-independent code to match Linux 3.8.13

This update brings few features:
o Support for the setmaster/dropmaster ioctls. For instance, they
are used to run multiple

drm: Update the device-independent code to match Linux 3.8.13

This update brings few features:
o Support for the setmaster/dropmaster ioctls. For instance, they
are used to run multiple X servers simultaneously.
o Support for minor devices. The only user-visible change is a new
entry in /dev/dri but it is useless at the moment. This is a
first step to support render nodes [1].

The main benefit is to greatly reduce the diff with Linux (at the
expense of an unreadable commit diff). Hopefully, next upgrades will be
easier.

No updates were made to the drivers, beside adapting them to API
changes.

[1] https://en.wikipedia.org/wiki/Direct_Rendering_Manager#Render_nodes

Tested by: Many people
MFC after: 1 month
Relnotes: yes

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Merge from HEAD

Merge ^/head r277327 through r277718.

MFhead @ r277555

An update for the i915 GPU driver, which brings the code up to Linux
commit 4d93914ae3db4a897ead4b. Some related drm infrastructure
changes are imported as needed.

Biggest update is the rewrite of

An update for the i915 GPU driver, which brings the code up to Linux
commit 4d93914ae3db4a897ead4b. Some related drm infrastructure
changes are imported as needed.

Biggest update is the rewrite of the i915 gem io to more closely
follow Linux model, althought the mechanism used by FreeBSD port is
different.

Sponsored by: The FreeBSD Foundation
MFC after: 2 month

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Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

MFHead @ r275232

Merge ^/head r275118 through r275209.

DRM2: fix off-by-one overflow in ioctl processing

Call to the driver-specific ioctl used to process ioctl number
that will lead to the out-of-bounds access to the ioctl handler
array.

PR: 193367
A

DRM2: fix off-by-one overflow in ioctl processing

Call to the driver-specific ioctl used to process ioctl number
that will lead to the out-of-bounds access to the ioctl handler
array.

PR: 193367
Approved by: kib
MFC after: 1 week

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IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)