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PR/50372 CVS commit: [netbsd-7] src/sys/external/bsd/drm2

The following reply was made to PR kern/50372; it has been noted by GNATS.

From: "Soren Jacobsen" <>
Subject: PR/50372 CVS commit: [netbsd-7] src/sys/external/bsd/drm2
Date: Fri, 15 Apr 2016 08:46:43 +0000

 Module Name:	src
 Committed By:	snj
 Date:		Fri Apr 15 08:46:42 UTC 2016
 Modified Files:
 	src/sys/external/bsd/drm2/dist/drm/nouveau [netbsd-7]: nouveau_drm.c
 	    nouveau_drm.h nouveau_fence.c nouveau_nv10_fence.c
 	src/sys/external/bsd/drm2/dist/drm/nouveau/core/core [netbsd-7]:
 	src/sys/external/bsd/drm2/dist/drm/nouveau/core/engine/device [netbsd-7]:
 	src/sys/external/bsd/drm2/dist/drm/nouveau/core/include/core [netbsd-7]:
 	src/sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/bar [netbsd-7]:
 	src/sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/instmem [netbsd-7]:
 	src/sys/external/bsd/drm2/include/linux [netbsd-7]: delay.h spinlock.h
 	src/sys/external/bsd/drm2/nouveau [netbsd-7]: files.nouveau
 Log Message:
 Pull up following revision(s) (requested by riastradh in ticket #1157):
 	sys/external/bsd/drm2/dist/drm/nouveau/core/core/nouveau_core_subdev.c: revision 1.3
 	sys/external/bsd/drm2/dist/drm/nouveau/core/engine/device/nouveau_engine_device_base.c: revisions 1.9, 1.10
 	sys/external/bsd/drm2/dist/drm/nouveau/core/include/core/namedb.h: revision 1.2
 	sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/bar/nouveau_subdev_bar_base.c: revisions 1.4, 1.5
 	sys/external/bsd/drm2/dist/drm/nouveau/core/subdev/instmem/nouveau_subdev_instmem_nv40.c: revision 1.3
 	sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.c: revision 1.8
 	sys/external/bsd/drm2/dist/drm/nouveau/nouveau_drm.h: revision 1.4
 	sys/external/bsd/drm2/dist/drm/nouveau/nouveau_fence.c: revision 1.4
 	sys/external/bsd/drm2/dist/drm/nouveau/nouveau_nv10_fence.c: revision 1.3
 	sys/external/bsd/drm2/include/linux/delay.h: revision 1.4
 	sys/external/bsd/drm2/include/linux/spinlock.h: revision 1.7
 	sys/external/bsd/drm2/nouveau/files.nouveau: revision 1.14
 	sys/external/bsd/drm2/nouveau/nouveau_pci.c: revision 1.7
 Set nouveau to a more reasonable debug level.
 Match the compile-time and default run-time settings in Linux.
 Pass a sensible device state pointer to nouveau suspend/resume ops.
 Gives nouveau half a chance of suspending and resuming -- not that it
 works on my test laptop yet, but it's a start.
 Fix bus_space_subregion error branch.
 Return error code, not 0 (!), on bus_space_subregion failure.
 In answer to `XXX error branch' comment: if nouveau_barobj_ctor
 fails, then the caller will call nouveau_barobj_dtor too.  So there's
 no leak here.
 Unlikely to fix any observed bugs with nouveau -- there's no error
 branch in the Linux side here.  But maybe it will catch some other
 bug earlier.
 Map the same mmio size as Linux does.
 Unlikely to have practical consequences -- just reduces differences
 in behaviour from upstream, to rule them out.
 Print error code for failure to map PRAMIN BAR.
 In msleep use mdelay if cold
 Use only the low 32 bits of the bar object's vma offset as intended.
 Should fix PR kern/50372, seen by everyone trying to use nouveau on
 amd64 with hardware that uses nv50-style BARs and not nvc0-style
 Destroy the lock before caller frees memory.
 Destroy spin locks appropriately.
 Destroy the mutex before free.
 Provide reader/writer semantics with recursive readers.
 Exclude VRAM and FIFO regions from MMIO register mapping.
 Nouveau maps those separately, and it is not trivial to convert those
 mappings to bus_space_subregion.
 To generate a diff of this commit:
 cvs rdiff -u -r1.2.4.4 -r1.2.4.5 \
 cvs rdiff -u -r1. -r1. \
 cvs rdiff -u -r1.2.4.1 -r1.2.4.2 \
 cvs rdiff -u -r1. -r1. \
 cvs rdiff -u -r1.2 -r1.2.4.1 \
 cvs rdiff -u -r1.2.4.3 -r1.2.4.4 \
 cvs rdiff -u -r1.1.1.1 -r1. \
 cvs rdiff -u -r1. -r1. \
 cvs rdiff -u -r1. -r1. \
 cvs rdiff -u -r1.3 -r1.3.2.1 src/sys/external/bsd/drm2/include/linux/delay.h
 cvs rdiff -u -r1.3.2.1 -r1.3.2.2 \
 cvs rdiff -u -r1.2.4.4 -r1.2.4.5 \
 cvs rdiff -u -r1.3.2.5 -r1.3.2.6 \
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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