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22 commits

Author SHA1 Message Date
Ben Skeggs
997a89003c drm/nouveau/core/memory: add reference counting
We need to be able to prevent memory from being freed while it's still
mapped in a GPU's address-space.

Will be used by upcoming MMU changes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:22 +10:00
Ben Skeggs
ffd937bbd2 drm/nouveau/imem: use fast-path for resume restore
Before: "imem: init completed in 299277us"
 After: "imem: init completed in  11574us"

Suspend from Fedora 26 gnome desktop on GP102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:20 +10:00
Ben Skeggs
e9be3c7d7a drm/nouveau/imem: use fast-path for suspend backup
Before: "imem: suspend completed in 5540487us"
 After: "imem: suspend completed in 1871526us"

Suspend from Fedora 26 gnome desktop on GP102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:20 +10:00
Ben Skeggs
b00b843046 drm/nouveau/imem: separate pre-BAR2-bootstrap objects from the rest
These will require slow-path access during suspend/resume.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:20 +10:00
Ben Skeggs
54c70e3ac6 drm/nouveau/imem: switch to kvmalloc/kvfree for suspend/resume backup
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:20 +10:00
Ben Skeggs
d52ddc953e drm/nouveau/imem: separate suspend/resume backup handling into their own functions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:19 +10:00
Ben Skeggs
71370e620a drm/nouveau/imem: remove now-unused wrapper for backend objects
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:19 +10:00
Ben Skeggs
49814f62a2 drm/nouveau/imem: allow nvkm_instobj to be directly embedded in backend object
This will eliminate a step through the call chain, and give backends
more flexibility.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:18 +10:00
Ben Skeggs
07bbc1c5f4 drm/nouveau/core/memory: split info pointers from accessor pointers
The accessor functions can change as a result of acquire()/release() calls,
and are protected by any refcounting done there.

Other functions must remain constant, as they can be called any time.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:18 +10:00
Ben Skeggs
dde59b9c34 drm/nouveau/imem: add some useful debug output
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-11-02 13:32:18 +10:00
Ben Skeggs
f3a8b6645d drm/nouveau: silence sparse warnings about symbols not being marked static
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-11-07 14:04:40 +10:00
Ben Skeggs
56d06fa29e drm/nouveau/core: remove pmc_enable argument from subdev ctor
These are now specified directly in the MC subdev.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-05-20 14:43:04 +10:00
Ben Skeggs
950950327b drm/nouveau/instmem: protect instobj list with a spinlock
No locking is required for the traversal of this list, as it only
happens during suspend/resume where nothing else can be executing.

Fixes some of the issues noticed during parallel piglit runs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ben Skeggs
b7a2bc1886 drm/nouveau/imem: convert to new-style nvkm_subdev
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:44 +10:00
Ben Skeggs
3293228174 drm/nouveau/bar: convert to new-style nvkm_subdev
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:42 +10:00
Ben Skeggs
d8e83994aa drm/nouveau/imem: improve management of instance memory
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:36 +10:00
Ben Skeggs
3a8c3400f3 drm/nouveau/subdev: rename some functions to avoid upcoming conflicts
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:33 +10:00
Ben Skeggs
aa35888ff0 drm/nouveau/object: rename some functions to avoid upcoming conflicts
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:33 +10:00
Ben Skeggs
95cf469cc3 drm/nouveau/imem: use object accessor function for suspend/resume
Very much not ideal, but this will be improved later.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:29 +10:00
Ben Skeggs
c44c06aeeb drm/nouveau/imem: cosmetic changes
This is purely preparation for upcoming commits, there should be no
code changes here.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-08-28 12:40:08 +10:00
Ben Skeggs
78b2b4e76b drm/nouveau/instmem: namespace + nvidia gpu names (no binary change)
The namespace of NVKM is being changed to nvkm_ instead of nouveau_,
which will be used for the DRM part of the driver.  This is being
done in order to make it very clear as to what part of the driver a
given symbol belongs to, and as a minor step towards splitting the
DRM driver out to be able to stand on its own (for virt).

Because there's already a large amount of churn here anyway, this is
as good a time as any to also switch to NVIDIA's device and chipset
naming to ease collaboration with them.

A comparison of objdump disassemblies proves no code changes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:17:55 +10:00
Ben Skeggs
c39f472e9f drm/nouveau: remove symlinks, move core/ to nvkm/ (no code changes)
The symlinks were annoying some people, and they're not used anywhere
else in the kernel tree.  The include directory structure has been
changed so that symlinks aren't needed anymore.

NVKM has been moved from core/ to nvkm/ to make it more obvious as to
what the directory is for, and as some minor prep for when NVKM gets
split out into its own module (virt) at a later date.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-01-22 12:15:10 +10:00
Renamed from drivers/gpu/drm/nouveau/core/subdev/instmem/base.c (Browse further)