Commit Graph

3760 Commits

Author SHA1 Message Date
Karol Herbst
7d28dbae22 drm/nouveau/pmu: be more strict about locking
When we start communicating with the pmu a bit more, the current code is
a real issue. I encountered a dead lock here, while testing my dynamic
reclocking code

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-05-20 14:43:04 +10:00
Alexandre Courbot
c6007dc4e5 drm/nouveau/devinit/gf100: make devinit on resume safer
In case of successful suspend, devinit will have to be run and this is
the behavior currently hardcoded. However, as FD bug 94725 suggests,
there might be cases where runtime suspend leaves the GPU powered, and
in such cases devinit should not be run on resume.

On GF100+ we have a reliable way to know whether we need to run devinit.
Use it instead of blindly trusting the flag set by nvkm_devinit_fini().

The code around the NvForcePost also needs to be slightly reworked in
order to keep working.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Suggested-by: Dave Airlie <airlied@redhat.com>
Suggested-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-05-20 14:43:04 +10:00
Ben Skeggs
4dc28134a8 drm/nouveau: rename nouveau_drm.h to nouveau_drv.h
Fixes out-of-tree build issue where uapi/drm/nouveau_drm.h gets picked
up instead.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-05-20 14:43:04 +10:00
Arnd Bergmann
c6740c9c9e drm: remove unused dev variables
After drm_gem_object_lookup() was changed along with all its callers,
we have several drivers that have unused variables:

drm/armada/armada_crtc.c: In function 'armada_drm_crtc_cursor_set':
drm/armada/armada_crtc.c:900:21: error: unused variable 'dev' [-Werror=unused-variable]
drm/nouveau/nouveau_gem.c: In function 'validate_init':
drm/nouveau/nouveau_gem.c:371:21: error: unused variable 'dev' [-Werror=unused-variable]
drm/nouveau/nv50_display.c: In function 'nv50_crtc_cursor_set':
drm/nouveau/nv50_display.c:1308:21: error: unused variable 'dev' [-Werror=unused-variable]
drm/radeon/radeon_cs.c: In function 'radeon_cs_parser_relocs':
drm/radeon/radeon_cs.c:77:21: error: unused variable 'ddev' [-Werror=unused-variable]

This fixes all the instances I found with ARM randconfig builds so far.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: a8ad0bd84f ("drm: Remove unused drm_device from drm_gem_object_lookup()")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1463587653-3035181-6-git-send-email-arnd@arndb.de
2016-05-18 19:16:24 +02:00
Chris Wilson
a8ad0bd84f drm: Remove unused drm_device from drm_gem_object_lookup()
drm_gem_object_lookup() has never required the drm_device for its file
local translation of the user handle to the GEM object. Let's remove the
unused parameter and save some space.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
[danvet: Fixup kerneldoc too.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-05-17 08:47:30 +02:00
Dave Airlie
bafb86f5bc Linux 4.6-rc7
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Merge tag 'v4.6-rc7' into drm-next

Merge this back as we've built up a fair few conflicts, and I have
some newer trees to pull in.
2016-05-09 13:49:56 +10:00
Christian König
98c2872ae9 drm/ttm: implement LRU add callbacks v2
This allows fine grained control for the driver where to add a BO into the LRU.

v2: fix typo in comment

Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04 20:21:38 -04:00
Christian König
8aa6d4fc5f drm/ttm: remove lazy parameter from ttm_bo_wait
Not used any more.

Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04 20:21:26 -04:00
Christian König
dfd5e50ea4 drm/ttm: remove use_ticket parameter from ttm_bo_reserve
Not used any more.

Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04 20:21:21 -04:00
Dave Airlie
005e8dad01 Merge branch 'linux-4.6' of git://github.com/skeggsb/linux into drm-fixes
transform feedback fix.

* 'linux-4.6' of git://github.com/skeggsb/linux:
  drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries
2016-04-22 10:09:33 +10:00
Ben Skeggs
28dca90533 drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2016-04-22 10:08:05 +10:00
Dave Airlie
3addc4e3a7 Merge branch 'linux-4.6' of git://github.com/skeggsb/linux into drm-fixes
Single nouveau regression fix
* 'linux-4.6' of git://github.com/skeggsb/linux:
  drm/nouveau/kms: fix setting of default values for dithering properties
2016-04-22 09:53:07 +10:00
Ben Skeggs
38bdcfc1fc drm/nouveau/kms: fix setting of default values for dithering properties
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-04-22 09:24:31 +10:00
Dave Airlie
49047962ec Linux 4.6-rc3
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Merge tag 'v4.6-rc3' into drm-next

Backmerge 4.6-rc3 for i915.

Linux 4.6-rc3
2016-04-22 08:32:51 +10:00
Daniel Vetter
ca25d6b08f drm/nouveau: Drop dev->struct_mutex from fbdev init
Doesn't protect anything at all.

With this patch nouveau is completely dev->struct_mutex free!

Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-6-git-send-email-daniel.vetter@ffwll.ch
2016-04-20 12:56:49 +02:00
Daniel Vetter
e889c24490 drm/nouveau: Use unlocked gem unreferencing
For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with

commit ef4c6270bf
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Oct 15 09:36:25 2015 +0200

    drm/gem: Check locking in drm_gem_object_unreference

Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-2-git-send-email-daniel.vetter@ffwll.ch
2016-04-20 12:54:13 +02:00
Dave Airlie
30aab1897b Merge branch 'linux-4.6' of git://github.com/skeggsb/linux into drm-fixes
Just a single fix to prevent GM20B systems hanging at boot.

* 'linux-4.6' of git://github.com/skeggsb/linux:
  drm/nouveau/tegra: acquire and enable reference clock if needed
2016-04-06 16:16:52 +10:00
Alexandre Courbot
34440ed697 drm/nouveau/tegra: acquire and enable reference clock if needed
GM20B requires an extra clock compared to GK20A. Add that information
into the platform data and acquire and enable this clock if necessary.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-04-06 16:06:51 +10:00
Dave Airlie
e7c8e54440 Merge tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel:
  drm: Add new DCS commands in the enum list
  drm: Make uapi headers C89 pendantic compliant
  drm/atomic: export drm_atomic_helper_wait_for_fences()
  drm: Untangle __KERNEL__ guards
  drm: Move DRM_MODE_OBJECT_* to uapi headers
  drm: align #include directives with libdrm in uapi headers
  drm: Make drm.h uapi header safe for C++
  vgacon: dummy implementation for vgacon_text_force
  drm/sysfs: Nuke TV/DVI property files
  drm/ttm: Remove TTM_HAS_AGP
  drm: bridge/dw-hdmi: Remove pre_enable/post_disable dummy funcs
  Revert "drm: Don't pass negative delta to ktime_sub_ns()"
  drm/atmel: Fixup drm_connector_/unplug/unregister/_all
  drm: Rename drm_connector_unplug_all() to drm_connector_unregister_all()
  drm: bridge: Make (pre/post) enable/disable callbacks optional
2016-04-06 09:39:01 +10:00
Daniel Vetter
44debe7a12 vgacon: dummy implementation for vgacon_text_force
This allows us to ditch a ton of ugly #ifdefs from a bunch of drm modeset
drivers.

v2: Make the dummy function actually return a sane value, spotted by
Ville.

v3: Because the patch is still in limbo there's no more drivers to
convert, noticed by Emil.

v4: Rebase once more, because hooray. I'll just go ahead an apply this
one later on to drm-misc.

Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-03-30 17:37:57 +02:00
Arnd Bergmann
86d65b7e7a nouveau: fix nv40_perfctr_next() cleanup regression
gcc-6 warns about code in the nouveau driver that is obviously silly:

drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c: In function 'nv40_perfctr_next':
drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c:62:19: warning: self-comparison always evaluats to false [-Wtautological-compare]
  if (pm->sequence != pm->sequence) {

The behavior was accidentally introduced in a patch described as "This is
purely preparation for upcoming commits, there should be no code changes here.".
As far as I can tell, that was true for the rest of that patch except for
this one function, which has been changed to a NOP.

This patch restores the original behavior.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 8c1aeaa139 ("drm/nouveau/pm: cosmetic changes")
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-03-16 15:08:43 +10:00
Dave Airlie
1a4be38a3a Merge tag 'topic/drm-misc-2016-03-14' of git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-03-14' of git://anongit.freedesktop.org/drm-intel: (27 commits)
  drm: atomic helper: do not unreference error pointer
  drm/edid: Extract SADs properly from multiple audio data blocks
  drm: fix blob pointer check
  drm: introduce pipe color correction properties
  drm/atomic: Clean up update_connector_routing.
  drm/atomic: Clean up steal_encoder, v2.
  drm/atomic: Handle encoder assignment conflicts in a separate check, v3.
  drm/atomic: Handle encoder stealing from set_config better.
  drm/atomic: Always call steal_encoder, v2.
  drm/ast: removed optional dummy crtc mode_fixup function.
  drm/bochs: removed optional dummy crtc mode_fixup function.
  drm/fsl-dcu: removed optional dummy crtc mode_fixup function.
  drm/virtio: removed optional dummy crtc mode_fixup function.
  drm/nouveau/dispnv04: removed optional dummy crtc mode_fixup function.
  drm/atmel-hlcdc: remove optional dummy crtc mode_fixup function.
  drm/sti: removed optional dummy crtc mode_fixup function.
  drm/shmobile: removed optional dummy crtc mode_fixup function.
  drm/msm/mdp: removed optional dummy crtc mode_fixup function.
  drm/omapdrm: removed optional dummy crtc mode_fixup function.
  drm/rcar-du: removed optional dummy crtc mode_fixup function.
  ...
2016-03-16 11:09:26 +10:00
Alexandre Courbot
52829d4fab drm/nouveau/clk/gm20b: add basic driver
Add a basic clock driver that reuses the GK20A logic.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:56 +10:00
Alexandre Courbot
42d6e16787 drm/nouveau/clk/gk20a: share reusable structures/functions
Make functions/structures that the GM20B driver will reuse public.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:56 +10:00
Alexandre Courbot
6871b34a04 drm/nouveau/clk/gk20a: set lowest frequency during init()
Err on the safe side by setting the lowest frequency (and thus voltage)
during device init.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:55 +10:00
Alexandre Courbot
2efd390851 drm/nouveau/clk/gk20a: split gk20a_clk_new()
This allows to instanciate drivers that use the same logic as gk20a with
different parameters.

Add a constructor function to allow other chips that inherit from this
clock to easily initialize its members

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:55 +10:00
Alexandre Courbot
195c113773 drm/nouveau/clk/gk20a: abstract pl_to_div
pl_to_div may be done differently depending on the chip. Abstract this
operation so the same logic can be reused for them as well.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:55 +10:00
Alexandre Courbot
a04bc140aa drm/nouveau/clk/gk20a: put mnp values into their own struct
This allows us to read them using one single function and will be handy
to the GM20B driver.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:54 +10:00
Alexandre Courbot
f29cacf159 drm/nouveau/clk/gk20a: emit parent rate as debug message
Most users are probably not interested in this information.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:54 +10:00
Alexandre Courbot
3c0d5d6e11 drm/nouveau/clk/gk20a: only restore divider to 1:1 if needed
Only restore the 1:1 divider if it is not set already. Also use the
proper masks for this operation and add a second write as done in the
Android code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:53 +10:00
Alexandre Courbot
a08c8bae66 drm/nouveau/clk/gk20a: only compute n_lo if needed
n_lo is used if we are going to slide. Compute it only if that condition
succeeds to avoid confusion about future usage of this computation.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:53 +10:00
Alexandre Courbot
3a91b9c5ef drm/nouveau/clk/gk20a: fix VCO bit mask
Fix the mask specified to switch to VCO mode was given as an (incorrect)
immediate value. Although the side-effect happens to be the same, this
is clearly incorrect.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:52 +10:00
Alexandre Courbot
e7952eb663 drm/nouveau/clk/gk20a: rename enable/disable functions
gk20a_pllg_disable() is only used in the context of gk20a_clk_fini().
Move its body there and rename _gk20a_pllg_enable() and
_gk20a_pllg_disable() to non-underscored versions.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:52 +10:00
Alexandre Courbot
d865f3c52d drm/nouveau/clk/gk20a: reorganize variables in gk20a_pllg_calc_mnp()
Move some variables declarations to the scope where they are actually
used to make the code easier to follow.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:51 +10:00
Alexandre Courbot
af6313d61a drm/nouveau/clk/gk20a: convert parameters to Khz
Perform computations in Khz instead of Mhz for better precision.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:51 +10:00
Alexandre Courbot
71757abf2e drm/nouveau/volt: add GM20B driver
Add basic GM20B volt driver that reuses the GK20A logic.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:50 +10:00
Alexandre Courbot
4158c9c2bf drm/nouveau/volt/gk20a: split constructor
Split the constructor function so we can reuse the same logic in other
chips.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:50 +10:00
Vince Hsu
0f9520931e drm/nouveau/volt/gk20a: share reusable members & functions
The CVB calculation and voltage setting functions can be reused for the
future chips. So move the declaration to gk20a.h.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:49 +10:00
Ben Skeggs
253a03f03f drm/nouveau/ce/gm107: expose MaxwellDmaCopyA
The HW accepts KeplerDmaCopyA and MaxwellDmaCopyA classes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:49 +10:00
Ben Skeggs
7c4f87c9e5 drm/nouveau/fifo/gm107: KeplerChannelGpfifoB, and 2048 channels
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:48 +10:00
Ben Skeggs
63f8c9b7f6 drm/nouveau/fifo/gk110: expose KeplerChannelGpfifoB
This class supports a WFI method (0x0078) that's not present on the
KeplerChannelGpfifoA class.

The binary driver exposes both classes on these GPUs for some reason,
though there doesn't appear to be any difference in the setup that's
done for each (ie. even if you allocate GpfifoA, the WFI method will
still work).

We shall just expose GpfifoB, as I don't see a good reason to report
the presence of both.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:48 +10:00
Ben Skeggs
b4c5fc4b85 drm/nouveau/fifo/gk104: submit NOP after all PBDMA_INTR_0, not just DEVICE
Prevents the same interrupt from re-triggering forever.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:47 +10:00
Ben Skeggs
4a3f63f808 drm/nouveau/fifo/gk104: add vic plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:47 +10:00
Ben Skeggs
a8b005fd52 drm/nouveau/fifo/gk104: add sec plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:46 +10:00
Ben Skeggs
608fd040b7 drm/nouveau/fifo/gk104: add nvdec plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:46 +10:00
Ben Skeggs
9e4fff3205 drm/nouveau/fifo/gk104: add nvenc plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:46 +10:00
Ben Skeggs
5d7fa4de46 drm/nouveau/fifo/gk104: add msenc plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:45 +10:00
Ben Skeggs
72150b2edd drm/nouveau/core: add vic plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:45 +10:00
Ben Skeggs
3545b42532 drm/nouveau/core: add nvdec plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:44 +10:00
Ben Skeggs
294af04b16 drm/nouveau/core: add nvenc plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:44 +10:00
Ben Skeggs
c0c914eca7 drm/nouveau/core: add msenc plumbing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:43 +10:00
Ben Skeggs
7cee043334 drm/nouveau/core: sort engine indices alphabetically
Unlike subdevs, these aren't initialised in a defined order.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:43 +10:00
Ben Skeggs
1f5ff7f52b drm/nouveau/fifo/gk104: make use of topology info during gpfifo construction
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:42 +10:00
Ben Skeggs
19f89279fa drm/nouveau/fifo/gk104: make use of topology info during fault recovery
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:42 +10:00
Ben Skeggs
af83a67779 drm/nouveau/fifo/gk104: make use of topology info when handling ctxsw timeout
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:41 +10:00
Ben Skeggs
41e5171ba8 drm/nouveau/fifo/gk104: read device topology information from hw
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:41 +10:00
Ben Skeggs
69aa40e276 drm/nouveau/fifo/gk104: cosmetic engine->runlist changes
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:40 +10:00
Ben Skeggs
acdf7d4f7e drm/nouveau/fifo/gk104: don't attempt recovery of unknown mmu engines
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:40 +10:00
Ben Skeggs
55252da161 drm/nouveau/fifo/gk104: identify fault-recovery members more clearly
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:39 +10:00
Ben Skeggs
6d39b83f13 drm/nouveau/fifo/gk104: rename spoon to pbdma, and move detection to oneinit
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:39 +10:00
Ben Skeggs
1015d81122 drm/nouveau/fifo/gf100: fix certain engines not being recovered after a fault
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:38 +10:00
Ben Skeggs
f22d7d45fa drm/nouveau/fifo/gf100: don't attempt recovery of unknown mmu engines
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:38 +10:00
Ben Skeggs
792662439c drm/nouveau/fifo/gf100: identify fault-recovery members more clearly
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:38 +10:00
Ben Skeggs
adbe24a21e drm/nouveau/fifo/gf100: rename spooon to pbdma, and move detection to oneinit
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:37 +10:00
Roy Spliet
786656295b drm/nouveau/gr/fuc: Store $r0 in interrupt handler
It's supposed to always be 0, but at least nv_iowr() temporarily violates
this. Since the ih touches $r0, it should be stored.

Signed-off-by: Roy Spliet <rs855@cam.ac.uk>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:37 +10:00
Karol Herbst
b815a2e3f8 drm/nouveau/pmu/fuc: use imm32 in ld/st macros
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:36 +10:00
Karol Herbst
8609cb8ef0 drm/nouveau/pmu/fuc: use the call macro instead of using the call instruction directly
the macro deals with target specific differences and so we should always use
this

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:36 +10:00
Karol Herbst
70d97b5173 drm/nouveau/pmu/fuc: replace mov+sethi with imm32
on gk208+ we can simply mov 32bits, so we should have a single mov there

v2: use or operator instead of add

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:35 +10:00
Karol Herbst
4382e9091c drm/nouveau/pmu/fuc: fix imm32 for gk208+
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:35 +10:00
Ilia Mirkin
78a121d82d drm/nouveau/core: use vzalloc for allocating ramht
Most calls to nvkm_ramht_new use 0x8000 as the size. This results in a
fairly sizeable chunk of memory to be allocated, which may not be
available with kzalloc. Since this is done fairly rarely (once per
channel), use vzalloc instead.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:34 +10:00
Alexandre Courbot
2bf1833e51 drm/nouveau/fifo/gk104: kick channel upon removal
A channel may still be processed by the PBDMA even after removal, unless
it is properly kicked. Some chips are more sensible to this than others,
with GM20B triggering the issue very easily (the PBDMA will try to fetch
methods from the previously-removed channel after a new one is added).

Make sure this cannot happen by kicking the channel right after it is
disabled, and before the new runlist is submitted.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:34 +10:00
Alexandre Courbot
e02d586da6 drm/nouveau/instmem/gk20a: add write barrier when releasing DMA object
When using the DMA-API for instmem, we may obtain a write-combined
mapping. For such cases, add a write barrier in
gk20a_instobj_release_dma() to make sure that all writes have reached
memory at this time.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:34 +10:00
Alexandre Courbot
1733a2ad36 drm/nouveau/device/pci: set as non-CPU-coherent on ARM64
Without this buffer inconsistencies may appear between the CPU
and GPU when using a PCI GPU on an ARM64 board.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:33 +10:00
Alexandre Courbot
f2014cd02c drm/nouveau/hwmon: fix crash on non-PCI platforms
Registration of the hwmon device will fail on non-PCI systems since
dev->pdev is NULL in that case. Use the more generic drm_device::dev
member that points to the same and is always set no matter the platform.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:33 +10:00
Alexandre Courbot
f2a0adadeb drm/nouveau: silence unimportant HDMI status message
On non-PCI devices, nobody should really care if the device does not
provide HDMI...

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:32 +10:00
Alexandre Courbot
9bcd38de5b drm/nouveau/bo: consider DMA buffers on x86 only
The DMA API has different semantics on different architectures.
Currently on arm64, it can only provide memory from a small pool which
dries up quickly if we attempt to allocate big buffers from it.

Do not consider that option when running on non-x86, since regular TTM
buffers are the (current) best-fit for ARM platforms.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:32 +10:00
Alexandre Courbot
ab08f38cac drm/nouveau/ltc/gf100: use more reasonable timeout value
LTC operations timeout was set to 2ms, which may be too low for devices
that run at very low clocks (e.g. GM20B) and trigger timeout messages.

Set the timeout to the default 2s. Also remove the redundant error
messages since nvkm_wait_msec() will already display a warning.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:31 +10:00
Alexandre Courbot
a2e435a1b0 drm/nouveau/fifo/gk104: take runlist target into account
Bits 28:29 of RUNLIST_BASE specify the memory target of the runlist. Set
it to 0x3 (SYS_MEM_NONCOHERENT) if the runlist object resides in system
memory.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:31 +10:00
Alexandre Courbot
c694ecad9d drm/nouveau/fifo/gf100: take runlist target into account
Bits 28:29 of RUNLIST_BASE specify the memory target of the runlist. Set
it to 0x3 (SYS_MEM_NONCOHERENT) if the runlist object resides in system
memory.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:30 +10:00
Xia Yang
0689aad70d drm/nouveau/fifo/gk104: fix chid bit mask
Fix the channel id bit mask in FIFO schedule timeout error handling.

FIFO_ENGINE_STATUS_NEXT_ID is bit 27:16 thus 0x0fff0000.
FIFO_ENGINE_STATUS_ID      is bit 11:0  thus 0x00000fff.

Signed-off-by: Xia Yang <xiay@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:30 +10:00
Alexandre Courbot
9d0394c6be drm/nouveau/instmem/gk20a: set DMA mask early
DMA mask is typically set in nouveau_ttm_init(), but this function is
called late during initialization and GK20A's instmem will have called
DMA functions before this happens.

Having a wrongly set DMA mask can result in the use of unneeded bounce
buffers. Set it early to avoid this.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:29 +10:00
Ben Skeggs
7d31cb7ca4 drm/nouveau/gr/gm206: remove implementation, it's now identical to gm200
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:29 +10:00
Ben Skeggs
5f7e8028c7 drm/nouveau/gr/gm200: switch over to using sw_nonctx from firmware
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:28 +10:00
Ben Skeggs
d4a43a612a drm/nouveau/gr/gm200: switch over to using sw_method_init from firmware
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:28 +10:00
Ben Skeggs
c0e8550dbf drm/nouveau/gr/gm200: switch over to using sw_bundle_init from firmware
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:27 +10:00
Ben Skeggs
43bc83b9b0 drm/nouveau/gr/gm200: switch over to using sw_ctx from firmware
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:27 +10:00
Karol Herbst
b774c40b1c drm/nouveau/bios/extdev: also parse v4.1 table
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
2016-03-14 10:13:26 +10:00
Karol Herbst
eb72ed5dc8 drm/nouveau/hwmon: don't require therm to be valid to get any data
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
2016-03-14 10:13:26 +10:00
Karol Herbst
353b983440 drm/nouveau/hwmon: add power consumption
v2: expose only if the sensor reading is valid

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
2016-03-14 10:13:26 +10:00
Karol Herbst
b71c089263 drm/nouveau/iccsense: implement for ina209, ina219 and ina3221
based on Martins initial work

v3: fix ina2x9 calculations
v4: don't kmalloc(0), fix the lsb/pga stuff
v5: add a field to tell if the power reading may be invalid
    add nkvm_iccsense_read_all function
    check for the device on the i2c bus

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
2016-03-14 10:13:25 +10:00
Martin Peres
39b7e6e547 drm/nouveau/nvbios/iccsense: add parsing of the SENSE table
Karol Herbst:
v4: don't kmalloc(0)
v5: stricter validation

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
2016-03-14 10:13:25 +10:00
Martin Peres
dc06e366fe drm/nouveau/subdev/iccsense: add new subdev for power sensors
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
2016-03-14 10:13:24 +10:00
Alexandre Courbot
923f1bd27b drm/nouveau/secboot/gm20b: add secure boot support
Add secure boot support for the GM20B chip found in Tegra X1. Secure
boot on Tegra works slightly differently from desktop, notably in the
way the WPR region is set up.

In addition, the firmware bootloaders use a slightly different header
format.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:24 +10:00
Alexandre Courbot
9cc4552149 drm/nouveau/secboot/gm200: add secure-boot support
Add secure-boot for the dGPU set of GM20X chips, using the PMU as the
high-secure falcon.

This work is based on Deepak Goyal's initial port of Secure Boot to
Nouveau.

v2. use proper memory target function

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:23 +10:00
Alexandre Courbot
82babeaf75 drm/nouveau/gr/gm200: do not load firmware for secure falcons
Secure falcons' firmware is managed by secboot. Do not load it in GR for
them.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:23 +10:00
Alexandre Courbot
c9469aae5e drm/nouveau/gr/gf100: add support for securely-managed falcons
Start securely-managed falcons using secboot functions since the process
for them is different from just writing CPUCTL.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:22 +10:00
Alexandre Courbot
7d12388a1f drm/nouveau/core: add support for secure boot
On GM200 and later GPUs, firmware for some essential falcons (notably
GR ones) must be authenticated by a NVIDIA-produced signature and
loaded by a high-secure falcon in order to be able to access privileged
registers, in a process known as Secure Boot.

Secure Boot requires building a binary blob containing the firmwares
and signatures of the falcons to be loaded. This blob is then given to
a high-secure falcon running a signed loader firmware that copies the
blob into a write-protected region, checks that the signatures are
valid, and finally loads the verified firmware into the managed falcons
and switches them to privileged mode.

This patch adds infrastructure code to support this process on chips
that require it.

v2:
- The IRQ mask of the PMU falcon was left - replace it with the proper
  irq_mask variable.
- The falcon reset procedure expecting a falcon in an initialized state,
  which was accidentally provided by the PMU subdev. Make sure that
  secboot can manage the falcon on its own.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:22 +10:00
Alexandre Courbot
f008d8c7b2 drm/nouveau/gr/gm200: load external firmware and bundles
Load firmware and bundles in GM200's constructor. The previously called
GF100 function did not care about the bundles.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:21 +10:00
Alexandre Courbot
2e404b0da9 drm/nouveau/gr/gk20a: share external bundles loading functions
There functions are going to be used by other chips that rely on
NVIDIA-provided firmware. Export them.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:21 +10:00
Alexandre Courbot
5986d3e13b drm/nouveau/gr/gk20a: simplify external bundle loading functions
Make these functions easier to use by handling memory management from
within.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:20 +10:00
Alexandre Courbot
18cd5bc8ea drm/nouveau/gr/gf100: load firmware in outer function
The firmwares required by GR may vary from chip to chip, especially with
the introduction of secure boot and NVIDIA-provided firmwares. Move the
firmware loading outside of gf100_gr_ctor so other chips may still call
it while managing their firmwares themselves.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:20 +10:00
Alexandre Courbot
336c46524f drm/nouveau/gr/gk20a: move firmware bundle release to gf100
Some members of gf100_gr were freed by the gk20a driver. That's not
where it should be done - free them in gf100 so other chips that use
NVIDIA-provided firmware free these structures properly.

This also removes the need for a GK20A-specific destructor.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:19 +10:00
Alexandre Courbot
5d2083d2f9 drm/nouveau/core: add gpuobj memcpy helper functions
Add memcpy functions to copy a buffer to a gpuobj and vice-versa. This
will be used by the secure boot code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:19 +10:00
Ben Skeggs
96fc422c27 drm/nouveau/gm200: enable graphics device
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:18 +10:00
Ben Skeggs
9ec280529a drm/nouveau/gr/gm200: s/gm204/gm200/
Most of the per-chipset differences will go away when we fully switch
to using the register lists provided by the firmware files, which will
leave all the remaining code "belonging" to GM200.

This is a preemptive rename from GM204 to GM200.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:18 +10:00
Ben Skeggs
e24c9c44d7 drm/nouveau/bios/devinit: properly handle unknown generic conditions
Upon encountering an unknown condition code, the script interpreter
is supposed to skip 'size' bytes and continue at the next devinit
token.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:17 +10:00
Ben Skeggs
989f578473 drm/nouveau/bios/devinit: rename INIT_DP_CONDITION to INIT_GENERIC_CONDITION
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:17 +10:00
Ben Skeggs
96aedd0ba9 drm/nouveau/ltc/gm107: fix slice intr offset
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:16 +10:00
Alexandre Courbot
a6a0f67ca7 drm/nouveau/devinit/gf100-: detect if BIOS invoked devinit
It is not advisable to perform devinit if it has already been done.
VBIOS will very likely have invoked devinit if the GPU is the primary
graphics device, but there is no accurate way to detect this fact yet.

This patch adds such a method for gf100 and later chips, by means of the
NV_PTOP_SCRATCH1_DEVINIT_COMPLETED bit. This bit is set to 1 by devinit,
and reset to 0 when the GPU is powered.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:16 +10:00
Alexandre Courbot
8fb1240a71 drm/nouveau/devinit/nv50: remove unneeded variable
We never use any nv50-specific member in this nv50_devinit_preinit().

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:15 +10:00
Ben Skeggs
db1eb52846 drm/nouveau: s/gm204/gm200/ in a number of places
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:12 +10:00
Ben Skeggs
2ed95a4c65 drm/nouveau: recognise GM200 chipset
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:13:06 +10:00
Alexandre Courbot
1b82111fae drm/nouveau/device/tegra: fix uninitialized IRQ number
nvkm_device_tegra_new initializes the irq member of the Tegra device
to -1 in order to signal that it is uninitialized. However,
nvkm_device_tegra_fini tests it against 0 to check whether an IRQ has
been allocated or not. This leads to free_irq being called on -1 during
device initialization.

Fix this by using 0 as the uninitialized value everywhere.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:11:06 +10:00
Alexandre Courbot
0529a46a7a drm/nouveau/device: call nvkm_device_fini if nvkm_device_init fails
nvkm_device_fini is never called if a failure occurs in
nvkm_device_init, even when unloading the module. This can lead to a
resources leak (one example is the Tegra interrupt which would never be
freed in that case). Fix this by calling nvkm_device_fini in
nvkm_device_init's failure path.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:11:06 +10:00
Alexandre Courbot
33bcb4c340 drm/nouveau/gr/gf100: use the nvkm_firmware functions
Use the nvkm_firmware_* functions when loading external firmware to
avoid duplicate code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:11:06 +10:00
Alexandre Courbot
046fdb2a59 drm/nouveau/core: add firmware handling functions
Add two functions nvkm_firmware_get() and nvkm_firmware_put() to load a
firmware file and free its resources, respectively. Since firmware files
are becoming a necessity for new GPUs, and their location has been
standardized to nvidia/chip/, this will prevent duplicate and
error-prone name-generation code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:11:06 +10:00
Alexandre Courbot
f0db6e3be9 drm/nouveau/ltc/gm107: wait on relevant bit in gm107_ltc_cbc_wait
Patch "ltc/gm107: use nvkm_mask to set cbc_ctrl1" sets the 3rd bit
of the CTRL1 register instead of writing it entirely in
gm107_ltc_cbc_clear(). As a counterpart, gm107_ltc_cbc_wait() must also
be modified to wait on that single bit only, otherwise a timeout may
occur if some other bit of that register is set. This happened at least
on GM206 when running glmark2-drm.

While we are at it, use the more compact nvkm_wait_msec() to wait for
the bit to clear.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-03-14 10:11:06 +10:00
Dave Airlie
9b61c0fcdf Merge drm-fixes into drm-next.
Nouveau wanted this to avoid some worse conflicts when I merge that.
2016-03-14 09:46:02 +10:00
Carlos Palminha
c57d860f4c drm/nouveau/dispnv04: removed optional dummy crtc mode_fixup function.
This patch set nukes all the dummy crtc mode_fixup implementations.
(made on top of Daniel topic/drm-misc branch)

Signed-off-by: Carlos Palminha <palminha@synopsys.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/897eae438eec566078b1872d7654c4863e4e4e57.1455630967.git.palminha@synopsys.com
2016-03-04 18:10:41 +01:00
Ben Skeggs
95664e66fa drm/nouveau/disp/dp: ensure sink is powered up before attempting link training
This can happen under some annoying circumstances, and is a quick fix
until more substantial changes can be made.

Fixed eDP mode changes on (at least) the Lenovo P50.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2016-02-25 13:15:43 +10:00
Thierry Reding
870571a569 drm/nouveau: platform: Fix deferred probe
The error cleanup paths aren't quite correct and will crash upon
deferred probe.

Cc: stable@vger.kernel.org # v4.3+
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-25 12:20:59 +10:00
Rasmus Villemoes
4fbbed46dc drm/nouveau: use post-decrement in error handling
We need to use post-decrement to get the dma_map_page undone also for
i==0, and to avoid some very unpleasant behaviour if dma_map_page
failed already at i==0.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-19 13:36:05 +10:00
Mario Kleiner
ff683df7bf drm/nouveau/display: Enable vblank irqs after display engine is on again.
In the display resume path, move the calls to drm_vblank_on()
after the point when the display engine is running again.

Since changes were made to drm_update_vblank_count() in Linux 4.4+
to emulate hw vblank counters via vblank timestamping, the function
drm_vblank_on() now needs working high precision vblank timestamping
and therefore working scanout position queries at time of call.
These don't work before the display engine gets restarted, causing
miscalculation of vblank counter increments and thereby large forward
jumps in vblank count at display resume. These jumps can cause client
hangs on resume, or desktop hangs in the case of composited desktops.

Fix this Linux 4.4 regression by reordering calls accordingly.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: <stable@vger.kernel.org> # 4.4+
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: ville.syrjala@linux.intel.com
Cc: daniel.vetter@ffwll.ch
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-02-17 14:19:06 +10:00
Lukas Wunner
98b3a3402e drm/nouveau: Defer probe if gmux is present but its driver isn't
gmux is a microcontroller built into dual GPU MacBook Pros.
On pre-retina MBPs, if we're the inactive GPU, we need apple-gmux
to temporarily switch DDC so that we can probe the panel's EDID.

The checks for CONFIG_VGA_ARB and CONFIG_VGA_SWITCHEROO are necessary
because if either of them is disabled but gmux is present, the driver
would never load, even if we're the active GPU. (vga_default_device()
would evaluate to NULL and vga_switcheroo_handler_flags() would
evaluate to 0.)

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Tested-by: Lukas Wunner <lukas@wunner.de>
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/d9542ca5041178165d3ff286c90cc99634f7d2ce.1452525860.git.lukas@wunner.de
2016-02-09 11:21:12 +01:00
Lukas Wunner
39c1c9011c drm/nouveau: Switch DDC when reading the EDID
The pre-retina MacBook Pro uses an LVDS panel and a gmux controller
to switch the panel between its two GPUs. The panel mode in VBIOS
is notoriously bogus on these machines.

Use drm_get_edid_switcheroo() in lieu of drm_get_edid() on LVDS
if the vga_switcheroo handler is capable of temporarily switching
the panel's DDC lines to the discrete GPU. This allows us to retrieve
the EDID if the panel is currently muxed to the integrated GPU.
Likewise, ask vga_switcheroo to switch DDC before probing LVDS
connectors.

This only enables EDID probing on the pre-retina MBP (2008 - 2013).
The retina MBP (2012 - present) uses eDP and gmux is not capable of
switching AUX separately from the main link on these models.
This will be addressed in later patches.

List of pre-retina MBPs with dual GPUs, either or both Nvidia:
    [MBP  5,1 2008  nvidia MCP79 + G96        pre-retina  15"]
    [MBP  5,2 2009  nvidia MCP79 + G96        pre-retina  17"]
    [MBP  5,3 2009  nvidia MCP79 + G96        pre-retina  15"]
    [MBP  6,2 2010  intel ILK + nvidia GT216  pre-retina  15"]
    [MBP  6,1 2010  intel ILK + nvidia GT216  pre-retina  17"]
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]

v3: Commit newly added due to introduction of drm_get_edid_switcheroo()
    wrapper which drivers need to opt-in to.

v5: Rebase on "vga_switcheroo: Add handler flags infrastructure",
    i.e. call drm_get_edid_switcheroo() only if the handler
    indicates that DDC is switchable.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Tested-by: Lukas Wunner <lukas@wunner.de>
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/e9466eb3d66b5b30f1e93c3b3da79d8b9ad0830f.1452525860.git.lukas@wunner.de
2016-02-09 11:21:10 +01:00
Lukas Wunner
156d7d4120 vga_switcheroo: Add handler flags infrastructure
Allow handlers to declare their capabilities and allow clients to
obtain that information. So far we have these use cases:

* If the handler is able to switch DDC separately, clients need to
  probe EDID with drm_get_edid_switcheroo(). We should allow them
  to detect a capable handler to ensure this function only gets
  called when needed.

* Likewise if the handler is unable to switch AUX separately, the active
  client needs to communicate link training parameters to the inactive
  client, which may then skip the AUX handshake and set up its output
  with these pre-calibrated values (DisplayPort specification v1.1a,
  section 2.5.3.3). Clients need a way to recognize such a situation.

The flags for the radeon_atpx_handler and amdgpu_atpx_handler are
initially set to 0, this can later on be amended with
  handler_flags |= VGA_SWITCHEROO_CAN_SWITCH_DDC;
when a ->switch_ddc callback is added.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88861
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61115
Tested-by: Lukas Wunner <lukas@wunner.de>
    [MBP  9,1 2012  intel IVB + nvidia GK107  pre-retina  15"]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/2b0d93ed6e511ca09e95e45e0b35627f330fabce.1452525860.git.lukas@wunner.de
2016-02-09 11:21:07 +01:00
Linus Torvalds
e3de671dd6 asm-generic changes for 4.5
The asm-generic tree this time contains one series from Nicolas Pitre
 that makes the optimized do_div() implementation from the ARM
 architecture available to all architectures. This also adds stricter
 type checking for callers of do_div, which has uncovered a number
 of bugs in existing code, and fixes up the ones we have found.
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Merge tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "The asm-generic tree this time contains one series from Nicolas Pitre
  that makes the optimized do_div() implementation from the ARM
  architecture available to all architectures.

  This also adds stricter type checking for callers of do_div, which has
  uncovered a number of bugs in existing code, and fixes up the ones we
  have found"

* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  ARM: asm/div64.h: adjust to generic codde
  __div64_32(): make it overridable at compile time
  __div64_const32(): abstract out the actual 128-bit cross product code
  do_div(): generic optimization for constant divisor on 32-bit machines
  div64.h: optimize do_div() for power-of-two constant divisors
  mtd/sm_ftl.c: fix wrong do_div() usage
  drm/mgag200/mgag200_mode.c: fix wrong do_div() usage
  hid-sensor-hub.c: fix wrong do_div() usage
  ti/fapll: fix wrong do_div() usage
  ti/clkt_dpll: fix wrong do_div() usage
  tegra/clk-divider: fix wrong do_div() usage
  imx/clk-pllv2: fix wrong do_div() usage
  imx/clk-pllv1: fix wrong do_div() usage
  nouveau/nvkm/subdev/clk/gk20a.c: fix wrong do_div() usage
2016-01-20 17:30:20 -08:00
Linus Torvalds
984065055e Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "This is the main drm pull request for 4.5.  I don't think I've missed
  anything too major, I'm mostly back at work now but I'll probably get
  some sleep in 5 years time.

  Summary:

  New drivers:
   - etnaviv:

     GPU driver for the 3D core on the Vivante core used in numerous
     ARM boards.

  Highlights:

  Core:
   - Atomic suspend/resume helpers
   - Move the headers to using userspace friendlier types.
   - Documentation updates
   - Lots of struct_mutex removal.
   - Bunch of DP MST fixes from AMD.

  Panel:
   - More DSI helpers
   - Support for some new basic panels

  i915:
   - Basic Kabylake support
   - DP link training and detect code refactoring
   - fbc/psr fixes
   - FIFO underrun fixes
   - SDE interrupt handling fixes
   - dma-buf/fence support in pageflip path.
   - GPU side for MST audio support

  radeon/amdgpu:
   - Drop UMS support
   - GPUVM/Scheduler optimisations
   - Initial Powerplay support for Tonga/Fiji/CZ/ST
   - ACP audio prerequisites

  nouveau:
   - GK20a instmem improvements
   - PCIE link speed change support

  msm:
   - DSI support for msm8960/apq8064

  tegra:
   - Host1X support for Tegra210 SoC

  vc4:
   - 3D acceleration support

  armada:
   - Get rid of struct mutex

  tda998x:
   - Atomic modesetting support
   - TMDS clock limitations

  omapdrm:
   - Atomic modesetting support
   - improved TILER performance

  rockchip:
   - RK3036 VOP support
   - Atomic modesetting support
   - Synopsys DW MIPI DSI support

  exynos:
   - Runtime PM support
   - of_graph binding for DP panels
   - Cleanup of IPP code
   - Configurable plane support
   - Kernel panic fixes at release time"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (711 commits)
  drm/fb_cma_helper: Remove implicit call to disable_unused_functions
  drm/amdgpu: add missing irq.h include
  drm/vmwgfx: Fix a width / pitch mismatch on framebuffer updates
  drm/vmwgfx: Fix an incorrect lock check
  drm: nouveau: fix nouveau_debugfs_init prototype
  drm/nouveau/pci: fix check in nvkm_pcie_set_link
  drm/amdgpu: validate duplicates first
  drm/amdgpu: move VM page tables to the LRU end on CS v2
  drm/ttm: add ttm_bo_move_to_lru_tail function v2
  drm/ttm: fix adding foreign BOs to the swap LRU
  drm/ttm: fix adding foreign BOs to the LRU during init v2
  drm/radeon: use kobj_to_dev()
  drm/amdgpu: use kobj_to_dev()
  drm/amdgpu/cz: force vce clocks when sclks are forced
  drm/amdgpu/cz: force uvd clocks when sclks are forced
  drm/amdgpu/cz: add code to enable forcing VCE clocks
  drm/amdgpu/cz: add code to enable forcing UVD clocks
  drm/amdgpu: fix lost sync_to if scheduler is enabled.
  drm/amd/powerplay: fix static checker warning for return meaningless value.
  drm/sysfs: use kobj_to_dev()
  ...
2016-01-17 13:40:25 -08:00
Linus Torvalds
a016af2e70 sound updates for 4.5-rc1
We've had quite busy weeks in this cycle.  Looking at ALSA core, the
 significant changes are a few fixes wrt timer and sequencer ioctls
 that have been revealed by fuzzer recently.  Other than that, ASoC
 core got a few updates about DAI link handling, but these are rather
 straightforward refactoring.
 
 In drivers scene, ASoC received quite lots of new drivers in addition
 to bunch of updates for still ongoing Intel Skylake support and
 topology API.  HD-audio gained a new HDMI/DP hotplug notification via
 component.  FireWire got a pile of code refactoring/updates with
 SCS.1x driver integration.
 
 More highlights are shown below.
 
 [NOTE: this contains also many commits for DRM.  This is due to the
  pull of drm stable branch into sound tree, as the base of i915 audio
  component work for HD-audio.  The highlights below don't contain
  these DRM changes, as these are supposed to be pulled via drm tree in
  anyway sooner or later.]
 
 Core
  - Handful fixes to harden ALSA timer and sequencer ioctls against
    races reported by syzkaller fuzzer
  - Irq description string can be unique to each card; only for
    HD-audio for now
 
 ASoC
  - Conversion of the array of DAI links to a list for supporting
    dynamically adding and removing DAI links
  - Topology API enhancements to make everything more component based
    and being able to specify PCM links via topology
  - Some more fixes for the topology code, though it is still not final
    and ready for enabling in production; we really need to get to the
    point where that can be done
  - A pile of changes for Intel SkyLake drivers which hopefully deliver
    some useful initial functionality for systems with this chipset,
    though there is more work still to come
  - Lots of new features and cleanups for the Renesas drivers
  - ANC support for WM5110
  - New drivers: Imagination Technologies IPs, Atmel class D speaker,
    Cirrus CS47L24 and WM1831, Dialog DA7128, Realtek RT5659 and
    RT56156, Rockchip RK3036, TI PC3168A, and AMD ACP
  - Rename PCM1792a driver to be generic pcm179x
 
 HD-Audio
  - Use audio component for i915 HDMI/DP hotplug handling
  - On-demand binding with i915 driver
  - bdl_pos_adj parameter adjustment for Baytrail controllers
  - Enable power_save_node for CX20722; this shouldn't lead to
    regression, hopefully
  - Kabylake HDMI/DP codec support
  - Quirks for Lenovo E50-80, Dell Latitude E-series, and other Dell
    machines
  - A few code refactoring
 
 FireWire
  - Lots of code cleanup and refactoring
  - Integrate the support of SCS.1x devices into snd-oxfw driver;
    snd-scs1x driver is obsoleted
 
 USB-audio
  - Fix possible NULL dereference at disconnection
  - A regression fix for Native Instruments devices
 
 Misc
  - A few code cleanups of fm801 driver
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Merge tag 'sound-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "We've had quite busy weeks in this cycle.  Looking at ALSA core, the
  significant changes are a few fixes wrt timer and sequencer ioctls
  that have been revealed by fuzzer recently.  Other than that, ASoC
  core got a few updates about DAI link handling, but these are rather
  straightforward refactoring.

  In drivers scene, ASoC received quite lots of new drivers in addition
  to bunch of updates for still ongoing Intel Skylake support and
  topology API.  HD-audio gained a new HDMI/DP hotplug notification via
  component.  FireWire got a pile of code refactoring/updates with
  SCS.1x driver integration.

  More highlights are shown below.

  [ NOTE: this contains also many commits for DRM.  This is due to the
    pull of drm stable branch into sound tree, as the base of i915 audio
    component work for HD-audio.  The highlights below don't contain
    these DRM changes, as these are supposed to be pulled via drm tree
    in anyway sooner or later.  ]

  Core:
   - Handful fixes to harden ALSA timer and sequencer ioctls against
     races reported by syzkaller fuzzer
   - Irq description string can be unique to each card; only for
     HD-audio for now

  ASoC:
   - Conversion of the array of DAI links to a list for supporting
     dynamically adding and removing DAI links
   - Topology API enhancements to make everything more component based
     and being able to specify PCM links via topology
   - Some more fixes for the topology code, though it is still not final
     and ready for enabling in production; we really need to get to the
     point where that can be done
   - A pile of changes for Intel SkyLake drivers which hopefully deliver
     some useful initial functionality for systems with this chipset,
     though there is more work still to come
   - Lots of new features and cleanups for the Renesas drivers
   - ANC support for WM5110
   - New drivers: Imagination Technologies IPs, Atmel class D speaker,
     Cirrus CS47L24 and WM1831, Dialog DA7128, Realtek RT5659 and
     RT56156, Rockchip RK3036, TI PC3168A, and AMD ACP
   - Rename PCM1792a driver to be generic pcm179x

  HD-Audio:
   - Use audio component for i915 HDMI/DP hotplug handling
   - On-demand binding with i915 driver
   - bdl_pos_adj parameter adjustment for Baytrail controllers
   - Enable power_save_node for CX20722; this shouldn't lead to
     regression, hopefully
   - Kabylake HDMI/DP codec support
   - Quirks for Lenovo E50-80, Dell Latitude E-series, and other Dell
     machines
   - A few code refactoring

  FireWire:
   - Lots of code cleanup and refactoring
   - Integrate the support of SCS.1x devices into snd-oxfw driver;
     snd-scs1x driver is obsoleted

  USB-audio:
   - Fix possible NULL dereference at disconnection
   - A regression fix for Native Instruments devices

  Misc:
   - A few code cleanups of fm801 driver"

* tag 'sound-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (722 commits)
  ALSA: timer: Code cleanup
  ALSA: timer: Harden slave timer list handling
  ALSA: hda - Add fixup for Dell Latitidue E6540
  ALSA: timer: Fix race among timer ioctls
  ALSA: hda - add codec support for Kabylake display audio codec
  ALSA: timer: Fix double unlink of active_list
  ALSA: usb-audio: Fix mixer ctl regression of Native Instrument devices
  ALSA: hda - fix the headset mic detection problem for a Dell laptop
  ALSA: hda - Fix white noise on Dell Latitude E5550
  ALSA: hda_intel: add card number to irq description
  ALSA: seq: Fix race at timer setup and close
  ALSA: seq: Fix missing NULL check at remove_events ioctl
  ALSA: usb-audio: Avoid calling usb_autopm_put_interface() at disconnect
  ASoC: hdac_hdmi: remove unused hdac_hdmi_query_pin_connlist
  ASoC: AMD: Add missing include file
  ALSA: hda - Fixup inverted internal mic for Lenovo E50-80
  ALSA: usb: Add native DSD support for Oppo HA-1
  ASoC: Make aux_dev more like a generic component
  ASoC: bcm2835: cleanup includes by ordering them alphabetically
  ASoC: AMD: Manage ACP 2.x SRAM banks power
  ...
2016-01-17 12:05:31 -08:00
Arnd Bergmann
38b1751913 drm: nouveau: fix nouveau_debugfs_init prototype
The new debugfs initialization code fails to build when CONFIG_DEBUG_FS
is disabled:

In file included from /git/arm-soc/drivers/gpu/drm/nouveau/nouveau_drm.c:57:0:
drivers/gpu/drm/nouveau/nouveau_debugfs.h: In function 'nouveau_debugfs_init':
drivers/gpu/drm/nouveau/nouveau_debugfs.h:37:29: error: parameter name omitted
 nouveau_debugfs_init(struct nouveau_drm *)

This fixes the prototypes so we can build it again.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: b126a200e9 ("drm/nouveau/debugfs: we need a ctrl object for debugfs")
Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-01-14 07:56:41 +10:00
Karol Herbst
25c80507dd drm/nouveau/pci: fix check in nvkm_pcie_set_link
v2: remove unneeded pci check

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-01-14 07:56:37 +10:00
Ben Skeggs
a18c91dece drm/nouveau/pmu: prevent falcon from acking interrupts routed to the host
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:30:23 +10:00
Karol Herbst
f68f4c960a drm/nouveau/perf: change pcie speed on pstate change
v2: remove error and only set link for pcie devices
v6: remove check for pcie device

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:23 +10:00
Karol Herbst
d3b378c09c drm/nouveau/perf: add fields for pci speed and width and use it for the pstates
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:22 +10:00
Karol Herbst
c6e2f9bc03 drm/nouveau/bios/perf: parse the pci speed from the bios for tesla and newer cards
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:22 +10:00
Karol Herbst
3aba825ffa drm/nouveau/pci: implement pcie speed change for kepler+
v2: rename functions
v3: remove pcie2 accessors
v6: fix alignement and line width, also remove useless code

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:21 +10:00
Karol Herbst
7c923844bf drm/nouveau/pci: implement pcie speed change for Fermi
v5: don't set kepler func pointers
v6: fix alignment and line length
2016-01-11 11:30:21 +10:00
Karol Herbst
5cca4bdc0d drm/nouveau/pci: implement pcie speed change for tesla
v5: don't set fermi or kepler func pointers
v6: fix alignment
2016-01-11 11:30:20 +10:00
Karol Herbst
bcc19d9bf5 drm/nouveau/pci: implement generic code for pcie speed change
v2: rename and group functions
v4: change copyright information
    move printing of pcie speeds into oneinit,
    rename all pcie functions to nvkm_pcie_*
    don't try to raise the pcie version when no higher one is supported
v5: revert Copyright changes and rename nvkm_pcie_raise_version to nvkm_pcie_set_version
v6: remove some useless pci_is_pcie checks and rework messages

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:20 +10:00
Karol Herbst
28c8060575 drm/nouveau/pci: add gk104 variant
v2: change email used in header
v4: change Copyright information
v5: revert Copyright changes

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:19 +10:00
Karol Herbst
bec4961e2a drm/nouveau/pci: add gf106 variant
v2: change email used in header
v4: change Copyright information
v5: revert Copyright changes

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
2016-01-11 11:30:19 +10:00
Ben Skeggs
0a882cadbc drm/nouveau/kms: take mode_config mutex in connector hotplug path
fdo#93634

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2016-01-11 11:29:36 +10:00
Karol Herbst
2e7db87dee drm/nouveau/nouveau/perfmon: add interface files for current core voltage
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:26 +10:00
Karol Herbst
fcc95ce90f drm/nouveau/sysfs: remove pstate interface
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:26 +10:00
Karol Herbst
6e9fc17739 drm/nouveau/debugfs: add copy of sysfs pstate interface ported to debugfs
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:25 +10:00
Karol Herbst
b126a200e9 drm/nouveau/debugfs: we need a ctrl object for debugfs
Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:25 +10:00
Karol Herbst
56c101af40 drm/nouveau/debugfs: rename functions to indicate they are used inside drm
We will need our own debugfs_init and cleanup functions, because
nouveau_drm isn't ready while the DRM ones are called by DRM.

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:24 +10:00
Karol Herbst
1b7ab1a1c3 drm/nouveau/debugfs: add infrastructure to add files with other fops than only read
v2: use the same object for private data as with the drm debugfs functions

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:24 +10:00
Ben Skeggs
9402aec544 drm/nouveau/fifo/gf100: remove references to "daemon"
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:23 +10:00
Ben Skeggs
bac34ed635 drm/nouveau/fb/nv50: remove references to "daemon"
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:23 +10:00
Ben Skeggs
547dd2714a drm/nouveau/clk: remove references to "daemon"
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:23 +10:00
Ilia Mirkin
caf2be8a34 drm/nouveau/gr/gf100: provide a bit more info for various errors
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:22 +10:00
Ben Skeggs
cf0912924f drm/nouveau/bios: parse 8.1 Gbps DP link rate
From DCB 4.1 spec.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:22 +10:00
Ben Skeggs
7d2813c437 drm/nouveau/ltc/gm204: split implementation from gm107
Differences from GM10x:
- GM20x LTC count detection differs from GM10x
- GM20x init doesn't require large page size setting

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:21 +10:00
Ben Skeggs
4fb9c3f3e5 drm/nouveau/ltc/gm107: use nvkm_mask to set cbc_ctrl1
resman and nvgpu both do this, presumably for good reason.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:21 +10:00
Ben Skeggs
e3d26d0860 drm/nouveau/ibus/gm204: split implementation from gk104
GM20x doesn't require the priv ring timeout bumps that GK/GM10x have.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:28:20 +10:00
Ben Skeggs
5bf561eeca drm/nouveau/gr/gf100-: subclass nvkm_object to store channel pointer
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
f01c4e682c drm/nouveau/nvif: modify nvif_unvers/nvif_unpack macros to be more obvious
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
13db6d6ea7 drm/nouveau/nvif: split out client interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
923bc416aa drm/nouveau/nvif: split out device interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
845f27253c drm/nouveau/nvif: split out ctxdma interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
75445a4d64 drm/nouveau/nvif: split out perfmon interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
671e969696 drm/nouveau/nvif: split out device control interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
8ed1730ccd drm/nouveau/nvif: split out fifo interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
7568b10671 drm/nouveau/nvif: split out display interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
538b269bc5 drm/nouveau/nvif: split out nvsw interface definitons
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
53a6df7785 drm/nouveau/nvif: split out fermi interface definitions
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
08f7633c1d drm/nouveau/nvif: move internal class identifiers to class.h
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
21f560e990 drm/nouveau/gr/gm107-: make use of gpc_addr() macro for tpc ramchain setup
Should be no functional change here.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Alexandre Courbot
b306712d92 drm/nouveau/instmem/gk20a: use DMA API CPU mapping
Commit 69c4938249 ("drm/nouveau/instmem/gk20a: use direct CPU access")
tried to be smart while using the DMA-API by managing the CPU mappings of
buffers allocated with the DMA-API by itself. In doing so, it relied
on dma_to_phys() which is an architecture-private function not
available everywhere. This broke the build on several architectures.

Since there is no reliable and portable way to obtain the physical
address of a DMA-API buffer, stop trying to be smart and just use the
CPU mapping that the DMA-API can provide. This means that buffers will
be CPU-mapped for all their life as opposed to when we need them, but
anyway using the DMA-API here is a fallback for when no IOMMU is
available so we should not expect optimal behavior.

This makes the IOMMU and DMA-API implementations of instmem diverge
enough that we should maybe put them into separate files...

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Alexandre Courbot
338840eed1 drm/nouveau/instmem/gk20a: fix race conditions
The LRU list used for recycling CPU mappings was handling concurrency
very poorly. For instance, if an instobj was acquired twice before being
released once, it would end up into the LRU list even though there is
still a client accessing it.

This patch fixes this by properly counting how many clients are
currently using a given instobj.

While at it, we also raise errors when inconsistencies are detected, and
factorize some code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Nicolas Chauvet
5a9e822f80 drm/nouveau/gk20a: Add MODULE_FIRMWARE for gk20a
This patch is needed by initramfs tools to detect
the required firmware files for the module.

This patch tests for either TEGRA_124_SOC or TEGRA_132_SOC
for the firmwares related to the Tegra K1 generation.

v2: move the MODULE_FIRMWARE to the nvidia_platform.c file.
 This will avoid to test for NOUVEAU_PLATFORM_DRIVER

Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Vince Hsu
da4ee13cd5 drm/nouveau/fifo/gk104: fix engine status register offset
The offset should be 8 on Kepler and later.

Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
864d55f407 drm/nouveau/ce/gk104: attempt at better handling of LAUNCHERR
Very rough, no idea how correct it is at this point, but it prevents
getteximage-depth from piglit from hanging the GPU.

v2: updated with NV_PCE_FE_LAUNCHERR_REPORT values provided by NVIDIA

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
d40d0fd487 drm/nouveau/fifo/gf100: fix race condition when updating engine runlists
Similar in spirit to the gk104 fix with a similar title.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ben Skeggs
386ffd5e80 drm/nouveau/fifo/gk104: fix race condition when updating engine runlists
The CPU-side tracking of engine runlists was not protected by a lock,
leading to list corruption, eventually causing runlist_update() to
overrun the GPU-side runlist, triggering an OOPS.

Fixes some of the issues noticed during parallel piglit runs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ilia Mirkin
cfb4f929f7 drm/nouveau/nvkm: add/remove 0's to make 7 (or 9)-nibble constants use 8 nibbles
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ilia Mirkin
700c18ca08 drm/nouveau/kms: no need to check for empty edid before drm_detect_hdmi_monitor
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Alexandre Courbot
1299b6377b drm/nouveau/core: fix return in error path of device probe
We want to unlock nv_devices_mutex in this error path as well.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Ilia Mirkin
1a0c96c075 drm/nouveau/kms: allow 225/297MHz pixel clocks for HDMI on Fermi/Kepler
Some Fermi's apparently alow allow 297MHz clocks, so create a parameter
which allows end-users to set it themselves until we have a reliable way
to determine the board's maximum pixel clocks.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Hauke Mehrtens
16ef53a93c drm/nouveau/disp: activate dual link TMDS links only when possible
Without this patch a pixel clock rate above 165 MHz on a TMDS link is
assumed to be dual link. This is true for DVI, but not for HDMI. HDMI
supports no dual link, but it supports pixel clock rates above 165 MHz.
Only activate Dual Link mode when it is actually possible and requested.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
[imirkin: check for hdmi monitor for computing proto, use sor ctrl to
 enable extra config bit]
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
Dave Airlie
3bea6a4c78 Merge branch 'linux-4.4' of git://github.com/skeggsb/linux into drm-fixes
single nv40 oops fix.

* 'linux-4.4' of git://github.com/skeggsb/linux:
  drm/nouveau/gr/nv40: fix oops in interrupt handler
2016-01-07 17:18:45 +10:00
Takashi Iwai
9d9938854e Merge branch 'for-linus' into for-next
Conflicts:
	drivers/gpu/drm/i915/intel_display.c
	sound/soc/intel/skylake/skl.h
2016-01-06 21:14:35 +01:00
Ben Skeggs
9daf38f4fc drm/nouveau/gr/nv40: fix oops in interrupt handler
fdo#93557

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2016-01-05 07:51:18 +10:00
Dave Airlie
20f8e032e6 Backmerge drm-fixes merge into Linus's tree into drm-next.
This merges '5b726e06d6e8309e5c9ef4109a32caf27c71dfc8' into drm-next

Just to resolve some merges to make Daniel's life easier.

Signed-off-by: DAve Airlie <airlied@redhat.com>
2015-12-24 08:08:47 +10:00
Takashi Iwai
59c8231089 Merge branch 'for-linus' into for-next
Conflicts:
	drivers/gpu/drm/i915/intel_pm.c
2015-12-23 08:33:34 +01:00
Dave Airlie
6545f31897 Merge branch 'linux-4.4' of git://github.com/skeggsb/linux into drm-fixes
single nouveau fix.

* 'linux-4.4' of git://github.com/skeggsb/linux:
  drm/nouveau/bios/fan: hardcode the fan mode to linear
2015-12-19 13:25:42 +10:00
Martin Peres
a814a29d7b drm/nouveau/bios/fan: hardcode the fan mode to linear
This is an oversight that made use of the trip-point-based fan managenent on
cards that never expose those. This led the fan to stay at fan_min.

Fortunately, the emergency code would kick when the temperature would reach
90°C.

Reported-by: Tom Englund <tomenglund26@gmail.com>
Tested-by: Tom Englund <tomenglund26@gmail.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Tested-by: Daemon32 <lnf.purple@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92126
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2015-12-18 09:01:22 +10:00
Nicolas Iooss
e112e593b2 drm: use dev_name as default unique name in drm_dev_alloc()
The following code pattern exists in some DRM drivers:

    ddev = drm_dev_alloc(&driver, parent_dev);
    drm_dev_set_unique(ddev, dev_name(parent_dev));

(Sometimes dev_name(ddev->dev) is used, which is the same.)

As suggested in
http://lists.freedesktop.org/archives/dri-devel/2015-December/096441.html,
the unique name of a new DRM device can be set as dev_name(parent_dev)
when parent_dev is not NULL (vgem is a special case).

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-12-15 13:56:06 +01:00
Nicolas Iooss
399368aab3 drm: make drm_dev_set_unique() not use a format string
drm_dev_set_unique() uses a format string to define the unique name of a
device.  This feature is not used as currently all the calls to this
function either use "%s" as a format string or directly use
dev_name().

Even though this second kind of call does not introduce security
problems, because there cannot be "%" characters in dev_name() results,
gcc issues a warning when building with -Wformat-security flag
("warning: format string is not a string literal (potentially
insecure)").  This warning is useful to find real bugs like the one
fixed by commit 3958b79266 ("configfs: fix kernel infoleak through
user-controlled format string").  False positives which do not bring
an extra value make the work of finding real bugs harder.

Therefore remove the format-string feature from drm_dev_set_unique().

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1449829228-4425-1-git-send-email-nicolas.iooss_linux@m4x.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-12-15 13:52:38 +01:00
Ville Syrjälä
ebb79a32ba drm/nouveau: Constify function pointer structs
Moves a bunch of junk to .rodata from .data.

 drivers/gpu/drm/nouveau/nouveau.ko:
-.rodata                      105688
+.rodata                      105792
-.data                        125724
+.data                        125620

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-24-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-12-15 13:47:45 +01:00
Ville Syrjälä
16c3719c17 drm: Constify drm_encoder_slave_funcs
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-11-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-12-15 13:41:17 +01:00
Ville Syrjälä
13a3d91f17 drm: Pass 'name' to drm_encoder_init()
Done with coccinelle for the most part. However, it thinks '...' is
part of the semantic patch, so I put an 'int DOTDOTDOT' placeholder
in its place and got rid of it with sed afterwards.

@@
identifier dev, encoder, funcs;
@@
 int drm_encoder_init(struct drm_device *dev,
                      struct drm_encoder *encoder,
                      const struct drm_encoder_funcs *funcs,
                      int encoder_type
+                     ,const char *name, int DOTDOTDOT
                      )
{ ... }

@@
identifier dev, encoder, funcs;
@@
 int drm_encoder_init(struct drm_device *dev,
                      struct drm_encoder *encoder,
                      const struct drm_encoder_funcs *funcs,
                      int encoder_type
+                     ,const char *name, int DOTDOTDOT
                      );

@@
expression E1, E2, E3, E4;
@@
 drm_encoder_init(E1, E2, E3, E4
+                 ,NULL
                  )

v2: Add ', or NULL...' to @name kernel doc (Jani)
    Annotate the function with __printf() attribute (Jani)

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449670818-2966-1-git-send-email-ville.syrjala@linux.intel.com
2015-12-11 09:13:20 +01:00
Dave Airlie
ff6e0fd55e Merge branch 'linux-4.4' of https://github.com/skeggsb/linux into drm-fixes
Just the one commit I mentioned earlier, making the PGOB workaround the
default.

* 'linux-4.4' of https://github.com/skeggsb/linux:
  drm/nouveau/pmu: remove whitelist for PGOB-exit WAR, enable by default
2015-12-09 14:15:58 +10:00
Ben Skeggs
714a98fc3f drm/nouveau/pmu: remove whitelist for PGOB-exit WAR, enable by default
NVIDIA have indicated that the workaround is required on all GK10[467]
boards that have the PGOB fuse set.

I've left the commandline option in place for now, as paranoia.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-12-09 10:33:47 +10:00
Daniel Vetter
129b782008 drm: Move encoder->save/restore into nouveau
Nouveau is the only user, and atomic drivers should do state
save/restoring differently. So move it into noveau.

Saves me typing some kerneldoc, too ;-)

v2: Move misplaced hunk into earlier nouveau patch.

Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449245647-1315-1-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com>
2015-12-08 16:13:50 +01:00
Daniel Vetter
2c3d77155f drm/nouveau: Use private save/restore hooks for CRTCs
I want to remove the core ones since with atomic drivers system
suspend/resume is solved much differently. And there's only 2 drivers
(gma500 besides nouveau) really using them.

v2: Fixup bugs Ilia spotted.

Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449245618-1127-1-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com>
2015-12-08 16:13:49 +01:00
Daniel Vetter
fee6fdfa69 drm/nouveau: Ditch NULL save/restore hook assignments
gcc does this for us, and these hooks will be gone soon.

Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-9-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com>
2015-12-08 16:07:54 +01:00
Daniel Vetter
b516a9efb7 drm: Move LEAVE/ENTER_ATOMIC_MODESET to fbdev helpers
This is only used for kgdb (and previously panic) handlers in
the fbdev emulation, so belongs there.

Note that this means we'll leave behind a forward declaration, but
once all the helper vtables are consolidated (in the next patch) that
will make more sense.

v2: fixup radone/amdgpu.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-3-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com> (v2)
2015-12-08 16:07:51 +01:00
Dave Airlie
e876b41ab0 Linux 4.4-rc4
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Back merge tag 'v4.4-rc4' into drm-next

We've picked up a few conflicts and it would be nice
to resolve them before we move onwards.
2015-12-08 11:04:26 +10:00
Daniel Vetter
bbc8764f80 drm/nouveau: Fix pre-nv50 pageflip events (v4)
Apparently pre-nv50 pageflip events happen before the actual vblank
period. Therefore that functionality got semi-disabled in

commit af4870e406
Author: Mario Kleiner <mario.kleiner.de@gmail.com>
Date:   Tue May 13 00:42:08 2014 +0200

    drm/nouveau/kms/nv04-nv40: fix pageflip events via special case.

Unfortunately that hack got uprooted in

commit cc1ef118fc
Author: Thierry Reding <treding@nvidia.com>
Date:   Wed Aug 12 17:00:31 2015 +0200

    drm/irq: Make pipe unsigned and name consistent

Triggering a warning when trying to sample the vblank timestamp for a
non-existing pipe. There's a few ways to fix this:

- Open-code the old behaviour, which just enshrines this slight
  breakage of the userspace ABI.

- Revert Mario's commit and again inflict broken timestamps, again not
  pretty.

- Fix this for real by delaying the pageflip TS until the next vblank
  interrupt, thereby making it accurate.

This patch implements the third option. Since having a page flip
interrupt that happens when the pageflip gets armed and not when it
completes in the next vblank seems to be fairly common (older i915 hw
works very similarly) create a new helper to arm vblank events for
such drivers.

v2 (Mario Kleiner):
- Fix function prototypes in drmP.h
- Add missing vblank_put() for pageflip completion without
  pageflip event.
- Initialize sequence number for queued pageflip event to avoid
  trouble in drm_handle_vblank_events().
- Remove dead code and spelling fix.

v3 (Mario Kleiner):
- Add a signed-off-by and cc stable tag per Ilja's advice.

v4 (Thierry Reding):
- Fix kerneldoc typo, discovered by Michel Dänzer
- Rearrange tags and changelog

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=106431
Cc: Thierry Reding <treding@nvidia.com>
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: stable@vger.kernel.org # v4.3
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-12-04 13:49:38 +10:00
Dave Airlie
aeb745e9b5 Merge tag 'topic/drm-misc-2015-11-26' of git://anongit.freedesktop.org/drm-intel into drm-next
Here's the first drm-misc pull, with really mostly misc stuff all over.
Somewhat invasive is only Ville's change to mark the arg struct for
fb_create const - that might conflict with a new driver pull. So better to
get in fast.

* tag 'topic/drm-misc-2015-11-26' of git://anongit.freedesktop.org/drm-intel:
  drm/mm: use list_next_entry
  drm/i915: fix potential dangling else problems in for_each_ macros
  drm: fix potential dangling else problems in for_each_ macros
  drm/sysfs: Send out uevent when connector->force changes
  drm/atomic: Small documentation fix.
  drm/mm: rewrite drm_mm_for_each_hole
  drm/sysfs: Grab lock for edid/modes_show
  drm: Print the src/dst/clip rectangles in error in drm_plane_helper
  drm: Add "prefix" parameter to drm_rect_debug_print()
  drm: Keep coordinates in the typical x, y, w, h order instead of x, y, h, w
  drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()
  drm: modes: replace simple_strtoul by kstrtouint
  drm: Describe the Rotation property bits.
  drm: Remove unused fbdev_list members
  GPU-DRM: Delete unnecessary checks before drm_property_unreference_blob()
  drm/dp: add eDP DPCD backlight control bit definitions
  drm/tegra: Remove local fbdev emulation Kconfig option
  drm/imx: Remove local fbdev emulation Kconfig option
  drm/gem: Update/Polish docs
  drm: Update GEM refcounting docs
2015-12-01 08:01:18 +10:00
Dave Airlie
8c14f72b57 Merge branch 'linux-4.4' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Ben Skeggs wrote:
A couple of regression fixes, some more boards whitelisted for a hw bug
workaround, gr/ucode fixes for hangs a user is seeing.

The changes look larger than they actually are due to the ucode binaries
(*.fucN.h) being regenerated.

* 'linux-4.4' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau/volt/pwm/gk104: fix an off-by-one resulting in the voltage not being set
  drm/nouveau/nvif: allow userspace access to its own client object
  drm/nouveau/gr/gf100-: fix oops when calling zbc methods
  drm/nouveau/gr/gf117-: assume no PPC if NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK is zero
  drm/nouveau/gr/gf117-: read NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK from correct GPC
  drm/nouveau/gr/gf100-: split out per-gpc address calculation macro
  drm/nouveau/bios: return actual size of the buffer retrieved via _ROM
  drm/nouveau/instmem: protect instobj list with a spinlock
  drm/nouveau/pci: enable c800 magic for some unknown Samsung laptop
  drm/nouveau/pci: enable c800 magic for Clevo P157SM
2015-11-28 06:50:34 +10:00
Martin Peres
ef0e9f5518 drm/nouveau/volt/pwm/gk104: fix an off-by-one resulting in the voltage not being set
Reported-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Martin Peres <martin.peres@free.fr>
2015-11-25 15:37:45 +10:00
Ben Skeggs
f5e551873e drm/nouveau/nvif: allow userspace access to its own client object
Regression from "abi16: implement limited interoperability with
usif/nvif".

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ben Skeggs
0d7fc24616 drm/nouveau/gr/gf100-: fix oops when calling zbc methods
Somehow missed these two when removing dodgy void casts during the
rework.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ben Skeggs
2fb2b3c6e4 drm/nouveau/gr/gf117-: assume no PPC if NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK is zero
fdo#92761

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ben Skeggs
ccb7b6ba07 drm/nouveau/gr/gf117-: read NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK from correct GPC
Each GPCCS unit was reading the mask from GPC0, which causes problems on
boards where some GPCs are missing PPCs.

Part of the fix for fdo#92761.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ben Skeggs
7028156a91 drm/nouveau/gr/gf100-: split out per-gpc address calculation macro
There's a few places where we need to access a GPC register from ucode,
but outside of the falcon's io address space.  To do this we need to
calculate the offset based on which GPC we're executing on.

This used to be done manually, but we've since found a "base" offset
that can be added by the hardware.  To use this, an extra bit needs to
be set in the register address, which is what this macro achieves.

There should be no functional change from this commit.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ben Skeggs
954329412e drm/nouveau/bios: return actual size of the buffer retrieved via _ROM
Fixes detection of a failed attempt at fetching the entire ROM image
in one-shot (a violation of the spec, that works a lot of the time).

Tested on a HP Zbook 15 G2.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +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
c294a052f8 drm/nouveau/pci: enable c800 magic for some unknown Samsung laptop
fdo#70354 - comment #88.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Karol Herbst
269249e174 drm/nouveau/pci: enable c800 magic for Clevo P157SM
this is needed for my gpu

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-25 15:31:21 +10:00
Ville Syrjälä
1eb83451ba drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()
Drivers shouldn't clobber the passed in addfb ioctl parameters.
i915 was doing just that. To prevent it from happening again,
pass the struct around as const, starting all the way from
internal_framebuffer_create().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-11-24 11:47:38 +01:00
Lukas Wunner
cb1197173f drm: Remove unused fbdev_list members
I noticed that intel_fbdev->our_mode is unused. Introduced by
79e539453b ("DRM: i915: add mode setting support").

Then I noticed that intel_fbdev->fbdev_list is unused as well.
Introduced by 386516744b ("drm/fb: fix fbdev object model +
cleanup properly.") in i915, nouveau and radeon.

Subsequently cargo culted to amdgpu, ast, cirrus, qxl, udl,
virtio and mgag200.

Already removed from the latter with cc59487a05 ("drm/mgag200:
'fbdev_list' in 'struct mga_fbdev' is not used").

Remove it from the others.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-11-24 11:41:52 +01:00
Nicolas Pitre
8cb87c0407 nouveau/nvkm/subdev/clk/gk20a.c: fix wrong do_div() usage
do_div() must only be used with a u64 dividend.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
2015-11-16 12:37:54 -05:00
Linus Torvalds
c5a37883f4 Merge branch 'akpm' (patches from Andrew)
Merge final patch-bomb from Andrew Morton:
 "Various leftovers, mainly Christoph's pci_dma_supported() removals"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  pci: remove pci_dma_supported
  usbnet: remove ifdefed out call to dma_supported
  kaweth: remove ifdefed out call to dma_supported
  sfc: don't call dma_supported
  nouveau: don't call pci_dma_supported
  netup_unidvb: use pci_set_dma_mask insted of pci_dma_supported
  cx23885: use pci_set_dma_mask insted of pci_dma_supported
  cx25821: use pci_set_dma_mask insted of pci_dma_supported
  cx88: use pci_set_dma_mask insted of pci_dma_supported
  saa7134: use pci_set_dma_mask insted of pci_dma_supported
  saa7164: use pci_set_dma_mask insted of pci_dma_supported
  tw68-core: use pci_set_dma_mask insted of pci_dma_supported
  pcnet32: use pci_set_dma_mask insted of pci_dma_supported
  lib/string.c: add ULL suffix to the constant definition
  hugetlb: trivial comment fix
  selftests/mlock2: add ULL suffix to 64-bit constants
  selftests/mlock2: add missing #define _GNU_SOURCE
2015-11-10 21:14:23 -08:00
Dave Airlie
10855aeb1e drm/nouveau: fix build failures on all non ARM.
gk20a is an ARM only GPU, so we can just do the correct thing on
ARM but fail on other architectures. The other option was to use
SWIOTLB as the define, which means phys_to_page exists, but
this seems clearer.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-11-11 12:37:57 +10:00
Christoph Hellwig
0dcc4a59d5 nouveau: don't call pci_dma_supported
Just try to set a 64-bit DMA mask first and retry with the smaller dma_mask
if dma_set_mask failed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10 16:32:11 -08:00
Ben Skeggs
79ef5dca5e drm/nouveau: bump patchlevel to indicate availability of abi16/nvif interop
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
2621a41647 drm/nouveau/abi16: implement limited interoperability with usif/nvif
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
786a57ef2c drm/nouveau/abi16: introduce locked variant of nouveau_abi16_get()
USIF already takes the client mutex, but will need access to ABI16 data
in order to provide some limited interoperability.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
09433f24e6 drm/nouveau/abi16: remove unused argument from nouveau_abi16_get()
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ilia Mirkin
b41c48571d drm/nouveau/pci: enable c800 magic for Medion Erazer X7827
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91557
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ilia Mirkin
a2736b07df drm/nouveau/pci: enable c800 magic for Lenovo Y510P
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70354#c75
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Karol Herbst
78eaf335e4 drm/nouveau/pll/gk104: fix PLL instability due to bad configuration with gddr5
This patch uses an approach closer to the nvidia driver to configure
both PLLs for high gddr5 memory clocks (usually above 2400MHz)

Previously nouveau used the one PLL as it was used for the lower clocks
and just adjusted the second PLL to get as close as possible to the
requested clock.  This means for my card, that I got a 4050 MHz clock
although 4008 MHz was requested.

Now the driver iterates over a list of PLL configuration also used by
the nvidia driver and then adjust the second PLL to get near the
requested clock.  Also it hold to some restriction I found while
analyzing the PLL configurations

This won't fix all gddr5 high clock issues itself, but it should be
fine on hybrid gpu systems as found on many laptops these days.  Also
switching while normal desktop usage should be a lot more stable than
before.

v2: move the pll code into ramgk104

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
0d42743dfa drm/nouveau/clk/g84: Enable reclocking for GDDR3 G94-G200
Your milage may vary, as it's only been tested on a single G94 and one G96.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
271c27665c drm/nouveau/bus/hwsq: Implement VBLANK waiting heuristic
Avoids waiting for VBLANKS that never arrive on headless or otherwise
unconventional set-ups. Strategy taken from MEMX.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
4d9faafa0f drm/nouveau/fb/ramnv50: Script changes for G94 and up
10053c is not even read on some cards, and I have no idea exactly what the
criteria are. Likely NVIDIA pre-scans the VBIOS and in their driver disables
all features that are never used. The practical effect should be the same
as this implementation though.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
797eb6ed8f drm/nouveau/fb/ramnv50: Deal with cards without timing entries
Like Pierre's G94. We might want to structure Kepler similarly in a follow-up.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
1cf688dd1b drm/nouveau/fb/ramnv50: Voltage GPIOs
Does not seem to be necessary for NVA0, hence untested by me.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
0b0b78cd7d drm/nouveau/fb/ramgt215: Restructure r111100 calculation for DDR2
Seems to be mostly equal to DDR3 on < GT218, should improve stability for
DDR2 reclocks.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
ef6e8f4c7f drm/nouveau/fb/ramgt215: Change FBVDD/Q when BIOS asks for it
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
e0a37f85fc drm/nouveau/fb/ramgt215: Transform GPIO ramfuc method from FBVREF-specific to generic
In preparation of changing FBVDDQ, as observed on at least one GDDR3 card.
While at it, adhere to func.log[1] properly for consistency.

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Roy Spliet
b4f2bf33bb drm/nouveau/bios/rammap: Identify DLLoff for >= GF100
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Pierre Moreau
5d5b43f59b drm/nouveau/pci: Handle 5-bit and 8-bit tag field
If the hardware supports extended tag field (8-bit ones), then enable it.

This is usually done by the VBIOS, but not on some MBPs (see fdo#86537).

In case extended tag field is not supported, 5-bit tag field is used which
limits the possible number of requests to 32. Apparently bits 7:0 of
0x08841c stores some number of outstanding requests, so cap it to 32 if
extended tag is unsupported.

Fixes: fdo#86537

v2: Restrict changes to chipsets >= 0x84
v3:
  * Add nvkm_pci_mask to pci.h
  * Mask bit 8 before setting it
v4:
  * Rename `add` argument of nvkm_pci_mask to `value`
  * Move code from nvkm_pci_init to g84_pci_init and remove PCIe and chipset
    checks
v5:
  * Rebase code on latest PCI structure
  * Restore PCIe check
  * Fix namings in nvkm_pci_mask
  * Rephrase part of the commit message

Signed-off-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Julia Lawall
354a224966 drm/nouveau/disp,pm: constify nvkm_object_func structures
These nvkm_object_func structures are never modified.  All other
nvkm_object_func structures are declared as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ilia Mirkin
2e69a5cd25 drm/nouveau/gr: add FERMI_COMPUTE_B class to GF110+
GF110+ supports both the A and B compute classes, make sure to accept
both.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ilia Mirkin
3988f645f0 drm/nouveau/gr: document mp error 0x10
NVIDIA provided the documentation for mp error 0x10, INVALID_ADDR_SPACE,
which apparently happens when trying to use an atomic operation on
local or shared memory (instead of global memory).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Sudip Mukherjee
bad4274a69 drm/nouveau: fix memory leak
If pm_runtime_get_sync() we were going to "out" but we missed freeing
vma.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Sudip Mukherjee
4458c5639b drm/nouveau: remove unused function
coverity.com reported that memset was using a buffer of size 0, on
checking the code it turned out that the function was not being used. So
remove it.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
3c9aca3181 drm/nouveau/pmu/gk107: enable PGOB codepaths
Reported to be needed as per fdo#70354 comment #61.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
560f989fe4 drm/nouveau/pmu/gk104: check fuse to determine presence of PGOB
Not 100% confirmed, but seems to match from the few boards I've looked
at so far.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
779d16aacc drm/nouveau/pci: prepare for chipset-specific initialisation tasks
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
c4266a9c7b drm/nouveau/pci/nv46: attempt to fix msi, and re-enable by default
Was not able to obtain a trace of NVRM due to kernel version annoyances,
however, experimentally confirmed that the WAR we use on NV50/G8x boards
works here too.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
b31505c472 drm/nouveau/pci/g94: split implementation from nv40
An upcoming patch will implement functionality that we don't use on any
NV40 chipset.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Ben Skeggs
3e55b53bc7 drm/nouveau/pci/g84: split implementation from nv50
An upcoming patch will implement functionality that we don't use on the
original NV50.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Samuel Pitoiset
b6afa2650c drm/nouveau/ibus/gf100: increase wait timeout to avoid read faults
Increase clock timeout of some unknown engines in order to avoid failure
at high gpcclk rate.

This fixes IBUS read faults on my GF119 when reclocking is manually
enabled. Note that memory reclocking is completely broken and NvMemExec
has to be disabled to allow core clock reclocking only.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Martin Peres
24580d1c31 drm/nouveau/gm204/6: add voltage control using the new gk104 volt class
I got confirmation that we can read and change the voltage with the same code.
The divider is also computed correctly on the gm204 we got our hands on.

Thanks to Yoshimo on IRC for executing the tests on his gm204!

Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2015-11-03 15:02:18 +10:00
Martin Peres
dc47700f7d drm/nouveau/gm107: add voltage control using the new gk104 volt class
Let's ignore the other desktop Maxwells until I get my hands on one and confirm
that we still can change the voltage.

Signed-off-by: Martin Peres <martin.peres@free.fr>
2015-11-03 15:02:18 +10:00