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Probably missing something here, doesn't make a lot of sense to write
or+link data into a register whose offset is calculated by the same
or+link info..
This is the all I've witnessed the binary driver and vbios doing so
far, so it'll do.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The binary driver has been doing this since GF119, and we've somehow
gotten away with it. But, TMDS that hasn't been initialised already
by the x86 vbios code is distorted without it on GM204.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Logging at trace level, rather than as en error, as it seems conceivable
that failure could be normal under certain circumstances (new bios,
older sink that doesn't support a particular DPCD address)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Starting from GM204, certain registers are no longer accessible by the host
(or unsigned PMU firmware).
This commit implements devinit on PMU, using a signed microcode image, and
devinit data, from the VBIOS.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The field at +0x2 is technically processor specific, though I don't know
that it's ever mattered in practice (yet).
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
We're about to need to be able to fetch additional chunks of data beyond
the primary bios image, which makes fetching a lot more complicated.
This splits out the verious shadowing routines to be nothing more than
very dumb "fetch this much data from this offset" routines, and leaves
the logic of what and how much to fetch in common code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Just a couple of fixes for the fallout from the fence rework.
* 'linux-3.18' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/gf116: remove copy1 engine
drm/nouveau: prevent stale fence->channel pointers, and protect with rcu
drm/nouveau/fifo/g84-: ack non-stall interrupt before handling it
Indications are that no GF116's actually have a copy engine there, but
actually have the decompression engine. This engine can be made to do
copies, but that should be done separately.
Unclear why this didn't turn up on all GF116's, but perhaps the
non-mobile ones came with enough VRAM to not trigger ttm migrations in
test scenarios.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=85465
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=59168
Cc: stable@vger.kernel.org
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Closes a very unlikely race that can occur if another NonStallInterrupt
method passes between checking fences and acking the previous interrupt.
With this change, the interrupt will re-fire under such conditions.
Tested-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
It happens on occasion that developers of generic user-space applications
abuse the dumb buffer API to get hold of drm buffers that they can both
mmap() and use for GPU acceleration, using the assumptions that dumb buffers
and buffers available for GPU are
a) The same type and can be aribtrarily type-casted.
b) fully coherent.
This patch makes the most widely used drivers warn nicely when that happens,
the next step will be to fail.
v2: Move drmP.h changes to drm_gem.h. Fix Radeon dumb mmap breakage.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
So with all the code movement and extraction in intel_pm.c in -next
git is hopelessly confused with
commit 2208d655a91f9879bd9a39ff9df05dd668b3512c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Nov 14 09:25:29 2014 +0100
drm/i915: drop WaSetupGtModeTdRowDispatch:snb
from -fixes. Worse even small changes in -next move around the
conflict context so rerere is equally useless. Let's just backmerge
and be done with it.
Conflicts:
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/intel_pm.c
Except for git getting lost no tricky conflicts really.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
The Baseline_ELD_Len field does not include ELD Header Block size.
From High Definition Audio Specification, Revision 1.0a:
The header block is a fixed size of 4 bytes. The baseline block
is variable size in multiple of 4 bytes, and its size is defined
in the header block Baseline_ELD_Len field (in number of
DWords).
Do not include the header size in Baseline_ELD_Len field. Fix all known
users of eld[2].
While at it, switch to DIV_ROUND_UP instead of open coding it.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Dave Airlie <airlied@linux.ie>
[danvet: Fix compile fail in nouveau.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
One modesetting, one gk20a fix.
* 'linux-3.18' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/nv50/disp: Fix modeset on G94
drm/gk20a/fb: fix setting of large page size bit
Commit 1dce6264045cd23e9c07574ed0bb31c7dce9354f introduced a regression
spotted on several G94 (FDObz #85160). This device seems to expect the
vblank period to be set after setting scale instead of before.
V2: shove this in a separate function
This is a candidate bug-fix for 3.18
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Tested-by: Zlatko Calusic <zcalusic@bitsync.net>
Tested-by: Michael Riesch <michael@riesch.at>
Tested-by: "poma" <pomidorabelisima@gmail.com>
Tested-by: Adam Williamson <adamw@happyassassin.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Commit "ltc/gf100-: fix cbc issues on certain boards" moved the setting
of the large page size bit from bar/nvc0 to fb/nvc0. GK20A uses its own
FB device and the change was thus not applied to it - fix this.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Just a bit of OCD cleanup on headers - this function isn't the core
interface any more but just a helper for drivers who haven't yet
transitioned to universal planes. Put the declaration at the right
spot and sprinkle necessary #includes over all drivers.
Maybe this helps to encourage driver maintainers to do the switch.
v2: Fix #include ordering for tegra, reported by 0-day builder.
v3: Include required headers, reported by Thierry.
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Thierry Reding <treding@nvidia.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
two nouveau fixes.
* 'linux-3.18' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau: fix regression on agp boards
drm/gt215/gr: fix initialisation on gddr5 boards
Extends the fix in f2f9a2cbaf019481feefe231f996d3602612fa99 to also
workaround permission issues noticed by people using AGP systems.
Cc: stable@vger.kernel.org # 3.16: f2f9a2c: drm/nouveau: fix regression
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The binary driver modifies the default context to have this value, rather
than 0x3d0040, *after* it's filled the buffer with the usual golden data.
We don't really have anything in place to locate the correct offset to do
these type of modifications outside of the generation function, so this
will have to do.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Pull drm updates from Dave Airlie:
"This is the main git pull for the drm,
I pretty much froze major pulls at -rc5/6 time, and haven't had much
fallout, so will probably continue doing that.
Lots of changes all over, big internal header cleanup to make it clear
drm features are legacy things and what are things that modern KMS
drivers should be using. Also big move to use the new generic fences
in all the TTM drivers.
core:
atomic prep work,
vblank rework changes, allows immediate vblank disables
major header reworking and cleanups to better delinate legacy
interfaces from what KMS drivers should be using.
cursor planes locking fixes
ttm:
move to generic fences (affects all TTM drivers)
ppc64 caching fixes
radeon:
userptr support,
uvd for old asics,
reset rework for fence changes
better buffer placement changes,
dpm feature enablement
hdmi audio support fixes
intel:
Cherryview work,
180 degree rotation,
skylake prep work,
execlist command submission
full ppgtt prep work
cursor improvements
edid caching,
vdd handling improvements
nouveau:
fence reworking
kepler memory clock work
gt21x clock work
fan control improvements
hdmi infoframe fixes
DP audio
ast:
ppc64 fixes
caching fix
rcar:
rcar-du DT support
ipuv3:
prep work for capture support
msm:
LVDS support for mdp4, new panel, gpu refactoring
exynos:
exynos3250 SoC support, drop bad mmap interface,
mipi dsi changes, and component match support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
drm/mst: rework payload table allocation to conform better.
drm/ast: Fix HW cursor image
drm/radeon/kv: add uvd/vce info to dpm debugfs output
drm/radeon/ci: add uvd/vce info to dpm debugfs output
drm/radeon: export reservation_object from dmabuf to ttm
drm/radeon: cope with foreign fences inside the reservation object
drm/radeon: cope with foreign fences inside display
drm/core: use helper to check driver features
drm/radeon/cik: write gfx ucode version to ucode addr reg
drm/radeon/si: print full CS when we hit a packet 0
drm/radeon: remove unecessary includes
drm/radeon/combios: declare legacy_connector_convert as static
drm/radeon/atombios: declare connector convert tables as static
drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
drm/radeon/dpm: drop clk/voltage dependency filters for BTC
drm/radeon/dpm: drop clk/voltage dependency filters for CI
drm/radeon/dpm: drop clk/voltage dependency filters for SI
drm/radeon/dpm: drop clk/voltage dependency filters for NI
drm/radeon: disable audio when we disable hdmi (v2)
drm/radeon: split audio enable between eg and r600 (v2)
...
