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Tracepoint is not used and won't be suitable for its replacement.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Provide the same information as the other request event classes.
v2: Pass in flags so we can properly report the blocking status.
(Chris Wilson)
v3: Log hex with 0x prefix for clarity.
v4: Derive blocking status from flags. (Chris Wilson)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Rename it to i915_gem_request_queue and fix the logged info
equivalent to the i915_gem_request even class. Also moved it
a bit further apart from the i915_gem_request_add tracepoint
since they otherwise provide similar information too close in
time.
v2: Remove sw fence singalling. We will rely on the soon to
come GuC scheduling backend to enable that. (Chris Wilson)
v3: Log hex with 0x prefix for clarity.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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At the moment only the global seqno is logged which is not set
until the request is ready for submission.
Add the per-contex seqno and the context hardware id which are
both interesting data points.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Compact the name of the macro and reg_state variable, and cache
some data in local variables to make the function more compact
and more readable.
v2: Fixup some checkpatch warnings.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170221095839.30525-1-tvrtko.ursulin@linux.intel.com
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Replace the calls to ww_mutex_lock(&resv->lock) with the helper
reservation_object_lock(resv) and similarly for unlock.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170221091723.6219-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The hardware requires that the tail pointer only advance in qword units,
so assert that the value we write is aligned to qwords, and similarly
enforce this restriction onto the request->tail.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217163833.731-1-chris@chris-wilson.co.uk
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
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Verify that the refcount of all power wells match their HW enabled
state at the end of modeset HW state readout.
Also add documentation on how the reference count for each power well is
supposed to be acquired during initialization and HW state readout.
Suggested by Ander.
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-6-git-send-email-imre.deak@intel.com
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Atm, power wells that BIOS has enabled, but which we don't explicitly
enable during power domain initialization would get disabled as we clear
the BIOS request bit in the given power well sync_hw hook. To prevent
this copy over any set request bits in the BIOS request register to the
driver request register and clear the BIOS request bit only afterwards.
This doesn't make a difference now, since we enable all power wells
during power domain initialization. A follow-up patchset will add power
wells for which this isn't true, so fix up the inconsistency.
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-5-git-send-email-imre.deak@intel.com
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Atm, in the power well sync_hw hook we are clearing all BIOS request
bits, not just the one corresponding to the given power well. This could
turn off an unrelated power well inadvertently if it didn't have a
request bit set in the driver request register.
This didn't cause a problem so far, since we enabled all power wells
explicitly before clearing the BIOS request register. A follow-up
patchset will add power wells that won't get enabled this way, so fix up
the inconsistency.
Note that this patch only makes the clearing of the BIOS req register
more logical. Power wells without a reference would still get disabled
by the end of power domain initialization, that is fixed by the next
patch.
v2:
- Clarify in the commit log that this patch doesn't address the case of
power wells without a reference. (Ander)
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-4-git-send-email-imre.deak@intel.com
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So far the sync_hw hook wasn't called for power wells not belonging to
any power domain, that is the GEN9 PW1 and MISC_IO power wells. This
wasn't a problem so far since the goal of the sync_hw hook - to clear
the corresponding BIOS request bit - was guaranteed by clearing the
whole BIOS request register elsewhere. This will change with the next
patch, so fix up the inconsistency.
While at it clean up the power well iterator helpers and move them to
the rest of iterators.
v2:
- Clean up the power well iterator helpers. (Ander)
- Move the helpers to i915_drv.h.
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-3-git-send-email-imre.deak@intel.com
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Doing an explicit enable/disable in the power well sync_hw hook based on
the power well's reference count is redundant, since by the time these
hooks are called all the power wells are enabled and have a reference.
So remove the redundant toggling.
This is needed by a follow-up patchset that adds power wells which we
can't enable/disable during power domain initialization and so want to
preserve their state until modeset init time.
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-2-git-send-email-imre.deak@intel.com
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The uncached mmio is sufficient to queue the mmio writes without raising
forcewake. The forced flush along with acquiring forcewake from the
posting read is not required for adjusting the RPS frequency.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220094713.22874-3-chris@chris-wilson.co.uk
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>
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If intel_set_rps() is called whilst the hw is disabled, just store the
requested frequency (from the user) for application when we wake the hw
up.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220094713.22874-2-chris@chris-wilson.co.uk
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>
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Instead of having each back-end provide identical guards, just have a
singular set in intel_set_rps() to verify that the caller is obeying the
rules.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220094713.22874-1-chris@chris-wilson.co.uk
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Pronounces less rude when fixed.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220104657.5237-1-tvrtko.ursulin@linux.intel.com
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Either by chance, or by misread, the current evaluation interval may be
zero. If that is the case, don't divide by it!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170218112708.24504-1-chris@chris-wilson.co.uk
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>
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We don't need struct_mutex for acquiring an rpm wakeref, and do not need
to serialise those register read (it's the wrong mutex for those
registers in any case). Begone!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170218150050.10414-1-chris@chris-wilson.co.uk
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>
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Prevent the overflow check from firing on machines with the full 4lvl
page tables, that are not restricted to GEN8_LEGACY_PDES.
v2: Also fix the off-by-one in the compare
Fixes: 894ccebee2b0 ("drm/i915: Micro-optimise gen8_ppgtt_insert_entries()")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217141455.19877-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
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There is a new version of DMC available for Geminilake.
It's release notes only mention:
- Enhancement in the FW to restore the PG2 state
v2: Fixed the platform name on commit message.
Noticed by Jani S.
v3: cook on top of drm-tip without depending on kbl
one so CI can check.
v4: make v3 on top of v2.
Cc: David Weinehall <tao@kernel.org>
Cc: Jani Saarinen <jani.saarinen@intel.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487295515-15396-1-git-send-email-rodrigo.vivi@intel.com
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Add driver to support the Multi-Inno MI0283QT display panel.
It has an ILI9341 MIPI DBI compatible display controller.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Thierry Reding <treding@nvidia.com>
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Add device-tree binding documentation for the MI0283QT display panel.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Rob Herring <robh@kernel.org>
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Display panels can be oriented many ways, especially in the embedded
world. The rotation property is a way to describe this orientation.
The counter clockwise direction is chosen because that's what fbdev
and drm use.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
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Multi-Inno Technology Co.,Ltd is a Hong Kong based company offering
LCD, LCD module products and complete panel solutions.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Rob Herring <robh@kernel.org>
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Add support for MIPI DBI compatible controllers.
Interface type C option 1 and 3 are supported (SPI).
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Thierry Reding <treding@nvidia.com>
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Add common functionality needed by many tinydrm drivers.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thierry Reding <treding@nvidia.com>
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tinydrm provides helpers for very simple displays that can use
CMA backed framebuffers and need flushing on changes.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thierry Reding <treding@nvidia.com>
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Check whether we need to post rather than whether the asic is
posted. There are some cases (e.g., GPU reset or resume from
hibernate) where we need to force post even if the asic has
been posted.
Signed-off-by: Jim Qu <Jim.Qu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/git/drm-intel into drm-next
i915 and GVT fixes for v4.11 merge window
* tag 'drm-intel-next-fixes-2017-02-17' of git://anongit.freedesktop.org/git/drm-intel: (32 commits)
drm/i915: Fix not finding the VBT when it overlaps with OPREGION_ASLE_EXT
drm/i915: Pass timeout==0 on to i915_gem_object_wait_fence()
drm/i915/gvt: Disable access to stolen memory as a guest
drm/i915: Avoid spurious WARNs about the wrong pipe in the PPS code
drm/i915: Check for timeout completion when waiting for the rq to submitted
drm/i915: A hotfix for making aliasing PPGTT work for GVT-g
drm/i915: Restore context and pd for ringbuffer submission after reset
drm/i915: Let execlist_update_context() cover !FULL_PPGTT mode.
drm/i915/lspcon: Fix resume time initialization due to unasserted HPD
drm/i915/gen9+: Enable hotplug detection early
drm/i915: Reject set-tiling-ioctl with stride==0 and a tiling mode
drm/i915: Recreate internal objects with single page segments if dmar fails
drm/i915/gvt: return error code if dma map iova failed
drm/i915/gvt: optimize the inhibit context mmio load
drm/i915/gvt: add sprite plane flip done support.
drm/i915/gvt: add missing display part reset for vGPU reset
drm/i915/gvt: Fix shadow context descriptor
drm/i915/gvt: Fix alignment for GTT allocation
drm/i915/gvt: fix crash at function release_shadow_wa_ctx
drm/i915/gvt: enable IOMMU for gvt
...
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If we wait upon the full (i.e. all shared fences, or upon an exclusive
fence) reservation object successfully, we know that all fences beneath
it have been signaled, so long as no new fences were added whilst we
slept. If the reservation_object remains the same, as detected by its
seqcount, we can then reap all the fences upon completion.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217151304.16665-6-chris@chris-wilson.co.uk
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As a backup to waiting on a user-interrupt from the GPU, we use a heavy
and frequent timer to wake up the waiting process should we detect an
inconsistency whilst waiting. After seeing a "missed interrupt", the
next time we wait, we restart the heavy timer. This patch is more
reluctant to restart the timer and will only do so if we have not see any
interrupts since when we started the fake irq timer. If we are seeing
interrupts, then the waiters are being woken normally and we had an
incoherency that caused to miss last time - that is unlikely to reoccur
and so taking the risk of stalling again seems pragmatic.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217151304.16665-5-chris@chris-wilson.co.uk
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If the waiter was currently running, assume it hasn't had a chance
to process the pending interrupt (e.g, low priority task on a loaded
system) and wait until it sleeps before declaring a missed interrupt.
References: https://bugs.freedesktop.org/show_bug.cgi?id=99816
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217151304.16665-4-chris@chris-wilson.co.uk
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If an interrupt has been posted, and we were spinning on the active
seqno waiting for it to advance but it did not, then we can expect that
it will not see its advance in the immediate future and should call into
the irq-seqno barrier. We can stop spinning at this point, and leave the
difficulty of handling the coherency to the caller.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217151304.16665-3-chris@chris-wilson.co.uk
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When the timer expires for checking on interrupt processing, check to
see if any interrupts arrived within the last time period. If real
interrupts are still being delivered, we can be reassured that we
haven't missed the final interrupt as the waiter will still be woken.
Only once all activity ceases, do we have to worry about the waiter
never being woken and so need to install a timer to kick the waiter for
a slow arrival of a seqno.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217151304.16665-2-chris@chris-wilson.co.uk
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Now that the pre-csc degamma table is set up correctly in Geminilake,
pipe CSC can be enabled without causing a black screen.
v2: Rebase.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217120630.6143-3-ander.conselvan.de.oliveira@intel.com
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In Geminilake, the degamma table is enabled or disabled by the pipe CSC
enable bit, so its active even when running in the legacy gamma mode.
So always set sane values for that table, since the default value is all
zeroes.
This fixes blank screens after a suspend/resume cycle while legacy gamma
is in use.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217120630.6143-2-ander.conselvan.de.oliveira@intel.com
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We have a few open coded instances in the execlists code and an
almost suitable helper in intel_ringbuf.c
We can consolidate to a single helper if we change the existing
helper to emit directly to ring buffer memory and move the space
reservation outside it.
v2: Drop memcpy for memset. (Chris Wilson)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170216122325.31391-2-tvrtko.ursulin@linux.intel.com
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Use the "*batch++ = " style as in the ring emission for better
readability and also simplify the logic a bit by consolidating
the offset and size calculations and overflow checking. The
latter is a programming error so it is not required to check
for it after each write to the object, but rather do it once the
whole state has been written and fail the driver if something
went wrong.
v2: Rebase.
v3: Keep track of offsets and sizes in bytes for simplicity
and rename function pointer variable to _fn suffix.
(Chris Wilson)
v4: Fix size calc broken in v3 and add alignment warning. (Chris Wilson)
v5: Fix return code.
v6: I added an exit from loop in v5 but forgot to put back
the object teardown.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> (v5)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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It is used by all submission backends.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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We can call the engine cleanup vfunc instead of duplicating the
decision making here.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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It is only used within intel_ringbuffer.c
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.oc.uk>
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- Rework of the secure boot code, in preparation for GP10x secure boot.
- Improvements to channel recovery
- Initial power budget code
- Some preparation for an upcoming MMU rework (probably 4.12)
- Misc other fixes.
* 'linux-4.11' of git://github.com/skeggsb/linux: (88 commits)
drm/nouveau/tmr: provide backtrace when a timeout is hit
drm/nouveau/pci/g92: Fix rearm
drm/nouveau/drm/therm/fan: add a fallback if no fan control is specified in the vbios
drm/nouveau/hwmon: expose power_max and power_crit
drm/nouveau/iccsense: Parse max and crit power level
drm/nouveau/bios/power_budget: Add basic power budget parsing
drm/nouveau/fifo/gk104-: preempt recovery
drm/nouveau/fifo/gk104-: trigger mmu fault before attempting engine recovery
drm/nouveau/fifo/gk104-: ACK SCHED_ERROR before attempting CTXSW_TIMEOUT recovery
drm/nouveau/fifo/gk104-: directly use new recovery code for ctxsw timeout
drm/nouveau/fifo/gk104-: directly use new recovery code for mmu faults
drm/nouveau/fifo/gk104-: reset all engines a killed channel is still active on
drm/nouveau/fifo/gk104-: refactor recovery code
drm/nouveau/fifo/gk104-: better detection of chid when parsing engine status
drm/nouveau/fifo/gk104-: separate out engine status parsing
drm/nouveau/fifo: add an api for initiating channel recovery
drm/nouveau/top: add function to translate subdev index to mmu fault id
drm/nouveau/gr/gf100-: implement chsw_load() method
drm/nouveau/gr: implement chsw_load() method
drm/nouveau/core: add engine method to assist in determining chsw direction
...
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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704a6c008b7942bb7f30bb43d2a6bcad7f543662 broke pci msi rearm for g92 GPUs.
g92 needs the nv46_pci_msi_rearm, where g94+ gpus used nv40_pci_msi_rearm.
Reported-by: Andrew Randrianasulu <randrianasulu@gmail.com>
Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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the vbios
This seems to be absolutely necessary for a lot of NV40.
Reported-by: gsgf on IRC/freenode
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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v2: Set entry to 0xff if not found
Add cap entry for ver 0x30 tables
Rework to fix memory leak
v3: More error checks
Simplify check for invalid entries
v4: disable for ver 0x10 for now
move assignments after the second last return
Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Greatly improves the chances of recovering the GPU from a CTXSW_TIMEOUT.
Tested with piglit's arb_shader_image_load_store-atomicity, which causes
GR to hang in such a way that recovery failed (CTXSW_TIMEOUT continually
re-triggers).
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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