i915_gpu_coreddump_put is currently only defined if
CONFIG_DRM_I915_CAPTURE_ERROR is enabled, provide a stub otherwise.
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Fixes: 742379c0c4 ("drm/i915: Start chopping up the GPU error capture")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mike Lothian <mike@fireburn.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200124192255.541355-1-chris@chris-wilson.co.uk
(cherry picked from commit 7e36505d0c)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Only assert that the i915_vma is now idle if and only if no other pins
are present. If another user has the i915_vma pinned, they may submit
more work to the i915_vma skipping the vm->mutex used to serialise the
unbind. We need to wait again, if we want to continue and unbind this
vma.
However, if we own the i915_vma (we hold the vm->mutex for the unbind
and the pin_count is 0), we can assert that the vma remains idle as we
unbind.
Fixes: 2850748ef8 ("drm/i915: Pull i915_vma_pin under the vm->mutex")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/530
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: https://patchwork.freedesktop.org/patch/msgid/20200123224459.38128-1-chris@chris-wilson.co.uk
(cherry picked from commit 60e94557ff)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
To multiply 2 u32 numbers to generate a u64 in C requires a bit of
forewarning for the compiler.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123125934.1401755-1-chris@chris-wilson.co.uk
(cherry picked from commit 0f8f8a6430)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
For a simulated preemption reset, we don't populate the request and so
do not fill in the guilty context name.
[ 79.991294] i915 0000:00:02.0: GPU HANG: ecode 9:1:e757fefe, in [0]
Just don't mention the empty string in the logs!
Fixes: 742379c0c4 ("drm/i915: Start chopping up the GPU error capture")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200121132107.267709-1-chris@chris-wilson.co.uk
(cherry picked from commit 29baf3ae8d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Currently we create a new mmap_offset for every call to
mmap_offset_ioctl. This exposes ourselves to an abusive client that may
simply create new mmap_offsets ad infinitum, which will exhaust physical
memory and the virtual address space. In addition to the exhaustion, a
very long linear list of mmap_offsets causes other clients using the
object to incur long list walks -- these long lists can also be
generated by simply having many clients generate their own mmap_offset.
However, we can simply use the drm_vma_node itself to manage the file
association (allow/revoke) dropping our need to keep an mmo per-file.
Then if we keep a small rbtree of per-type mmap_offsets, we can lookup
duplicate requests quickly.
Fixes: cc662126b4 ("drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Reviewed-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200120104924.4000706-3-chris@chris-wilson.co.uk
(cherry picked from commit 7865559872)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
We need to allow concurrent intel_context_unpin, which means avoiding
doing destructive operations like intel_ring_reset(). This was already
fixed for intel_ring_unpin() in commit 0725d9a318 ("drm/i915/gt: Make
intel_ring_unpin() safe for concurrent pint"), but I overlooked that
execlists_context_unpin() also made the same mistake.
Reported-by: Matthew Brost <matthew.brost@intel.com>
Fixes: 8413502238 ("drm/i915/gt: Drop mutex serialisation between context pin/unpin")
References: 0725d9a318 ("drm/i915/gt: Make intel_ring_unpin() safe for concurrent pint")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115175829.2761329-1-chris@chris-wilson.co.uk
(cherry picked from commit f3c0efc9fe)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
In converting over to using set_bit()/test_bit(), when manually
inspecting the rq->fence.flags, we need to use BIT().
Fixes: e1c31fb5dd ("drm/i915: Merge i915_request.flags with i915_request.fence.flags")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115122509.2673075-1-chris@chris-wilson.co.uk
(cherry picked from commit 72ff2b8d5f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Add a i915_vma to the mock_engine/mock_ring so that the core code can
always assume the presence of ring->vma.
Fixes: 8ccfc20a7d ("drm/i915/gt: Mark ring->vma as active while pinned")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200114160030.2468927-1-chris@chris-wilson.co.uk
(cherry picked from commit b63b4feaef)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
intel_prepare_plane_fb() will always pin plane_state->hw.fb whenever
it is present. We copy that from the master plane to the slave plane,
but we fail to copy the corresponding ggtt view. Thus when it comes time
to pin the slave plane's fb we use some stale ggtt view left over from
the last time the plane was used as a non-slave plane. If that previous
use involved 90/270 degree rotation or remapping we'll try to shuffle
the pages of the new fb around accordingingly. However the new
fb may be backed by a bo with less pages than what the ggtt view
rotation/remapped info requires, and so we we trip a GEM_BUG().
Steps to reproduce on icl:
1. plane 1: whatever
plane 6: largish !NV12 fb + 90 degree rotation
2. plane 1: smallish NV12 fb
plane 6: make invisible so it gets slaved to plane 1
3. GEM_BUG()
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/issues/951
Fixes: 1f594b209f ("drm/i915: Remove special case slave handling during hw programming, v3.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110183228.8199-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 103605e0d1)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Take and hold a reference to each of the vma (and their objects) as we
process them with the cmdparser. This stops them being freed during the
work if the GEM execbuf is interrupted and the request we expected to
keep the objects alive is incomplete.
Fixes: 686c7c35ab ("drm/i915/gem: Asynchronous cmdparser")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/970
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113154555.1909639-1-chris@chris-wilson.co.uk
(cherry picked from commit 36c8e356a7)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The rc6 residency starts ticking from 0 from BIOS POST, but the kernel
starts measuring the time from its boot. If we start measuruing
I915_PMU_RC6_RESIDENCY while the GT is idle, we start our sampling from
0 and then upon first activity (park/unpark) add in all the rc6
residency since boot. After the first park with the sampler engaged, the
sleep/active counters are aligned.
v2: With a wakeref to be sure
Closes: https://gitlab.freedesktop.org/drm/intel/issues/973
Fixes: df6a420535 ("drm/i915/pmu: Ensure monotonic rc6")
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: https://patchwork.freedesktop.org/patch/msgid/20200114105648.2172026-1-chris@chris-wilson.co.uk
(cherry picked from commit f4e9894b69)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Since commit 742379c0c4 ("drm/i915: Start chopping up the GPU error
capture"), function 'i915_error_state_store' was defined and used with
only one parameter.
But if no 'CONFIG_DRM_I915_CAPTURE_ERROR', this function was defined
with two parameter.
This may lead compile error. This patch fix it.
Fixes: 742379c0c4 ("drm/i915: Start chopping up the GPU error capture")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200117073436.6507-1-zhangxiaoxu5@huawei.com
(cherry picked from commit 04062c58fa)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Fix htotal and vtotal parameters derived from DTD block of VBT. The
values miss the back porch.
Fixes: 33ef6d4fd8 ("drm/i915/vbt: Handle generic DTD block")
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200124125829.16973-1-vandita.kulkarni@intel.com
(cherry picked from commit ad278f3584)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Remove the i2c_bus_num >= 0 check from the adapter lookup function
as this would prevent ACPI bus number override. This check was mainly
there to return early if the bus number has already been found but we
anyway return in the next line if the slave address does not match.
Fixes: 8cbf89db29 ("drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3)")
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200118005848.20382-1-vivek.kasireddy@intel.com
(cherry picked from commit de409661c4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The post-fastset "does anyone still need a full modeset?" for
port sync looks busted. The outer loop bails out of a full modeset
is still needed by the current crtc, and then we skip forcing
a full modeset on the related crtcs. That's totally the opposite
of what we want.
The MST path has the logic mostly the other way around so it
looks correct. To fix the port sync case let's follow the MST
logic for both. So, if the current crtc already needs a modeset
we do nothing. otherwise we check if any of the related crtcs
needs a modeset, and if so we force a full modeset for the
current crtc.
And while at let's change the else if to a plain if to so
we don't have needless coupling between the MST and port sync
checks.
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Fixes: 05a8e45136 ("drm/i915/display: Use external dependency loop for port sync")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115190813.17971-1-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit d0eed1545f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Perform the i2c bus/adapter lookup from ACPI Namespace only if ACPI is
enabled in the kernel config. If ACPI is not enabled or if the lookup
fails, we'll fallback to using the VBT for identifying the i2c bus.
v2: Add fixes tag (Jani)
Fixes: 8cbf89db29 ("drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3)")
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115012305.27395-1-vivek.kasireddy@intel.com
(cherry picked from commit 960287ca58)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
amd-drm-next-5.6-2020-02-05:
amdgpu:
- EDC fixes for Arcturus
- GDDR6 memory training fixe
- Fix for reading gfx clockgating registers while in GFXOFF state
- i2c freq fixes
- Misc display fixes
- TLB invalidation fix when using semaphores
- VCN 2.5 instancing fixes
- Switch raven1 gfxoff to a blacklist
- Coreboot workaround for KV/KB
- Root cause dongle fixes for display and revert workaround
- Enable GPU reset for renoir and navi
- Navi overclocking fixes
- Fix up confusing warnings in display clock validation on raven
amdkfd:
- SDMA fix
radeon:
- Misc LUT fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200206035458.3894-1-alexander.deucher@amd.com
Just a couple of fixes to Volta/Turing modesetting on some systems.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CACAvsv7=eP+Ai1ouoMyYyo1xMF0pTQki=owYjJkS=NpvKQd1fg@mail.gmail.com
These are a couple of quick fixes for regressions that were found during
the first two weeks of the merge window.
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Merge tag 'drm/tegra/for-5.6-rc1-fixes' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Fixes for v5.6-rc1
These are a couple of quick fixes for regressions that were found during
the first two weeks of the merge window.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200206172753.2185390-1-thierry.reding@gmail.com
This partially reverts the DMA API support that was recently merged
because it was causing performance regressions on older Tegra devices.
Unfortunately, the cache maintenance performed by dma_map_sg() and
dma_unmap_sg() causes performance to drop by a factor of 10.
The right solution for this would be to cache mappings for buffers per
consumer device, but that's a bit involved. Instead, we simply revert to
the old behaviour of sharing IOVA mappings when we know that devices can
do so (i.e. they share the same IOMMU domain).
Cc: <stable@vger.kernel.org> # v5.5
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Older Tegra devices only allow addressing 32 bits of memory, so whether
or not the host1x is attached to an IOMMU doesn't matter. host1x IOMMU
attachment is only needed on devices that can address memory beyond the
32-bit boundary and where the host1x doesn't support the wide GATHER
opcode that allows it to access buffers at higher addresses.
Cc: <stable@vger.kernel.org> # v5.5
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
It needed to be updated as well so it will show the proper values
if you reset to the defaults.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/1020
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cull out 0 clocks to avoid a warning in DC.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/963
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Only send non-0 clocks to DC for validation. This mirrors
what the windows driver does.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/963
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We might get different numbers of clocks from powerplay depending
on what the OEM has populated.
v2: add assert for at least one level
Bug: https://gitlab.freedesktop.org/drm/amd/issues/963
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Ask the SMU for the default VDDC curve voltage values. This
properly reports the VDDC values in the OD interface.
v2: only update if the original values are 0
Bug: https://gitlab.freedesktop.org/drm/amd/issues/1020
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.5.x
Previously, the syfs functionality for restoring the default powerplay
table was sourcing it's information from the currently-staged powerplay
table.
This patch adds a step to cache the first overdrive table that we see on
boot, so that it can be used later to "restore" the powerplay table
v2: sqaush my original with Matt's fix
Bug: https://gitlab.freedesktop.org/drm/amd/issues/1020
Signed-off-by: Matt Coffin <mcoffin13@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.5.x
[Why]
When we disable a connector we don't explicitly remove it from the module so the
display is still cached(SW) in the hdcp_module.
SST: no issues because we can only have 1 display per link
MST: We have x displays per link, now if we disable 1 we don't remove it from the
module so the module has x display cached(SW).
If we try to enable HDCP, psp verification will fail because we are reporting x
displays while the HW only has x-1 display enabled
[How]
Check the callback for when we disable stream and call remove display.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
Remove a backslash symbol accidentally left in increase bpp function
when computing mst dsc configuration.
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Zhan Liu <zhan.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This workaround is needed only for Navi10 12 Gbps SKUs.
V2: added SMU firmware version guard
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
The sdma_queue_count increment should be done before
execute_queues_cpsch(), which calls pm_calc_rlib_size() where
sdma_queue_count is used to calculate whether over_subscription is
triggered.
With the previous code, when a SDMA queue is created,
compute_queue_count in pm_calc_rlib_size() is one more than the
actual compute queue number, because the queue_count has been
incremented while sdma_queue_count has not. This patch fixes that.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
In current code we're essentially drawing the cursor on every pipe
that contains it. This only works when the planes have the same
scaling for src to dest rect, otherwise we'll get "double cursor" where
one cursor is incorrectly filtered and offset from the real position.
[How]
Without dedicated cursor planes on DCN we require at least one pipe
that matches the scaling of the current timing.
This is an optimization and workaround for the most common case where
the top-most plane is not scaled but the bottom-most plane is scaled.
Whenever a pipe has a parent pipe in the blending tree whose recout
fully contains the current pipe we can disable the pipe.
This only applies when the pipe is actually visible of course.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The OR routing logic in NVKM does not expect to receive supervisor
interrupts until the DD has provided consistent information on the
ORs it's using and the EVO/NVD assembly state to match.
The combination of changing window ownership + core channel update
during display init triggered a situation where we'd disconnect an
OR from the pad it was meant to still be driving on some systems.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
For various complicated reasons, we need to avoid sending a core update
method during display init. Something, which we've been required to do
on GV100 and up because we've been assigning windows to heads there and
the HW is rather picky about when that's allowed.
This moves window assignment into the modesetting path at a point where
it's much safer to send our first update methods to NVDisplay.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Commit fd67e9c6ed ("drm/tegra: Do not implement runtime PM") replaced
the generic runtime PM usage by a host1x bus-specific implementation in
order to work around some assumptions baked into runtime PM that are in
conflict with the requirements in the Tegra DRM driver.
Unfortunately the new runtime PM callbacks are not setup yet at the time
when the SOR driver first needs to resume the device to register the SOR
pad clock, and accesses to register will cause the system to hang.
Note that this only happens on Tegra124 and Tegra210 because those are
the only SoCs where the SOR pad clock is registered from the SOR driver.
Later generations use a SOR pad clock provided by the BPMP.
Fix this by moving the registration of the SOR pad clock after the
host1x client has been registered. That's somewhat suboptimal because
this could potentially, though it's very unlikely, cause the Tegra DRM
to be probed if the SOR happens to be the last subdevice to register,
only to be immediately removed again if the SOR pad output clock fails
to register. That's just a minor annoyance, though, and doesn't justify
implementing a workaround.
Fixes: fd67e9c6ed ("drm/tegra: Do not implement runtime PM")
Signed-off-by: Thierry Reding <treding@nvidia.com>
If the driver fails to probe, make sure to disable runtime PM again.
While at it, make the cleanup code in ->remove() symmetric.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Doesn't seem to be used, but add it just in case.
Reviewed-by: Matt Coffin <mcoffin13@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Clang warns:
../drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c:967:35: warning: implicit
conversion from enumeration type 'enum amdgpu_ras_block' to different
enumeration type 'enum ta_ras_block' [-Wenum-conversion]
block_info.block_id = info->head.block;
~ ~~~~~~~~~~~^~~~~
1 warning generated.
Use the function added in commit 828cfa2909 ("drm/amdgpu: Fix amdgpu
ras to ta enums conversion") that handles this conversion explicitly.
Fixes: 4c461d89db ("drm/amdgpu: add RAS support for the gfx block of Arcturus")
Link: https://github.com/ClangBuiltLinux/linux/issues/849
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is an oversight from
commit 42585395eb
Author: Peter Rosin <peda@axentia.se>
Date: Thu Jul 13 18:25:36 2017 +0200
drm: radeon: remove dead code and pointless local lut storage
v2: Also remove leftover local variable.
Cc: Peter Rosin <peda@axentia.se>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Need to do atomic check first, then validate global state.
If not, when connecting both MST and HDMI displays and
set a bad mode via xrandr, system will hang.
[How]
Move drm_dp_mst_atomic_check() to the front of
dc_validate_global_state().
Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Per at least one tester this is enough magic to recover the regression
introduced for some people (but not all) in
commit b8e2b0199c
Author: Peter Rosin <peda@axentia.se>
Date: Tue Jul 4 12:36:57 2017 +0200
drm/fb-helper: factor out pseudo-palette
which for radeon had the side-effect of refactoring out a seemingly
redudant writing of the color palette.
10ms in a fairly slow modeset path feels like an acceptable form of
duct-tape, so maybe worth a shot and see what sticks.
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Michel Dänzer <michel.daenzer@amd.com>
References: https://bugzilla.kernel.org/show_bug.cgi?id=198123
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
There is a spelling mistake on the struct field name link_integiry_check,
fix this by renaming it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Currently we pre-allocate entities and fences for all the HW IPs on
context creation and some of which are might never be used.
This patch tries to resolve entity/fences wastage by creating entity
only when needed.
v2: allocate memory for entity and fences together
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
