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Only DCE 11.0 relies on this information and even that
didn't use this field, because it queries the information
from the pplib. It also filled the field incorrectly on
that version.
On newer GPUs, the VIOS integrated info no longer contains
display clock voltage dependencies, so we don't need it.
v2:
- Also delete some code wrapped in #if 0
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It was not used by anything anymore.
Note that the parts of DC that need this information actually
already query it from the pplib and don't use the hardcoded
information from max_clks_by_state.
v2:
- Also delete state_dependent_clocks
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The max_clks_by_state was based on hardcoded values, which are
not really used anywhere, only to know the maximum clock.
Just hardcode the same maximum clock for each DCE version.
v2:
- Use previous max display clock for DCE 11.2
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's not used by anything anymore.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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These fields are not used by anything anymore.
v2:
- Delete dm_pp_get_static_clocks()
- Delete pp_to_dc_powerlevel_state()
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It is not called from anywhere anymore.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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CRIU restore ioctls are meant to be called by CRIU with no
existing drm file. There's an error path
for if the drm file unexpectedly exists. It was positioned so
it was missing a fput(drm_file).
Do that check earlier, as soon as we have the pdd.
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use snprintf() with sizeof(fs_info.debugfs_name) so a long RAS block
name plus the "_err_inject" suffix cannot overflow the 32-byte buffer.
Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Thread 1: Running amdgpu_userq_destroy which eventually remove
the queue from door bell and set userq_mgr = NULL.
Thread2: An interrupt might have scheduled the hang_detect_work
which still need userq_mgr to be valid but could get an NULL
ptrs.
To fix that make sure we cancel the hang_detect_work again before
setting userq_mgr to NULL.
Along with that we also need all the queue va to remain valid till
we could be running anything on the queue and hence moving the
userq_va post hang_detect handler is cancelled.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fix the code to make it an uninterruptible reservation
for root bo.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Unpin the wptr_obj->obj when amdgpu_ttm_alloc_gart fails.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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amdgpu_userq_get_doorbell_index returns a uint64 type index
as well as a int type failure values. Simplifying this and
using a int type return value and getting the index in input pointer
of type uint64 type.
Also since it's used at once place making it static would be better.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The process_info could be NULL if user doesn't call kfd_ioctl_acquire_vm
before calling kfd_ioctl_svm.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why&How]
dccg21_init() calls dccg2_init() which hardcodes 100MHz refclk values
for MICROSECOND_TIME_BASE_DIV and MILLISECOND_TIME_BASE_DIV. DCN21
uses 48MHz refclk, so the wrong values corrupt DCCG timing and cause eDP
link training failure on cold boot.
Write the correct 48MHz values directly instead of calling dccg2_init().
v2:
Fixed typo
Fixes: e6e2b956fc81 ("drm/amd/display: Add missing DCCG register entries for DCN20-DCN316")
Reported-by: Max Chernoff <git@maxchernoff.ca>
Tested-by: Max Chernoff <git@maxchernoff.ca>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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mutex fence_drv_lock is destroyed in amdgpu_userq_fence_driver_free
also in one of the jump condition mutex_destroy is also called leading
to double mutex_destroy.
So rearranging the code so amdgpu_userq_fence_driver_free takes care
of the clean up along with mutex_destroy.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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dm_pp_apply_power_level_change_request() (v2)
dm_pp_apply_power_level_change_request() was called from old
DCE clock manager implementations on DCE6, 8, 10, 11.2
but has not been implemented ever since the beginning of DC.
Affected GPUs have been working fine without that implementation
for many years. Let's delete it now.
v2:
- Delete dm_pp_apply_power_level_change_request too
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Unpin and unref the door bell obj if queue creation fails before
initialization is complete.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Generalize Registration<T> to Registration<F: ForLt> and
Device::registration_data<F: ForLt>() to return Pin<&F::Of<'_>>.
The stored 'static lifetime is shortened to the borrow lifetime of &self
via ForLt::cast_ref; ForLt's covariance guarantee makes this sound.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-24-dakr@kernel.org
[ Use PhantomData<F::Of<'a>> instead of
PhantomData<(fn(&'a ()) -> &'a (), F)>], which also gets us rid of
#[allow(clippy::type_complexity)]. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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This patch continues the effort to refactor workqueue APIs, which has begun
with the changes introducing new workqueues and a new alloc_workqueue flag:
commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")
The point of the refactoring is to eventually alter the default behavior of
workqueues to become unbound by default so that their workload placement is
optimized by the scheduler.
Before that to happen, workqueue users must be converted to the better named
new workqueues with no intended behaviour changes:
system_wq -> system_percpu_wq
system_unbound_wq -> system_dfl_wq
This way the old obsolete workqueues (system_wq, system_unbound_wq) can be
removed in the future.
Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch continues the effort to refactor workqueue APIs, which has begun
with the changes introducing new workqueues and a new alloc_workqueue flag:
commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")
The point of the refactoring is to eventually alter the default behavior of
workqueues to become unbound by default so that their workload placement is
optimized by the scheduler.
Before that to happen, workqueue users must be converted to the better named
new workqueues with no intended behaviour changes:
system_wq -> system_percpu_wq
system_unbound_wq -> system_dfl_wq
This way the old obsolete workqueues (system_wq, system_unbound_wq) can be
removed in the future.
Cc: Ray Wu <ray.wu@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Rodrigo Siqueira <siqueira@igalia.com>
Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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kvcalloc(args->num_entries, sizeof(*vm_entries), GFP_KERNEL) at
amdgpu_gem.c:1050 uses the user-supplied num_entries directly without
any upper bounds check. Since num_entries is a __u32 and
sizeof(drm_amdgpu_gem_vm_entry) is 32 bytes, a large num_entries
produces an allocation exceeding INT_MAX, triggering
WARNING in __kvmalloc_node_noprof(), causing a kernel WARNING,
TAINT_WARN, and panic on CONFIG_PANIC_ON_WARN=y systems.
Add a size bounds check before we invoke the kvzalloc() to
reject oversized num_entries early with -EINVAL.
Fixes: 4d82724f7f2b ("drm/amdgpu: Add mapping info option for GEM_OP ioctl")
Signed-off-by: Ziyi Guo <n7l8m4@u.northwestern.edu>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Introduce NovaCoreDriver as the driver type implementing pci::Driver,
keeping NovaCore as the per-device data type. This prepares for making
NovaCore lifetime-parameterized once auxiliary::Registration requires a
lifetime for the binding scope.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-22-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Add a lifetime parameter to IoMem<'a, SIZE> and ExclusiveIoMem<'a,
SIZE>, storing a &'a Device<Bound> reference to tie the mapping to the
device's lifetime.
This mirrors the pci::Bar<'a, SIZE> design and enables drivers to hold
I/O memory mappings directly in their HRT private data, tied to the
device lifetime.
IoRequest::iomap_* methods now return the mapping directly instead of
wrapping it in Devres. Callers that need device-managed revocation can
call the new into_devres() method.
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-20-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Convert pci::Bar<SIZE> to pci::Bar<'a, SIZE>, storing &'a Device<Bound>
to tie the BAR mapping lifetime to the device.
iomap_region_sized() now returns Result<Bar<'a, SIZE>> directly instead
of impl PinInit<Devres<Bar<SIZE>>, Error>.
Since the lifetime ties the mapping to the device's bound state, callers
no longer need Devres for the common case where the Bar lives in the
driver's private data.
Add Bar::into_devres() to consume the bar and register it as a
device-managed resource, returning Devres<Bar<'static, SIZE>>. The
lifetime is erased to 'static because Devres guarantees the bar does not
actually outlive the device -- access is revoked on unbind.
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-19-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Add a 'bound lifetime to the associated Data, changing type Data to type
Data<'bound>.
This allows the driver's bus device private data to capture the device /
driver bound lifetime; device resources can be stored directly by
reference rather than requiring Devres.
The probe() and unbind() callbacks thus gain a 'bound lifetime parameter
on the methods themselves; avoiding a global lifetime on the trait impl.
Existing drivers set type Data<'bound> = Self, preserving the current
behavior.
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-15-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Add a 'bound lifetime to the associated Data, changing type Data to type
Data<'bound>.
This allows the driver's bus device private data to capture the device /
driver bound lifetime; device resources can be stored directly by
reference rather than requiring Devres.
The probe() and unbind() callbacks thus gain a 'bound lifetime parameter
on the methods themselves; avoiding a global lifetime on the trait impl.
Existing drivers set type Data<'bound> = Self, preserving the current
behavior.
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-14-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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The AMDGPU_GEM_OP_GET_MAPPING_INFO branch of amdgpu_gem_op_ioctl()
holds three cleanup-tracked resources before calling kvcalloc():
the drm_gem_object reference from drm_gem_object_lookup(), the
drm_exec lock on the looked-up GEM via drm_exec_lock_obj(), and
the drm_exec lock on the per-process VM root page directory via
amdgpu_vm_lock_pd(). All three are released by the out_exec
label that every other error path in this function jumps to.
The kvcalloc() failure path returns -ENOMEM directly, skipping
out_exec and leaking all three.
The leaked per-process VM root PD dma_resv lock is the
load-bearing leak: any subsequent operation on the same VM
(further GEM ops, command-submission, eviction, TTM shrinker
callbacks) blocks on the held lock. DRM_IOCTL_AMDGPU_GEM_OP is
DRM_AUTH | DRM_RENDER_ALLOW, so this is an unprivileged-local
denial of service against the caller's GPU context, reachable
by any process with /dev/dri/renderD* access.
Route the failure through out_exec so drm_exec_fini() and
drm_gem_object_put() run.
Reproduced on stock 7.0.0-10, Ryzen 7 5700U / Radeon Vega
(Lucienne): the failing ioctl returns -ENOMEM and a second
GET_MAPPING_INFO on the same fd then blocks in
drm_exec_lock_obj() on the leaked dma_resv. SIGKILL on the
caller does not reap the task; the fd-release path during
process exit goes through amdgpu_gem_object_close() ->
drm_exec_prepare_obj() on the same lock, leaving the task in D
state until the box is rebooted. The patched kernel was not
rebuilt and re-tested on this hardware; the fix is mechanical.
Tested on a single Lucienne / Vega box only.
Ziyi Guo posted an independent INT_MAX-bound check for
args->num_entries in the same branch [1]; the two patches are
complementary and can land in either order.
Fixes: 4d82724f7f2b ("drm/amdgpu: Add mapping info option for GEM_OP ioctl")
Link: https://lore.kernel.org/all/20260208000255.4073363-1-n7l8m4@u.northwestern.edu/ # [1]
Signed-off-by: Michael Bommarito <michael.bommarito@gmail.com>
Assisted-by: Claude:claude-opus-4-7
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add a 'bound lifetime to the associated Data, changing type Data to type
Data<'bound>.
This allows the driver's bus device private data to capture the device /
driver bound lifetime; device resources can be stored directly by
reference rather than requiring Devres.
The probe() and unbind() callbacks thus gain a 'bound lifetime parameter
on the methods themselves; avoiding a global lifetime on the trait impl.
Existing drivers set type Data<'bound> = Self, preserving the current
behavior.
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-13-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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[Why]
With CONFIG_DRM_AMD_DC_KUNIT_TEST=m, allmodconfig only defines the
_MODULE variant. Four KUnit helper headers gate their declarations
with #ifdef CONFIG_DRM_AMD_DC_KUNIT_TEST, so the declarations vanish
while the matching .c files (driven by IS_ENABLED() via
STATIC_IFN_KUNIT) keep the functions non-static. The build breaks
with implicit declarations and -Werror=missing-prototypes.
amdgpu_dm_crc.h additionally uses symbols that its test file does not
pull in indirectly, amdgpu_dm_colorop_test.c has a copy-paste
duplicate function with the wrong expected bitmask, and the three
colorop TF bitmasks are not exported for modpost.
[How]
- Switch the crc/hdcp/color/psr KUnit guards to IS_ENABLED().
- Make amdgpu_dm_crc.h self-contained (dc_types.h + forward decl).
- Rename the duplicated shaper test back to its intended name and
fix its expected bitmask.
- Export amdgpu_dm_supported_{degam,shaper,blnd}_tfs via
EXPORT_IF_KUNIT().
Assisted-by: Copilot:claude-4-opus
Reviewed-by: Alex Hung <alex.hung@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Device<Core> references in probe callbacks are scoped to the callback,
not the full binding duration. Add a lifetime parameter to Core and
CoreInternal to accurately represent this in the type system.
Suggested-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://patch.msgid.link/20260525202921.124698-12-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Add a type Data<'bound> associated type to all bus driver traits,
decoupling the driver's bus device private data type from the driver
struct itself.
In the context of adding a 'bound lifetime, making this an associated
type has the advantage that it allows us to avoid a driver trait global
lifetime and it avoids the need for ForLt for bus device private data;
both of which make the subsequent implementation by buses much simpler.
All existing drivers and doc examples set type Data = Self to preserve
the current behavior.
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20260525202921.124698-5-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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cpu_data().topo.apicid and kfd_fill_iolink_info_for_cpu() rely on
x86-specific structs not present on UML. The kfd_topology.c and
kfd_crat.c were guarded by CONFIG_X86_64 alone, causing build
failures when CONFIG_DRM_AMDGPU is selected on UML.
Update guards to '#if defined(CONFIG_X86_64) && !defined(CONFIG_UML)'
to ensure x86_64-only paths are excluded on UML builds.
Fixes: af3f2f5db265 ("drm/amdgpu: Remove UML build exclusion from Kconfig")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202605140506.TI8zPIBG-lkp@intel.com/
Cc: Harry Wentland <harry.wentland@amd.com>
Assisted-by: Copilot:Claude-Sonnet-4.6
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Wa_16023105232 programs the register IDLEDLY. The register is reset
whenever the engine is reset. Therefore it should be added to the GuC
save-restore register list for it to be restored after reset.
Fixes: 7c53ff050ba8 ("drm/xe: Apply Wa_16023105232")
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patch.msgid.link/20260522163531.1365540-2-balasubramani.vivekanandan@intel.com
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
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The ASUS DC301 USB-C dock containing a Realtek MST branch device
supports the DSC decompression functionality on each of the dock's
downstream connectors, even though there is no discoverable peer-to-peer
virtual device in the MST topology (which the DP Standard
requires/suggests to control the DSC functionality on a per-DFP basis).
Add the DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD quirk for this branch
device as well to enable the DSC decompression functionality on all DFP
connectors of the dock, similarly to how this is done for dock's
containing older Synaptics branch devices.
Cc: Lyude Paul <lyude@redhat.com>
Reported-and-tested-by: Shawn C Lee <shawn.c.lee@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260525125516.2794636-1-imre.deak@intel.com
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There is no need nor gain in splitting mutex or list initializations
between two init functions as all of this is just pure software state
and all this could be done at once.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-8-michal.wajdeczko@intel.com
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We should separate software-only state initialization from anything
else that requires access to the device's hardware. Extract d3cold
capability detection into a new function. Add simple kernel-doc for
updated functions here.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-7-michal.wajdeczko@intel.com
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We would like to initialize more of the xe_device struct also from
the kunit code, as it should be safe to use most of the generic drm
or xe components without doing any additional tweaks. Separate early
xe initialization code to a new function, so it can be reused.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-6-michal.wajdeczko@intel.com
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The xe_info_init_early() is a place where we initialize those of
the xe->info fields that do not require any additional hardware
probes. Move the initialization of the devid/revid also there, but
to avoid breaking the kunit helper, which also calls this function,
keep their initialization separate in sub-function so we can easily
stub it when running the kunit test.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-5-michal.wajdeczko@intel.com
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The xe_info_init_early() is a place where we initialize those of
the xe->info fields that do not require any additional hardware
probes. Move the initialization of the force_execlist flag there.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-4-michal.wajdeczko@intel.com
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We never used or need anything from the struct pci_device_id there.
And while around, add simple kernel-doc for this function.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-3-michal.wajdeczko@intel.com
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We don't need the partially initialized xe_device pointer to
find the sub-platform descriptor, as for the descriptor lookup
only the device ID is required and it can be obtained directly
from the pci_dev.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Link: https://patch.msgid.link/20260526195452.20545-2-michal.wajdeczko@intel.com
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intel_power_domains_resume() calling intel_display_power_init_hw() with
the resume parameter is an internal implementation detail. Hide it
inside intel_display_power.c, and provide a clean external interface
without the parameter.
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/63666514d457f548c69ccd35c02f2b8200ca08a1.1779800132.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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It's confusing that intel_display_power.[ch] exposes two groups of
interfaces, one named intel_power_domains_*() and one
intel_display_power_*().
Unify on the latter, based on the file name, but also because it's more
generic. This makes the caller side easier to follow.
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/8fae4b0e3476aeffb0164215b7e0f0ae1d825f72.1779800132.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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intel_power_domains_suspend() and intel_power_domains_resume() are only
used inside intel_display_power.c. Make them static.
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/bfb5f09794b6b5035839d0182d22980119da2165.1779800132.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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disable}()
Refactor for_each_pipe_crtc_modeset_{enable,disable}() and their
underlying for_each_crtc_in_masks{,_reverse}() helpers to utilize
__UNIQUE_ID() to avoid having to pass the for loop variable to them.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/2270d4a10663bb55d5b16902b02798234f440517.1778659089.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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None of the for_each_*_intel_crtc_in_state() macros or their users
actually need the CRTC index i variable anymore. Remove them.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/edb9dc76cb9cad50622a1f425abaf076d1509888.1778659089.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Now that the for_each_intel_crtc*() iterator macros primarily use
display->pipe_list for iteration, it's more convenient to pass struct
intel_display to them directly instead of struct drm_device. Make it so.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/90ec6b84d772a4842d4816efc10042ec4403e996.1778659089.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In preparation for always passing struct intel_display to
for_each_intel_crtc*() family of iterators, start off by unifying their
usage to always having struct intel_display *display around, and passing
display->drm to them.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/447a5b2309e213abb849601727d45b406d440c88.1778659089.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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intel_has_pending_fb_unpin() has the last direct user of
drm_for_each_crtc() in i915. Switch to for_each_intel_crtc() to ensure
pipe order iteration in all cases.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/8ee4320cd15bc35a8b40676faae6db4b33eb50eb.1778659089.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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xe_display_flush_cleanup_work() is a bit of an oddball function in xe
display code. There shouldn't be anything this specific or xe
specific. While I'm not sure what the correct refactor for the function
should be, move it to shared display code for starters, next to the
eerily similar but slightly different intel_has_pending_fb_unpin() that
is only called from i915 core.
The main goal here is to unblock some refactors on
for_each_intel_crtc().
v2: Add FIXME comment (Ville)
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260525110553.651208-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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