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For userptr bo, if adev is not in IOMMU isolation mode, RAM direct map
to GPU, multiple GPUs use same system memory dma mapping address, they
can share the original mem->bo in attachment to reduce dma address array
memory usage.
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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If host and amdgpu IOMMU is not enabled or IOMMU is pass through mode,
set adev->ram_is_direct_mapped flag which will be used to optimize
memory usage for multi GPU mappings.
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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In the DC driver, we have multiple acronyms that are not obvious most of
the time; the same idea is valid for amdgpu. This commit introduces a DC
and amdgpu glossary in order to make it easier to navigate through our
driver.
Changes since V3:
- Yann: Add new acronyms to amdgpu glossary
- Daniel: Add link between dc and amdgpu glossary
Changes since V2:
- Add MMHUB
Changes since V1:
- Yann: Divide glossary based on driver context.
- Alex: Make terms more consistent and update CPLIB
- Add new acronyms to the glossary
Reviewed-by: Yann Dirson <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This commit describes how DCN works by providing high-level diagrams
with an explanation of each component. In particular, it details the
Global Sync signals.
Change since V2:
- Add a comment about MMHUBBUB.
Reviewed-by: Yann Dirson <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Introduce how to collect DTN log from debugfs.
Reviewed-by: Yann Dirson <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Display core provides a feature that makes it easy for users to debug
Pipe Split. This commit introduces how to use such a debug option.
Reviewed-by: Yann Dirson <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Display core provides a feature that makes it easy for users to debug
Multiple planes by enabling a visual notification at the bottom of each
plane. This commit introduces how to use such a feature.
Reviewed-by: Yann Dirson <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Display core documentation is not well organized, and it is hard to find
information due to the lack of sections. This commit reorganizes the
documentation layout, and it is preparation work for future changes.
Changes since V1:
- Christian: Group amdgpu documentation together.
- Daniel: Drop redundant amdgpu prefix.
- Jani: Create index pages.
- Yann: Mirror display folder in the documentation.
Reviewed-by: Yann Dirson <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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SMU firmware expects the driver maintains error context
and doesn't interact with SMU any more when SMU errors
occurred. That will aid in debugging SMU firmware issues.
Add SMU debug option support for this request, it can be
enabled or disabled via amdgpu_smu_debug debugfs file.
Use a 32-bit mask to indicate corresponding debug modes.
Currently, only one mode(HALT_ON_ERROR) is supported.
When enabled, it brings hardware to a kind of halt state
so that no one can touch it any more in the envent of SMU
errors.
The dirver interacts with SMU via sending messages. And
threre are three ways to sending messages to SMU in current
implementation. Handle them respectively as following:
1, smu_cmn_send_smc_msg_with_param() for normal timeout cases
Halt on any error.
2, smu_cmn_send_msg_without_waiting()/smu_cmn_wait_for_response()
for longer timeout cases
Halt on errors apart from ETIME. Otherwise this way won't work.
Let the user handle ETIME error in such a case.
3, smu_cmn_send_msg_without_waiting() for no waiting cases
Halt on errors apart from ETIME. Otherwise second way won't work.
== Command Guide ==
1, enable HALT_ON_ERROR mode
# echo 0x1 > /sys/kernel/debug/dri/0/amdgpu_smu_debug
2, disable HALT_ON_ERROR mode
# echo 0x0 > /sys/kernel/debug/dri/0/amdgpu_smu_debug
v5:
- Use bit mask to allow more debug features.(Evan)
- Use WRAN() instead of BUG().(Evan)
v4:
- Set to halt state instead of a simple hang.(Christian)
v3:
- Use debugfs_create_bool().(Christian)
- Put variable into smu_context struct.
- Don't resend command when timeout.
v2:
- Resend command when timeout.(Lijo)
- Use debugfs file instead of module parameter.
Signed-off-by: Lang Yu <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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It is useful to maintain error context when debugging
SW/FW issues. Introduce amdgpu_device_halt() for this
purpose. It will bring hardware to a kind of halt state,
so that no one can touch it any more.
Compare to a simple hang, the system will keep stable
at least for SSH access. Then it should be trivial to
inspect the hardware state and see what's going on.
v2:
- Set adev->no_hw_access earlier to avoid potential crashes.(Christian)
Suggested-by: Christian Koenig <[email protected]>
Suggested-by: Andrey Grodzovsky <[email protected]>
Signed-off-by: Lang Yu <[email protected]>
Reviewed-by: Christian Koenig <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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in case they are not avaiable in early phase
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Le Ma <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Leave this bit as hardware default setting
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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should count on GC IP base address
Signed-off-by: Le Ma <[email protected]>
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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read and authenticate ip discovery binary getting from
vram first, if it is not valid, read and authenticate
the one getting from file
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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To be used to check ip discovery binary signature
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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add _from_vram in the funciton name to diffrentiate
the one used to read from file
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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To be used when ip_discovery binary is not carried by vbios
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Guest OS will setup VCN instance 1 which is disabled as an enabled instance and
execute initialization work on it, but this causes VCN ib ring test failure
on the disabled VCN instance during modprobe:
amdgpu 0000:00:08.0: amdgpu: ring vcn_enc_1.0 uses VM inv eng 5 on hub 1
amdgpu 0000:00:08.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on vcn_dec_0 (-110).
amdgpu 0000:00:08.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on vcn_enc_0.0 (-110).
[drm:amdgpu_device_delayed_init_work_handler [amdgpu]] *ERROR* ib ring test failed (-110).
v2: drop amdgpu_discovery_get_vcn_version and rename sriov_config to
vcn_config
v3: modify VCN's revision in SR-IOV and bare-metal
Fixes: baf3f8f3740625 ("drm/amdgpu: handle SRIOV VCN revision parsing")
Signed-off-by: Leslie Shi <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Reviewed-by: Guchun Chen <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Fix following warning in SRIOV during modprobe:
amdgpu 0000:00:08.0: GFX9+ requires FB check based on format modifier
WARNING: CPU: 0 PID: 1023 at drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:1150 amdgpu_display_framebuffer_init+0x8e7/0xb40 [amdgpu]
Signed-off-by: Leslie Shi <[email protected]>
Reviewed-by: Guchun Chen <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This patch reverts the following:
commit 48733b224fa7ba ("drm/amdkfd: add Navi2x to GWS init conditions")
Disable GWS usage in default settings for now due to FW bugs.
Signed-off-by: Jonathan Kim <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Initalize GWS on Navi2x with mec2_fw_version >= 0x42.
Signed-off-by: Graham Sider <[email protected]>
Reviewed-and-tested-by: Jonathan Kim <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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We found some headaches on ASICs don't need that,
so remove that for them.
Suggested-by: Lijo Lazar <[email protected]>
Signed-off-by: Lang Yu <[email protected]>
Reviewed-by: Kevin Wang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Currently, we don't find some neccesities to power on/off
SDMA in SMU hw_init/fini(). It makes more sense in SDMA
hw_init/fini().
Signed-off-by: Lang Yu <[email protected]>
Reviewed-by: Kevin Wang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Hawaii support is mostly untested these days. ROCm user mode also
depends on custom firmware for AQL packet processing, that was never
pushed upstream due to quality regressions in graphics driver testing.
Signed-off-by: Felix Kuehling <[email protected]>
Reviewed-by: Kent Russell <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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If an existing SVM range overlaps an svm_range_set_attr call, we would
normally split it in order to update only the overlapping part.
However, if the attributes of the existing range would not be changed
splitting it is unnecessary.
Signed-off-by: Felix Kuehling <[email protected]>
Reviewed-by: Philip Yang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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The existing function doesn't compare the access bitmaps and flags.
This can result in failure to update those attributes in existing
ranges when all other attributes remained unchanged.
Because the access and flags attributes modify only some bits in the
respective bitmaps, we cannot compare them directly. Instead we need to
check whether applying the attributes to a particular range would
change the bitmaps.
A PREFETCH_LOC attribute must always trigger a migration, even if the
attribute value remains unchanged. E.g. if some pages were migrated due
to a CPU page fault, a prefetch must still be executed to migrate pages
back to VRAM.
Signed-off-by: Felix Kuehling <[email protected]>
Reviewed-by: Philip Yang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Add null-pointer check after the last svm_range_new call. This was
originally reported by Zhou Qingyang <[email protected]> based on a
static analyzer.
To avoid duplicating the unwinding code from svm_range_handle_overlap,
I merged the two functions into one.
Signed-off-by: Felix Kuehling <[email protected]>
Cc: Zhou Qingyang <[email protected]>
Reviewed-by: Philip Yang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Remove not unique timestamp WARNING as same timestamp interrupt happens
on some chips,
Drain fault need to wait for the processed_timestamp to be truly greater
than the checkpoint or the ring to be empty to be sure no stale faults
are handled.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1818
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This fixes the warning below by changing the prototype to a location
that's actually included by the .c files that call
amdgpu_kms_compat_ioctl:
warning: no previous prototype for ‘amdgpu_kms_compat_ioctl’
[-Wmissing-prototypes]
37 | long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
| ^~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Isabella Basso <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This fixes warnings caused by global functions lacking prototypes:, such as:
warning: no previous prototype for 'dcn303_hw_sequencer_construct'
[-Wmissing-prototypes]
12 | void dcn303_hw_sequencer_construct(struct dc *dc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
...
warning: no previous prototype for ‘amdgpu_has_atpx’
[-Wmissing-prototypes]
76 | bool amdgpu_has_atpx(void) {
| ^~~~~~~~~~~~~~~
Reviewed-by: Rodrigo Siqueira <[email protected]>
Signed-off-by: Isabella Basso <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This turns previously global functions into static, thus removing
compile-time warnings such as:
warning: no previous prototype for 'pm_set_resources_vi' [-Wmissing-prototypes]
113 | int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer,
| ^~~~~~~~~~~~~~~~~~~
Signed-off-by: Isabella Basso <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This turns previously global functions into static, thus removing
compile-time warnings such as:
warning: no previous prototype for 'amdgpu_vkms_output_init' [-Wmissing-prototypes]
399 | int amdgpu_vkms_output_init(struct drm_device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Isabella Basso <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This fixes various warnings relating to erroneous docstring syntax, of
which some are listed below:
warning: Function parameter or member 'adev' not described in
'amdgpu_atomfirmware_ras_rom_addr'
...
warning: expecting prototype for amdgpu_atpx_validate_functions().
Prototype was for amdgpu_atpx_validate() instead
...
warning: Excess function parameter 'mem' description in 'amdgpu_preempt_mgr_new'
...
warning: Cannot understand * @kfd_get_cu_occupancy - Collect number of
waves in-flight on this device
...
warning: This comment starts with '/**', but isn't a kernel-doc
comment. Refer Documentation/doc-guide/kernel-doc.rst
Signed-off-by: Isabella Basso <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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Silences 166 compile-time warnings like:
warning: 'UVD0_BASE' defined but not used [-Wunused-const-variable=]
129 | static const struct IP_BASE UVD0_BASE ={ { { { 0x00007800, 0x00007E00, 0, 0, 0 } },
| ^~~~~~~~~
warning: 'UMC0_BASE' defined but not used [-Wunused-const-variable=]
123 | static const struct IP_BASE UMC0_BASE ={ { { { 0x00014000, 0, 0, 0, 0 } },
| ^~~~~~~~~
Signed-off-by: Isabella Basso <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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For the ASIC has big FB, it need more time to clear FB during reset.
This change extended SRIOV VF waiting reset completion timeout from 5s
to 10s.
Signed-off-by: Zhigang Luo <[email protected]>
Acked-by: Shaoyun Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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For SRIOV VF, the XGMI topology was not recovered after reset. This
change added code to SRIOV VF reset function to update XGMI topology
for SRIOV VF after reset.
Signed-off-by: Zhigang Luo <[email protected]>
Reviewed-by: Shaoyun Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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For SRIOV VF, XGMI was not initialized in PSP during recover. This change
added PSP XGMI initialization for SRIOV VF during recover.
Signed-off-by: Zhigang Luo <[email protected]>
Reviewed-by: Shaoyun Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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On SRIOV, host driver can support FLR(function level reset) on individual VF
within the hive which might bring the individual device back to normal without
the necessary to execute the hive reset. If the FLR failed , host driver will
trigger the hive reset, each guest VF will get reset notification before the
real hive reset been executed. The VF device can handle the reset request
individually in it's reset work handler.
This change updated gpu recover sequence to skip reset other device in
the same hive for SRIOV VF.
Signed-off-by: Zhigang Luo <[email protected]>
Reviewed-by: Shaoyun Liu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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[Why]
Allow for disabling non transparent mode of LTTPR for running tests.
[How]
Add a feature flag and set them during init sequence. The flags are
already being used in DC.
Signed-off-by: Aurabindo Pillai <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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The RAS poison mode is enabled by default on the platform.
Signed-off-by: Tao Zhou <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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It is to force SST sequence on MST capable receivers.
v2: squash in compilation fix when CONFIG_DRM_AMD_DC_DCN is not set
Signed-off-by: Fangzhi Zuo <[email protected]>
Reviewed-by: Aurabindo Pillai <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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When we recently converted the capture code to use vma snapshots,
we forgot to free the struct i915_capture_list list items after use.
Fix that by bringing back a kfree.
Fixes: ff20afc4cee7 ("drm/i915: Update error capture code to avoid using the current vma state")
Cc: Ramalingam C <[email protected]>
Signed-off-by: Thomas Hellström <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Some of the newer HW will use bigger RSA keys to authenticate the GuC
binary. On those platforms the HW will read the key from memory instead
of the RSA registers, so we need to copy it in a dedicated vma, like we
do for the HuC. The address of the key is provided to the HW via the
first RSA register.
v2: clarify that the RSA behavior is hardcoded in the bootrom (Matt)
Signed-off-by: Daniele Ceraolo Spurio <[email protected]>
Cc: Michal Wajdeczko <[email protected]>
Cc: John Harrison <[email protected]>
Cc: Matthew Brost <[email protected]>
Reviewed-by: Matthew Brost <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Future GuC/HuC firmwares might be signed with different key sizes.
Don't assume that it must be always 2048 bits long.
Signed-off-by: Michal Wajdeczko <[email protected]>
Signed-off-by: Daniele Ceraolo Spurio <[email protected]>
Reviewed-by: Matthew Brost <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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The FAILURE state of uc_fw currently implies that the fw is loadable
(i.e init completed), so we can't use it for init failures and instead
need a dedicated error code.
Note that this currently does not cause any issues because if we fail to
init any of the firmwares we abort the load, but better be accurate
anyway in case things change in the future.
Signed-off-by: Daniele Ceraolo Spurio <[email protected]>
Reviewed-by: Matthew Brost <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Collect the dipslay related mask under the display sub-structure
in intel_device_info.
Note that there is a slight change in behaviour in that we zero
out .display entirely when !HAS_DISPLAY (aka. pipe_mask==0), so
now we also zero out the other masks (although cpu_transocder_mask
should already be zero of pipe_mask is zero). abox_mask is
only used by the display core init when HAS_DISPLAY is true, so
the actual behaviour of the system shouldn't change despite the
zeroing of these masks.
There is a lot more display stuff directly in device info that
could be moved over. Maybe someone else will be inspired to do it...
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Jani Nikula <[email protected]>
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When updating the error capture code and introducing vma snapshots,
we introduced code to hold the vma in memory while capturing it,
calling i915_active_acquire_if_busy(). Now that function isn't relevant
for perma-pinned vmas and caused important vmas to be dropped from the
coredump. Like for example the GuC log.
Fix this by instead requiring those vmas to be pinned while capturing.
Tested by running the initial subtests of the gem_exec_capture igt test
with GuC submission enabled and verifying that a GuC log blob appears
in the output.
Fixes: ff20afc4cee7 ("drm/i915: Update error capture code to avoid using the current vma state")
Cc: Ramalingam C <[email protected]>
Cc: Matthew Auld <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: John Harrison <[email protected]>
Cc: Matthew Brost <[email protected]>
Reported-by: John Harrison <[email protected]>
Signed-off-by: Thomas Hellström <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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The definition is not needed outside of intel_cdclk.c.
Signed-off-by: Jani Nikula <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/f7e7e7fb91eae2b49a0ab5d982a235cec34e3320.1639068649.git.jani.nikula@intel.com
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Rename to intel_cdclk_atomic_check() and make
intel_cdclk_bw_calc_min_cdclk() static.
Signed-off-by: Jani Nikula <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/43ad4d437121f43d76c790ac5d4d131743d58988.1639068649.git.jani.nikula@intel.com
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Not needed.
Reviewed-by: Ville Syrjälä <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/01c4ea0cea17eead027c83dc9eaca3c181ce3a24.1639142167.git.jani.nikula@intel.com
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