This issue happens because "pipe_ctx->stream_res.tg"
needs to be initialized first before reading its members.
This commit fixes this issue by properly initializing
the pointer before accessing the target data.
Evan Quan [Wed, 6 Apr 2022 21:44:44 +0000 (17:44 -0400)]
drm/amd/pm: enable SCPM support for SMU
With SCPM enabled, the pptable used will be signed. It cannot
be used directly by driver. To get the raw pptable, we need to
rely on the combo pptable(and its revelant SMU message).
Also, the pptable transferring(to SMU) will be performed by PSP.
Some SMU messages will be not available to driver any more.
Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Evan Quan [Thu, 31 Mar 2022 22:10:35 +0000 (18:10 -0400)]
drm/amd/pm: move bootup values retrieving to ->sw_init
Firsrt of all, the operations involved is to interact with
VBIOS. They are fully supported at ->sw_init phase.
Secondly, the new mechanism to upload pptable to SMU is
introduced. With the new mechanism, the pptable transferring
has to be via PSP. That requires the pptable ucode(and necessary
bootupp values retrieving) must be ready before ->hw_init phase of PSP.
Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Alice Wong [Thu, 28 Apr 2022 01:03:54 +0000 (21:03 -0400)]
drm/amdgpu/psp: deallocate memory when psp_load_fw failed
psp_load_fw failure would cause memory leak for psp tmr and psp ring
because psp_hw_init is not called as psp block is not fully initialized.
Clean up psp tmr and psp ring when psp_load_fw fail by calling
psp_free_shared_bufs and psp_ring_destroy.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alice Wong <shiwei.wong@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
On Sienna Cichild, not all platforms use PMFW based fan control
(ex: fanless systems). On such ASICs fan control by PMFW will be
disabled in PPTable. Disable hwmon knobs for fan control also as
it is not possible to report or control fan speed on such platforms
through driver.
v3: FeaturesToRun casted as uint64_t
Signed-off-by: Elena Sakhnovitch <elena.sakhnovitch@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Alex Deucher [Thu, 21 Apr 2022 05:21:52 +0000 (01:21 -0400)]
drm/amdgpu/psp: move PSP memory alloc from hw_init to sw_init
Memory allocations should be done in sw_init. hw_init should
just be hardware programming needed to initialize the IP block.
This is how most other IP blocks work. Move the GPU memory
allocations from psp hw_init to psp sw_init and move the memory
free to sw_fini. This also fixes a potential GPU memory leak
if psp hw_init fails.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Philip Yang [Fri, 29 Apr 2022 00:17:38 +0000 (20:17 -0400)]
drm/amdgpu: Free user pages if kvmalloc_array fails
To cleanup the BOs of bo_list which have got user pages.
Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/smu: Increace dpm level count only for smu v13.0.2
Only V13.0.2 on SMU v13 will get 0 based max level from fw and
increment by one, other ASIC will not need for this.
V2: replace the asic_type check with ip versioning check.
Harry Wentland [Tue, 19 Apr 2022 17:03:12 +0000 (13:03 -0400)]
drm/amd/display: Avoid reading audio pattern past AUDIO_CHANNELS_COUNT
A faulty receiver might report an erroneous channel count. We
should guard against reading beyond AUDIO_CHANNELS_COUNT as
that would overflow the dpcd_pattern_period array.
Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Philip Yang [Wed, 27 Apr 2022 22:50:49 +0000 (18:50 -0400)]
drm/amdgpu: Free user pages if amdgpu_cs_parser_bos failed
Otherwise userspace resubmit the BOs again will trigger kernel WARNING
and fail the command submission.
Signed-off-by: Philip Yang <Philip.Yang@amd.com> Tested-by: Robert Święcki <robert@swiecki.net> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Candice Li [Wed, 27 Apr 2022 10:02:45 +0000 (18:02 +0800)]
drm/amdgpu: Fix build warning for TA debugfs interface
Remove the redundant codes to fix build warning
when CONFIG_DEBUG_FS is disabled.
Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Changed from v1:
Switch WREG32/RREG32_PCIE to use indirect reg access
helper for sco15 and onwards
Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stanley.Yang [Wed, 4 Aug 2021 07:43:17 +0000 (15:43 +0800)]
drm/amdgpu: add new write field for soc21
add new write field macro to handle soc21
registers with reg prefix
Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Hawking Zhang [Mon, 28 Feb 2022 10:35:02 +0000 (18:35 +0800)]
drm/amdgpu: switch to atomfirmware_asic_init
Some initial settings now are not available from
the atom data table. The assumption that !ps[0]
|| !ps[1] in amdgpu_atom_asic_init is not valid.
In addition, driver needs to strictly follow
atomfirmware structure (asic_init_parameters) to
initialize parameters used to execute asic_init
function, otherwise, the execution of asic_init
would fail.
This shall be applicable to all soc15 adapters,but
let make the transition on soc21 first.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: disable runtime pm on several sienna cichlid cards(v2)
Disable runtime power management on several sienna cichlid
cards, otherwise SMU will possibly fail to be resumed from
runtime suspend. Will drop this after a clean solution between
kernel driver and SMU FW is available.
amdgpu 0000:63:00.0: amdgpu: GECC is enabled
amdgpu 0000:63:00.0: amdgpu: SECUREDISPLAY: securedisplay ta ucode is not available
amdgpu 0000:63:00.0: amdgpu: SMU is resuming...
amdgpu 0000:63:00.0: amdgpu: SMU: I'm not done with your command: SMN_C2PMSG_66:0x0000000E SMN_C2PMSG_82:0x00000080
amdgpu 0000:63:00.0: amdgpu: Failed to SetDriverDramAddr!
amdgpu 0000:63:00.0: amdgpu: Failed to setup smc hw!
[drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block <smu> failed -62
amdgpu 0000:63:00.0: amdgpu: amdgpu_device_ip_resume failed (-62)
v2: seperate to a function.
Signed-off-by: Guchun Chen <guchun.chen@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: do not use passthrough mode in Xen dom0
While technically Xen dom0 is a virtual machine too, it does have
access to most of the hardware so it doesn't need to be considered a
"passthrough". Commit b818a5d37454 ("drm/amdgpu/gmc: use PCI BARs for
APUs in passthrough") changed how FB is accessed based on passthrough
mode. This breaks amdgpu in Xen dom0 with message like this:
[drm:dc_dmub_srv_wait_idle [amdgpu]] *ERROR* Error waiting for DMUB idle: status=3
While the reason for this failure is unclear, the passthrough mode is
not really necessary in Xen dom0 anyway. So, to unbreak booting affected
kernels, disable passthrough mode in this case.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1985 Fixes: b818a5d37454 ("drm/amdgpu/gmc: use PCI BARs for APUs in passthrough") Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reported-by: kernel test robot <lkp@intel.com> CC: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit fixes the deadlock warning by ensuring pm.mutex is not
held while holding the topology lock. For this, kfd_local_mem_info
is moved into the KFD dev struct and filled during device init.
This cached value can then be used instead of querying the value
again and again.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdkfd: Fix updating IO links during device removal
The logic to update the IO links when a KFD device
is removed was not correct as it would miss updating
the proximity domain values for some nodes where the
node_from and node_to both were greater values than the
proximity domain value of the KFD device being removed
from topology.
Fixes: 46d18d510d7831 ("drm/amdkfd: Cleanup IO links during KFD device removal") Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdkfd: Use non-atomic bitmap functions when possible
All uses of the 'kfd->gtt_sa_bitmap' bitmap are protected with the
'kfd->gtt_sa_lock' mutex.
So:
- prefer the non-atomic '__set_bit()' function
- use the non-atomic 'bitmap_[set|clear]()' functions instead of
equivalent 'for' loops. These functions can work on several bits at a
time
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
'kfd->gtt_sa_bitmap' is a bitmap. So use 'bitmap_zalloc()' to simplify
code, improve the semantic and avoid some open-coded arithmetic in
allocator arguments.
Also change the corresponding 'kfree()' into 'bitmap_free()' to keep
consistency.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Melissa Wen [Wed, 30 Mar 2022 23:02:04 +0000 (22:02 -0100)]
drm/amd/display: protect remaining FPU-code calls on dcn3.1.x
From [1], I realized two other calls to dcn30 code are associated with
FPU operations and are not protected by DC_FP_* macros:
* dcn30_populate_dml_writeback_from_context()
* dcn30_set_mcif_arb_params()
So, since FPU-associated code is not fully isolated in dcn30, and
dcn3.1.x reuses them, let's wrap their calls properly.
Dan Carpenter [Tue, 26 Apr 2022 08:48:03 +0000 (11:48 +0300)]
drm/amdgpu: debugfs: fix error codes in write functions
There are two error code bugs here. The copy_to/from_user() functions
return the number of bytes remaining (a positive number). We should
return -EFAULT if the copy fails.
Second if we fail because "context.resp_status" is non-zero then return
-EINVAL instead of zero.
Fixes: e50d9ba0d2cd ("drm/amdgpu: Add debugfs TA load/unload/invoke support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
David Zhang [Mon, 25 Apr 2022 18:33:16 +0000 (14:33 -0400)]
drm/amd: add dc feature mask flags for PSR allow smu and multi-display optimizations
[Why]
Allow for PSR SMU optimization and PSR multiple display optimization.
[How]
Add feature flags of PSR smu optimization and PSR multiple display
optimiztaion, and set them during init sequence. By default, flags
are disabled.
Signed-off-by: David Zhang <dingchen.zhang@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Roman Li <Roman.Li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: keep mmhub clock gating being enabled during s2idle suspend
Without MMHUB clock gating being enabled then MMHUB will not disconnect
from DF and will result in DF C-state entry can't be accessed during S2idle
suspend, and eventually s0ix entry will be blocked.
Signed-off-by: Prike Liang <Prike.Liang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>