Remove unnecessary register program in SRIOV
Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
Start from soc21, CP does not support MCBP, so disable it.
[how]
Used amgpu_mcbp flag alone instead of checking if is in SRIOV to
enable/disable MCBP.
Only set flag to enable on asic_type prior to soc21 in SRIOV.
Signed-off-by: Yiqing Yao <yiqing.yao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use virt_init_setting instead of per ip version setting.
Signed-off-by: Yiqing Yao <yiqing.yao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Hang on MES timeout if halt_if_hws_hang is set to 1.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
UAPI Changes:
Cross-subsystem Changes:
- dma-buf: locking improvements
- firmware: New API in the RaspberryPi firmware driver used by vc4
Core Changes:
- client: Null pointer dereference fix in drm_client_buffer_delete()
- mm/buddy: Add back random seed log
- ttm: Convert ttm_resource to use size_t for its size, fix for an
undefined behaviour
Driver Changes:
- bridge:
- adv7511: use dev_err_probe
- it6505: Fix return value check of pm_runtime_get_sync
- panel:
- sitronix: Fixes and clean-ups
- lcdif: Increase DMA burst size
- rockchip: runtime_pm improvements
- vc4: Fix for a regression preventing the use of 4k @ 60Hz, and
further HDMI rate constraints check.
- vmwgfx: Cursor improvements
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Merge tag 'drm-misc-next-2022-11-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 6.2:
UAPI Changes:
Cross-subsystem Changes:
- dma-buf: locking improvements
- firmware: New API in the RaspberryPi firmware driver used by vc4
Core Changes:
- client: Null pointer dereference fix in drm_client_buffer_delete()
- mm/buddy: Add back random seed log
- ttm: Convert ttm_resource to use size_t for its size, fix for an
undefined behaviour
Driver Changes:
- bridge:
- adv7511: use dev_err_probe
- it6505: Fix return value check of pm_runtime_get_sync
- panel:
- sitronix: Fixes and clean-ups
- lcdif: Increase DMA burst size
- rockchip: runtime_pm improvements
- vc4: Fix for a regression preventing the use of 4k @ 60Hz, and
further HDMI rate constraints check.
- vmwgfx: Cursor improvements
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221103083437.ksrh3hcdvxaof62l@houat
The recent change brought a bug on SRIOV envrionment. It caused
unloading amdgpu failed on Guest VM. The reason is that the VF
FLR was requested while unloading amdgpu driver, but the VF FLR
of SRIOV sequence is wrong while removing PCI device.
For SRIOV, the guest driver should not trigger the whole XGMI hive
to do the reset. Host driver control how the device been reset.
Fixes: f5c7e77970 ("drm/amdgpu: Adjust removal control flow for smu v13_0_2")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: Gavin Wan <Gavin.Wan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Temporary workaround to fix issues observed in some compute applications
when GFXOFF is enabled on GFX11.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0.x
If a system does not have swap and memory is under 100% usage,
amdgpu will fail to evict resources. Currently the suspend
carries on proceeding to reset the GPU:
```
[drm] evicting device resources failed
[drm:amdgpu_device_ip_suspend_phase2 [amdgpu]] *ERROR* suspend of IP block <vcn_v3_0> failed -12
[drm] free PSP TMR buffer
[TTM] Failed allocating page table
[drm] evicting device resources failed
amdgpu 0000:03:00.0: amdgpu: MODE1 reset
amdgpu 0000:03:00.0: amdgpu: GPU mode1 reset
amdgpu 0000:03:00.0: amdgpu: GPU smu mode1 reset
```
At this point if the suspend actually succeeded I think that amdgpu
would have recovered because the GPU would have power cut off and
restored. However the kernel fails to continue the suspend from the
memory pressure and amdgpu fails to run the "resume" from the aborted
suspend.
```
ACPI: PM: Preparing to enter system sleep state S3
SLUB: Unable to allocate memory on node -1, gfp=0xdc0(GFP_KERNEL|__GFP_ZERO)
cache: Acpi-State, object size: 80, buffer size: 80, default order: 0, min order: 0
node 0: slabs: 22, objs: 1122, free: 0
ACPI Error: AE_NO_MEMORY, Could not update object reference count (20210730/utdelete-651)
[drm:psp_hw_start [amdgpu]] *ERROR* PSP load kdb failed!
[drm:psp_resume [amdgpu]] *ERROR* PSP resume failed
[drm:amdgpu_device_fw_loading [amdgpu]] *ERROR* resume of IP block <psp> failed -62
amdgpu 0000:03:00.0: amdgpu: amdgpu_device_ip_resume failed (-62).
PM: dpm_run_callback(): pci_pm_resume+0x0/0x100 returns -62
amdgpu 0000:03:00.0: PM: failed to resume async: error -62
```
To avoid this series of unfortunate events, fail amdgpu's suspend
when the memory eviction fails. This will let the system gracefully
recover and the user can try suspend again when the memory pressure
is relieved.
Reported-by: post@davidak.de
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2223
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use mes.sched_version, mes.kiq_version for debugfs as
mes.ucode_fw_version does not contain correct versioning information.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch to fix the gdm3 start failure with virual display:
/usr/libexec/gdm-x-session[1711]: (II) AMDGPU(0): Setting screen physical size to 270 x 203
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): Failed to make import prime FD as pixmap: 22
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): failed to set mode: Invalid argument
/usr/libexec/gdm-x-session[1711]: (WW) AMDGPU(0): Failed to set mode on CRTC 0
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): Failed to enable any CRTC
gnome-shell[1840]: Running GNOME Shell (using mutter 42.2) as a X11 window and compositing manager
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): failed to set mode: Invalid argument
vkms doesn't have modifiers support, set fb_modifiers_not_supported to bring the gdm back.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
gfxhub_v3_0_3 system aperture registers are removed from RLCG register access range.
[How]
Skip access gfxhub_v3_0_3 system aperture registers under SRIOV VF.
These registers will be programmed on host side.
Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
SDMA0_F32_CNTL is a PF_only regitser which will be blocked by L1.
RLCG will not program the register as well.
[How]
Skip to program SDMA0_F32_CNTL under SRIOV VF.
Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
GRBM_CNTL is a PF_only register on gfx_v11.
RLCG interface will return "out of range" under SRIOV VF.
[How]
Skip access GRBM_CNTL under gfx_v11 SRIOV VF.
Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The recent change brought a bug on SRIOV envrionment. It caused
unloading amdgpu failed on Guest VM. The reason is that the VF
FLR was requested while unloading amdgpu driver, but the VF FLR
of SRIOV sequence is wrong while removing PCI device.
For SRIOV, the guest driver should not trigger the whole XGMI hive
to do the reset. Host driver control how the device been reset.
Fixes: f5c7e77970 ("drm/amdgpu: Adjust removal control flow for smu v13_0_2")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: Gavin Wan <Gavin.Wan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v1: Support gfx ras feature enablement for gfx v11_0_3.
v2: Update function name and error message.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cleanup kfd_dev struct by removing ddev and pdev as both
drm_device and pci_dev can be fetched from amdgpu_device.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Tested-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Temporary workaround to fix issues observed in some compute applications
when GFXOFF is enabled on GFX11.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If a system does not have swap and memory is under 100% usage,
amdgpu will fail to evict resources. Currently the suspend
carries on proceeding to reset the GPU:
```
[drm] evicting device resources failed
[drm:amdgpu_device_ip_suspend_phase2 [amdgpu]] *ERROR* suspend of IP block <vcn_v3_0> failed -12
[drm] free PSP TMR buffer
[TTM] Failed allocating page table
[drm] evicting device resources failed
amdgpu 0000:03:00.0: amdgpu: MODE1 reset
amdgpu 0000:03:00.0: amdgpu: GPU mode1 reset
amdgpu 0000:03:00.0: amdgpu: GPU smu mode1 reset
```
At this point if the suspend actually succeeded I think that amdgpu
would have recovered because the GPU would have power cut off and
restored. However the kernel fails to continue the suspend from the
memory pressure and amdgpu fails to run the "resume" from the aborted
suspend.
```
ACPI: PM: Preparing to enter system sleep state S3
SLUB: Unable to allocate memory on node -1, gfp=0xdc0(GFP_KERNEL|__GFP_ZERO)
cache: Acpi-State, object size: 80, buffer size: 80, default order: 0, min order: 0
node 0: slabs: 22, objs: 1122, free: 0
ACPI Error: AE_NO_MEMORY, Could not update object reference count (20210730/utdelete-651)
[drm:psp_hw_start [amdgpu]] *ERROR* PSP load kdb failed!
[drm:psp_resume [amdgpu]] *ERROR* PSP resume failed
[drm:amdgpu_device_fw_loading [amdgpu]] *ERROR* resume of IP block <psp> failed -62
amdgpu 0000:03:00.0: amdgpu: amdgpu_device_ip_resume failed (-62).
PM: dpm_run_callback(): pci_pm_resume+0x0/0x100 returns -62
amdgpu 0000:03:00.0: PM: failed to resume async: error -62
```
To avoid this series of unfortunate events, fail amdgpu's suspend
when the memory eviction fails. This will let the system gracefully
recover and the user can try suspend again when the memory pressure
is relieved.
Reported-by: post@davidak.de
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2223
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1. Update EEPROM_I2C_MADDR_SMU_13_0_0 to EEPROM_I2C_MADDR_54H
2. Add EEPROM I2C address support for smu v13_0_0 and v13_0_10.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Enable RAS EEPROM support for smu v13_0_0 and v13_0_10.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1. Add a function pointer structure ta_funcs to psp context
2. Make the interfaces generic to all TAs
3. Leverage exisitng TA context and remove unused functions
4. Fix return code bugs
v2: Add comments for ta funcs macros and correct typo
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Candice Li <candice.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1. Save TA unload psp response status
2. Add RAS TA loading status check for initializaiton
3. Drop RAS context teardown to allow RAS TA to be reloaded
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Candice Li <candice.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
MES scheduler and kiq versions are stored in mes.sched_version and
mes.kiq_version, respectively, which are read from a register after
their queues are initialized. Remove mes.ucode_fw_version and
mes.data_fw_version which tried to read this versioning info from the
firmware headers (which don't contain this information).
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use mes.sched_version, mes.kiq_version for debugfs as
mes.ucode_fw_version does not contain correct versioning information.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Before we call psp_securedisplay_invoke(), we call
psp_prep_securedisplay_cmd_buf() to prepare and initialize the command
buffer.
However, we didn't use the mutex_lock to protect the status of command
buffer. So when multiple threads are using the command buffer, after
thread A return from psp_securedisplay_invoke() and the command buffer
status is set to SUCCESS, another thread B may call
psp_prep_securedisplay_cmd_buf() and initialize the status to FAILURE
again, and cause Thread A to get a failure return status.
[How]
Move the mutex_lock out of psp_securedisplay_invoke() to its caller to
cover psp_prep_securedisplay_cmd_buf() and the code checking the return
status of command buffer.
Signed-off-by: Alan Liu <HaoPing.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Make the code simpler.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
For MCA poison, if unmap queue fails, only gpu reset should be
triggered without page retirement handling, MCA notifier will do it.
v2: handle MCA poison consumption in umc_poison_handler directly.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Make the code more readable.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Define page retirement functions for MCA platform.
v2: remove page retirement handling from MCA poison handler,
let MCA notifier do page retirement.
v3: remove specific poison handler for MCA to simplify code.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This patch to fix the gdm3 start failure with virual display:
/usr/libexec/gdm-x-session[1711]: (II) AMDGPU(0): Setting screen physical size to 270 x 203
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): Failed to make import prime FD as pixmap: 22
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): failed to set mode: Invalid argument
/usr/libexec/gdm-x-session[1711]: (WW) AMDGPU(0): Failed to set mode on CRTC 0
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): Failed to enable any CRTC
gnome-shell[1840]: Running GNOME Shell (using mutter 42.2) as a X11 window and compositing manager
/usr/libexec/gdm-x-session[1711]: (EE) AMDGPU(0): failed to set mode: Invalid argument
vkms doesn't have modifiers support, set fb_modifiers_not_supported to bring the gdm back.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Change ttm_resource structure from num_pages to size_t size in bytes.
v1 -> v2: change PFN_UP(dst_mem->size) to ttm->num_pages
v1 -> v2: change bo->resource->size to bo->base.size at some places
v1 -> v2: remove the local variable
v1 -> v2: cleanup cmp_size_smaller_first()
v2 -> v3: adding missing PFN_UP in ttm_bo_vm_fault_reserved
Signed-off-by: Somalapuram Amaranath <Amaranath.Somalapuram@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221027091237.983582-1-Amaranath.Somalapuram@amd.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
In the S2idle suspend/resume phase the gfxoff is keeping functional so
some IP blocks will be likely to reinitialize at gfxoff entry and that
will result in failing to program GC registers.Therefore, let disallow
gfxoff until AMDGPU IPs reinitialized completely.
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>
Cc: stable@vger.kernel.org # 5.15.x
UAPI Changes:
- Documentation for page-flip flags
Cross-subsystem Changes:
- dma-buf: Add unlocked variant of vmapping and attachment-mapping
functions
Core Changes:
- atomic-helpers: CRTC primary plane test fixes
- connector: TV API consistency improvements, cmdline parsing
improvements
- crtc-helpers: Introduce drm_crtc_helper_atomic_check() helper
- edid: Fixes for HFVSDB parsing,
- fourcc: Addition of the Vivante tiled modifier
- makefile: Sort and reorganize the objects files
- mode_config: Remove fb_base from drm_mode_config_funcs
- sched: Add a module parameter to change the scheduling policy,
refcounting fix for fences
- tests: Sort the Kunit tests in the Makefile, improvements to the
DP-MST tests
- ttm: Remove unnecessary drm_mm_clean() call
Driver Changes:
- New driver: ofdrm
- Move all drivers to a common dma-buf locking convention
- bridge:
- adv7533: Remove dynamic lane switching
- it6505: Runtime PM support
- ps8640: Handle AUX defer messages
- tc358775: Drop soft-reset over I2C
- ast: Atomic Gamma LUT Support, Convert to SHMEM, various
improvements
- lcdif: Support for YUV planes
- mgag200: Fix PLL Setup on some revisions
- udl: Modesetting improvements, hot-unplug support
- vc4: Fix support for PAL-M
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Merge tag 'drm-misc-next-2022-10-20' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 6.2:
UAPI Changes:
- Documentation for page-flip flags
Cross-subsystem Changes:
- dma-buf: Add unlocked variant of vmapping and attachment-mapping
functions
Core Changes:
- atomic-helpers: CRTC primary plane test fixes
- connector: TV API consistency improvements, cmdline parsing
improvements
- crtc-helpers: Introduce drm_crtc_helper_atomic_check() helper
- edid: Fixes for HFVSDB parsing,
- fourcc: Addition of the Vivante tiled modifier
- makefile: Sort and reorganize the objects files
- mode_config: Remove fb_base from drm_mode_config_funcs
- sched: Add a module parameter to change the scheduling policy,
refcounting fix for fences
- tests: Sort the Kunit tests in the Makefile, improvements to the
DP-MST tests
- ttm: Remove unnecessary drm_mm_clean() call
Driver Changes:
- New driver: ofdrm
- Move all drivers to a common dma-buf locking convention
- bridge:
- adv7533: Remove dynamic lane switching
- it6505: Runtime PM support
- ps8640: Handle AUX defer messages
- tc358775: Drop soft-reset over I2C
- ast: Atomic Gamma LUT Support, Convert to SHMEM, various
improvements
- lcdif: Support for YUV planes
- mgag200: Fix PLL Setup on some revisions
- udl: Modesetting improvements, hot-unplug support
- vc4: Fix support for PAL-M
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221020072405.g3o4hxuk75gmeumw@houat
IMU is a new firmware for GFX11.
There are four means by which firmware version can be queried
from the driver: device attributes, vf2pf, debugfs,
and the AMDGPU_INFO_FW_VERSION option in the amdgpu info ioctl.
Add IMU as an option for those four methods.
V2: Added debugfs
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David Francis <David.Francis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
allow gfxoff on gc_11_0_3
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If the number of pages from the userptr BO differs from the SG BO then the
allocated memory for the SG table doesn't get freed before returning
-EINVAL, which may lead to a memory leak in some error paths. Fix this by
checking the number of pages before allocating memory for the SG table.
Fixes: 264fb4d332 ("drm/amdgpu: Add multi-GPU DMA mapping helpers")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
MMHUB 2.1.x versions don't have ATCL2. Remove accesses to ATCL2 registers.
Since they are non-existing registers, read access will cause a
'Completer Abort' and gets reported when AER is enabled with the below patch.
Tagging with the patch so that this is backported along with it.
v2: squash in uninitialized warning fix (Nathan Chancellor)
Fixes: 8795e182b0 ("PCI/portdrv: Don't disable AER reporting in get_port_device_capability()")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
In the S2idle suspend/resume phase the gfxoff is keeping functional so
some IP blocks will be likely to reinitialize at gfxoff entry and that
will result in failing to program GC registers.Therefore, let disallow
gfxoff until AMDGPU IPs reinitialized completely.
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>
