kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c, branch v6.19.12

drm/amdgpu: Adjust usleep_range in fence wait

2026-03-04T12:20:47+00:00

[ Upstream commit 3ee1c72606bd2842f0f377fd4b118362af0323ae ] Tune the sleep interval in the PSP fence wait loop from 10-100us to 60-100us.This adjustment results in an overall wait window of 1.2s (60us * 20000 iterations) to 2 seconds (100us * 20000 iterations), which guarantees that we can retrieve the correct fence value Signed-off-by: Ce Sun Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amdgpu: Enable xgmi extended peer links for sriov guest

2025-11-14T16:27:42+00:00

The amd-smi tool relies on extended peer link information to report xgmi link metrics. The necessary xgmi ta command, GET_EXTEND_PEER_LINKS, has been enabled in the host driver and this change is necessary for the guest to make use of it. To handle the case where the host driver does not have the latest xgmi ta, the guest driver checks for guest support through a pf2vf feature flag before invoking psp. Signed-off-by: Will Aitken Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amdgpu: Refactor sriov xgmi topology filling to common code

2025-11-14T16:27:29+00:00

amdgpu_xgmi_fill_topology_info and psp_xgmi_reflect_topology_info perform the same logic of copying topology info of one node to every other node in the hive. Instead of having two functions that purport to do the same thing, this refactoring moves the logic of the fill function to the reflect function and adds reflecting port number info as well for complete functionality. Signed-off-by: Will Aitken Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher

drm/amd: Fix suspend failure with secure display TA

2025-11-06T14:57:24+00:00

commit c760bcda83571 ("drm/amd: Check whether secure display TA loaded successfully") attempted to fix extra messages, but failed to port the cleanup that was in commit 5c6d52ff4b61e ("drm/amd: Don't try to enable secure display TA multiple times") to prevent multiple tries. Add that to the failure handling path even on a quick failure. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4679 Fixes: c760bcda8357 ("drm/amd: Check whether secure display TA loaded successfully") Signed-off-by: Mario Limonciello Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amd: Check whether secure display TA loaded successfully

2025-10-07T18:09:06+00:00

[Why] Not all renoir hardware supports secure display. If the TA is present but the feature isn't supported it will fail to load or send commands. This shows ERR messages to the user that make it seems like there is a problem. [How] Check the resp_status of the context to see if there was an error before trying to send any secure display commands. Reviewed-by: Alex Deucher Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1415 Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher

Revert "drm/amdgpu: Allocate psp fw private buffer in vram"

2025-09-15T20:56:15+00:00

This reverts commit 22dcb283d63d5677a5875d0002d04d2c61720f78. Need to certain APU platforms and will proceed to rework the patch accordingly Signed-off-by: Hawking Zhang Reviewed-by: Le Ma Signed-off-by: Alex Deucher

drm/amd/amdgpu: Fix missing error return on kzalloc failure

2025-09-02T19:57:10+00:00

Currently the kzalloc failure check just sets reports the failure and sets the variable ret to -ENOMEM, which is not checked later for this specific error. Fix this by just returning -ENOMEM rather than setting ret. Fixes: 4fb930715468 ("drm/amd/amdgpu: remove redundant host to psp cmd buf allocations") Signed-off-by: Colin Ian King Signed-off-by: Alex Deucher

Merge tag 'amd-drm-next-6.18-2025-08-29' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

2025-09-01T23:35:54+00:00

amd-drm-next-6.18-2025-08-29: amdgpu: - Replay fixes - RAS updates - VCN SRAM load fixes - EDID read fixes - eDP ALPM support - AUX fixes - Documenation updates - Rework how PTE flags are generated - DCE6 fixes - VCN devcoredump cleanup - MMHUB client id fixes - SR-IOV fixes - VRR fixes - VCN 5.0.1 RAS support - Backlight fixes - UserQ fixes - Misc code cleanups - SMU 13.0.12 updates - Expanded PCIe DPC support - Expanded VCN reset support - SMU 13.0.x Updates - VPE per queue reset support - Cusor rotation fix - DSC fixes - GC 12 MES TLB invalidation update - Cursor fixes - Non-DC TMDS clock validation fix amdkfd: - debugfs fixes - Misc code cleanups - Page migration fixes - Partition fixes - SVM fixes radeon: - Misc code cleanups Signed-off-by: Dave Airlie From: Alex Deucher Link: https://lore.kernel.org/r/20250829190848.1921648-1-alexander.deucher@amd.com

drm/amdgpu: remove redundant AMDGPU_HAS_VRAM

2025-08-27T17:57:48+00:00

AMDGPU_HAS_VRAM is redundant with is_app_apu, as both refer to APUs with no carve-out. Since AMDGPU_HAS_VRAM only occurs once, remove AMDGPU_HAS_VRAM definition. The tmr allocation can be covered with AMDGPU_GEM_DOMAIN_GTT | AMDGPU_GEM_DOMAIN_VRAM in both vram and non vram ASICs. Signed-off-by: Yifan Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Allocate psp fw private buffer in vram

2025-08-27T17:57:47+00:00

It's not necessarily to allocate psp firmware private buffer in different memory domain in sriov and bare metal environment Signed-off-by: Hawking Zhang Reviewed-by: Le Ma Signed-off-by: Alex Deucher