Files
linux/drivers/gpu/drm/amd/amdgpu
Perry Yuan 31b153315b drm/amdgpu: ensure no_hw_access is visible before MMIO
Add a full memory barrier after clearing no_hw_access in
amdgpu_device_mode1_reset() so subsequent PCI state restore
access cannot observe stale state on other CPUs.

Fixes: 7edb503fe4 ("drm/amd/pm: Disable MMIO access during SMU Mode 1 reset")
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-02-03 16:23:11 -05:00
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