CVE-2023-53471 drm/amdgpu/gfx: disable gfx9 cp_ecc_error_irq only when enabling legacy gfx ras

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx: disable gfx9 cpeccerrorirq only when enabling legacy gfx ras gfx9 cpeccerrorirq is only enabled when legacy gfx ras is assert. So in gfxv90hwfini, interrupt disablement for cpeccerrorirq should be executed under...

CVE-2023-53471

The CVE-2023-53471 issue affects the Linux kernel’s DRM AMDGPU driver (gfx9). The root cause is that gfx9 cp_ecc_error_irq was enabled only when legacy gfx ras is asserted, but gfx_v9_0_hw_fini may disable cp_ecc_error_irq outside that condition, leading to an amdgpu_irq_put calltrace. Affected p...