Add help function to query and reset RAS UTCL2 poison status.
Signed-off-by: Tao Zhou <tao.zhou1@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index aace4594a603..de04006f8db1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -4329,10 +4329,24 @@ static int gfx_v9_4_3_ras_late_init(struct amdgpu_device *adev, struct ras_commo
return r;
}
+static bool gfx_v9_4_3_query_uctl2_poison_status(struct amdgpu_device *adev)
+{
+ u32 status = 0;
+ struct amdgpu_vmhub *hub;
+
+ hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
+ status = RREG32(hub->vm_l2_pro_fault_status);
+ /* reset page fault status */
+ WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
+
+ return REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, FED);
+}
+
struct amdgpu_gfx_ras gfx_v9_4_3_ras = {
.ras_block = {
.hw_ops = &gfx_v9_4_3_ras_ops,
.ras_late_init = &gfx_v9_4_3_ras_late_init,
},
.enable_watchdog_timer = &gfx_v9_4_3_enable_watchdog_timer,
+ .query_utcl2_poison_status = &gfx_v9_4_3_query_uctl2_poison_status,
};
--
2.34.1
