Add it for mmhub v1.8.
Signed-off-by: Tao Zhou <tao.zhou1@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h | 2 ++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c | 15 +++++++++++++++
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
index 1ca9d4ed8063..95d676ee207f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
@@ -63,6 +63,8 @@ struct amdgpu_mmhub_funcs {
uint64_t page_table_base);
void (*update_power_gating)(struct amdgpu_device *adev,
bool enable);
+ bool (*query_utcl2_poison_status)(struct amdgpu_device *adev,
+ int hub_inst);
};
struct amdgpu_mmhub {
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
index c0fc44cdd658..b7aa05dbef86 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
@@ -559,6 +559,20 @@ static void mmhub_v1_8_get_clockgating(struct amdgpu_device *adev, u64 *flags)
}
+static bool mmhub_v1_8_query_utcl2_poison_status(struct amdgpu_device *adev,
+ int hub_inst)
+{
+ u32 fed, status;
+
+ status = RREG32_SOC15(MMHUB, hub_inst, regVM_L2_PROTECTION_FAULT_STATUS);
+ fed = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, FED);
+ /* reset page fault status */
+ WREG32_P(SOC15_REG_OFFSET(MMHUB, hub_inst,
+ regVM_L2_PROTECTION_FAULT_STATUS), 1, ~1);
+
+ return fed;
+}
+
const struct amdgpu_mmhub_funcs mmhub_v1_8_funcs = {
.get_fb_location = mmhub_v1_8_get_fb_location,
.init = mmhub_v1_8_init,
@@ -568,6 +582,7 @@ const struct amdgpu_mmhub_funcs mmhub_v1_8_funcs = {
.setup_vm_pt_regs = mmhub_v1_8_setup_vm_pt_regs,
.set_clockgating = mmhub_v1_8_set_clockgating,
.get_clockgating = mmhub_v1_8_get_clockgating,
+ .query_utcl2_poison_status = mmhub_v1_8_query_utcl2_poison_status,
};
static const struct amdgpu_ras_err_status_reg_entry mmhub_v1_8_ce_reg_list[] = {
--
2.34.1
