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drm/amdgpu: add utcl2 RAS poison query for mmhub

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Add it for mmhub v1.8.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou 2024-03-11 16:51:49 +08:00 committed by Alex Deucher
parent 2a88f1b5d0
commit 176c3e8956
2 changed files with 17 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
View File

@ -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 {

15
drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
View File

@ -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[] = {