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| author | Tao Zhou <tao.zhou1@amd.com> | 2024-03-11 16:51:49 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-20 13:38:14 -0400 |
| commit | 176c3e89567fdc037c318f672bbe3c2271004560 (patch) | |
| tree | 52c87a5aa29800c95d0b175afa713ba6344b7091 | |
| parent | 2a88f1b5d0fa88741ccb0860430e0d06acec5f54 (diff) | |
| download | linux-176c3e89567fdc037c318f672bbe3c2271004560.tar.gz linux-176c3e89567fdc037c318f672bbe3c2271004560.tar.bz2 linux-176c3e89567fdc037c318f672bbe3c2271004560.zip | |
drm/amdgpu: add utcl2 RAS poison query for mmhub
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c | 15 |
2 files changed, 17 insertions, 0 deletions
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 c41f600a5e10..50113cadaa0d 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[] = { |