diff options
| author | Tao Zhou <tao.zhou1@amd.com> | 2024-02-19 15:51:29 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-20 13:37:36 -0400 |
| commit | fb0f5f541475184f87965fa892570c053fd9eda3 (patch) | |
| tree | a9ada9102b3809f4911912d65c87ac8bf83db856 | |
| parent | b7b23877a2479951578dcaa8523314ed2cceccc3 (diff) | |
drm/amdgpu: add utcl2 poison query for gfxhub
Implement it for gfxhub 1.0 and 1.2.
v2: input logical xcc id for poison query interface.
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_gfxhub.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c | 15 |
3 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfxhub.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfxhub.h index c7b44aeb671b..103a837ccc71 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfxhub.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfxhub.h @@ -38,6 +38,8 @@ struct amdgpu_gfxhub_funcs { void (*mode2_save_regs)(struct amdgpu_device *adev); void (*mode2_restore_regs)(struct amdgpu_device *adev); void (*halt)(struct amdgpu_device *adev); + bool (*query_utcl2_poison_status)(struct amdgpu_device *adev, + int xcc_id); }; struct amdgpu_gfxhub { diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 22175da0e16a..d200310d1731 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -443,6 +443,22 @@ static void gfxhub_v1_0_init(struct amdgpu_device *adev) mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; } +static bool gfxhub_v1_0_query_utcl2_poison_status(struct amdgpu_device *adev, + int xcc_id) +{ + u32 status = 0; + struct amdgpu_vmhub *hub; + + if (amdgpu_ip_version(adev, GC_HWIP, 0) != IP_VERSION(9, 4, 2)) + return false; + + 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); +} const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = { .get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset, @@ -452,4 +468,5 @@ const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = { .set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default, .init = gfxhub_v1_0_init, .get_xgmi_info = gfxhub_v1_1_get_xgmi_info, + .query_utcl2_poison_status = gfxhub_v1_0_query_utcl2_poison_status, }; diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c index 49aecdcee006..77df8c9cbad2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c @@ -620,6 +620,20 @@ static int gfxhub_v1_2_get_xgmi_info(struct amdgpu_device *adev) return 0; } +static bool gfxhub_v1_2_query_utcl2_poison_status(struct amdgpu_device *adev, + int xcc_id) +{ + u32 fed, status; + + status = RREG32_SOC15(GC, GET_INST(GC, xcc_id), 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(GC, GET_INST(GC, xcc_id), + regVM_L2_PROTECTION_FAULT_STATUS), 1, ~1); + + return fed; +} + const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = { .get_mc_fb_offset = gfxhub_v1_2_get_mc_fb_offset, .setup_vm_pt_regs = gfxhub_v1_2_setup_vm_pt_regs, @@ -628,6 +642,7 @@ const struct amdgpu_gfxhub_funcs gfxhub_v1_2_funcs = { .set_fault_enable_default = gfxhub_v1_2_set_fault_enable_default, .init = gfxhub_v1_2_init, .get_xgmi_info = gfxhub_v1_2_get_xgmi_info, + .query_utcl2_poison_status = gfxhub_v1_2_query_utcl2_poison_status, }; static int gfxhub_v1_2_xcp_resume(void *handle, uint32_t inst_mask) |