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@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfxhub.h | 2 ++
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 17 +++++++++++++++++
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c | 15 +++++++++++++++
3 files changed, 34 insertions(+)
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)
--
2.34.1
