drm/amdgpu: Retire query_utcl2_poison_status callback

Driver switches to interrupt source id to identify
utcl2 poison event. polling interface is not needed.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Hawking Zhang

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -783,22 +783,6 @@ int amdgpu_amdkfd_send_close_event_drain_irq(struct amdgpu_device *adev,
 	return 0;
 }
 
-bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev,
-			int hub_inst, int hub_type)
-{
-	if (!hub_type) {
-		if (adev->gfxhub.funcs->query_utcl2_poison_status)
-			return adev->gfxhub.funcs->query_utcl2_poison_status(adev, hub_inst);
-		else
-			return false;
-	} else {
-		if (adev->mmhub.funcs->query_utcl2_poison_status)
-			return adev->mmhub.funcs->query_utcl2_poison_status(adev, hub_inst);
-		else
-			return false;
-	}
-}
-
 int amdgpu_amdkfd_check_and_lock_kfd(struct amdgpu_device *adev)
 {
 	return kgd2kfd_check_and_lock_kfd();

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h

@@ -350,8 +350,6 @@ bool amdgpu_amdkfd_is_fed(struct amdgpu_device *adev);
 bool amdgpu_amdkfd_bo_mapped_to_dev(void *drm_priv, struct kgd_mem *mem);
 void amdgpu_amdkfd_block_mmu_notifications(void *p);
 int amdgpu_amdkfd_criu_resume(void *p);
-bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev,
-			int hub_inst, int hub_type);
 int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev,
 		uint64_t size, u32 alloc_flag, int8_t xcp_id);
 void amdgpu_amdkfd_unreserve_mem_limit(struct amdgpu_device *adev,

drivers/gpu/drm/amd/amdgpu/amdgpu_gfxhub.h

@@ -38,8 +38,6 @@ 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 {

drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h

@@ -63,8 +63,6 @@ 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 {

drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c

@@ -443,23 +443,6 @@ 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,
 	.setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs,
@@ -468,5 +451,4 @@ 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,
 };

drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c

@@ -622,22 +622,6 @@ 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);
-	if (!amdgpu_sriov_vf(adev)) {
-		/* clear page fault status and address */
-		WREG32_P(SOC15_REG_OFFSET(GC, GET_INST(GC, xcc_id),
-			 regVM_L2_PROTECTION_FAULT_CNTL), 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,
@@ -646,7 +630,6 @@ 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)

drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c

@@ -559,22 +559,6 @@ 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);
-	if (!amdgpu_sriov_vf(adev)) {
-		/* clear page fault status and address */
-		WREG32_P(SOC15_REG_OFFSET(MMHUB, hub_inst,
-			 regVM_L2_PROTECTION_FAULT_CNTL), 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,
@@ -584,7 +568,6 @@ 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[] = {