Note that setting the preepmtion grace period to 0 will result in an
infinite grace period being set due to a CP FW bug so set it to 1 for now.
Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
---
.../drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c | 2 +
.../drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c | 2 +
.../drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c | 43 ++++++++++++
.../drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.h | 6 ++
.../drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c | 2 +
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 43 ++++++++++++
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h | 9 ++-
.../drm/amd/amdkfd/kfd_device_queue_manager.c | 61 ++++++++++++-----
.../drm/amd/amdkfd/kfd_device_queue_manager.h | 2 +
.../gpu/drm/amd/amdkfd/kfd_packet_manager.c | 32 +++++++++
.../drm/amd/amdkfd/kfd_packet_manager_v9.c | 39 +++++++++++
.../gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h | 65 +++++++++++++++++++
drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 5 ++
13 files changed, 291 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c
index 42491a31f352..c9629fc5460c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_aldebaran.c
@@ -73,5 +73,7 @@ const struct kfd2kgd_calls aldebaran_kfd2kgd = {
.set_vm_context_page_table_base = kgd_gfx_v9_set_vm_context_page_table_base,
.enable_debug_trap = kgd_aldebaran_enable_debug_trap,
.disable_debug_trap = kgd_aldebaran_disable_debug_trap,
+ .get_iq_wait_times = kgd_gfx_v9_get_iq_wait_times,
+ .build_grace_period_packet_info = kgd_gfx_v9_build_grace_period_packet_info,
.program_trap_handler_settings = kgd_gfx_v9_program_trap_handler_settings,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
index 13f02a0aa828..60a204f767ba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
@@ -397,6 +397,8 @@ const struct kfd2kgd_calls arcturus_kfd2kgd = {
kgd_gfx_v9_set_vm_context_page_table_base,
.enable_debug_trap = kgd_arcturus_enable_debug_trap,
.disable_debug_trap = kgd_arcturus_disable_debug_trap,
+ .get_iq_wait_times = kgd_gfx_v9_get_iq_wait_times,
+ .build_grace_period_packet_info = kgd_gfx_v9_build_grace_period_packet_info,
.get_cu_occupancy = kgd_gfx_v9_get_cu_occupancy,
.program_trap_handler_settings = kgd_gfx_v9_program_trap_handler_settings,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
index c09b45de02d0..2491402afd58 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
@@ -801,6 +801,47 @@ uint32_t kgd_gfx_v10_disable_debug_trap(struct amdgpu_device *adev,
return 0;
}
+/* kgd_gfx_v10_get_iq_wait_times: Returns the mmCP_IQ_WAIT_TIME1/2 values
+ * The values read are:
+ * ib_offload_wait_time -- Wait Count for Indirect Buffer Offloads.
+ * atomic_offload_wait_time -- Wait Count for L2 and GDS Atomics Offloads.
+ * wrm_offload_wait_time -- Wait Count for WAIT_REG_MEM Offloads.
+ * gws_wait_time -- Wait Count for Global Wave Syncs.
+ * que_sleep_wait_time -- Wait Count for Dequeue Retry.
+ * sch_wave_wait_time -- Wait Count for Scheduling Wave Message.
+ * sem_rearm_wait_time -- Wait Count for Semaphore re-arm.
+ * deq_retry_wait_time -- Wait Count for Global Wave Syncs.
+ */
+void kgd_gfx_v10_get_iq_wait_times(struct amdgpu_device *adev,
+ uint32_t *wait_times)
+
+{
+ *wait_times = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2));
+}
+
+void kgd_gfx_v10_build_grace_period_packet_info(struct amdgpu_device *adev,
+ uint32_t wait_times,
+ uint32_t grace_period,
+ uint32_t *reg_offset,
+ uint32_t *reg_data)
+{
+ *reg_data = wait_times;
+
+ /*
+ * The CP cannont handle a 0 grace period input and will result in
+ * an infinite grace period being set so set to 1 to prevent this.
+ */
+ if (grace_period == 0)
+ grace_period = 1;
+
+ *reg_data = REG_SET_FIELD(*reg_data,
+ CP_IQ_WAIT_TIME2,
+ SCH_WAVE,
+ grace_period);
+
+ *reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2);
+}
+
static void program_trap_handler_settings(struct amdgpu_device *adev,
uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr)
{
@@ -845,5 +886,7 @@ const struct kfd2kgd_calls gfx_v10_kfd2kgd = {
.set_vm_context_page_table_base = set_vm_context_page_table_base,
.enable_debug_trap = kgd_gfx_v10_enable_debug_trap,
.disable_debug_trap = kgd_gfx_v10_disable_debug_trap,
+ .get_iq_wait_times = kgd_gfx_v10_get_iq_wait_times,
+ .build_grace_period_packet_info = kgd_gfx_v10_build_grace_period_packet_info,
.program_trap_handler_settings = program_trap_handler_settings,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.h
index 370d6c312981..0abc1e805180 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.h
@@ -26,3 +26,9 @@ uint32_t kgd_gfx_v10_enable_debug_trap(struct amdgpu_device *adev,
uint32_t kgd_gfx_v10_disable_debug_trap(struct amdgpu_device *adev,
bool keep_trap_enabled,
uint32_t vmid);
+void kgd_gfx_v10_get_iq_wait_times(struct amdgpu_device *adev, uint32_t *wait_times);
+void kgd_gfx_v10_build_grace_period_packet_info(struct amdgpu_device *adev,
+ uint32_t wait_times,
+ uint32_t grace_period,
+ uint32_t *reg_offset,
+ uint32_t *reg_data);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c
index 73e3b9ae1fb0..c57f2a6b6e23 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c
@@ -670,6 +670,8 @@ const struct kfd2kgd_calls gfx_v10_3_kfd2kgd = {
.get_atc_vmid_pasid_mapping_info = get_atc_vmid_pasid_mapping_info_v10_3,
.set_vm_context_page_table_base = set_vm_context_page_table_base_v10_3,
.program_trap_handler_settings = program_trap_handler_settings_v10_3,
+ .get_iq_wait_times = kgd_gfx_v10_get_iq_wait_times,
+ .build_grace_period_packet_info = kgd_gfx_v10_build_grace_period_packet_info,
.enable_debug_trap = kgd_gfx_v10_enable_debug_trap,
.disable_debug_trap = kgd_gfx_v10_disable_debug_trap
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
index e1aac6f6d369..673c99c5523d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -724,6 +724,24 @@ uint32_t kgd_gfx_v9_disable_debug_trap(struct amdgpu_device *adev,
return 0;
}
+/* kgd_gfx_v9_get_iq_wait_times: Returns the mmCP_IQ_WAIT_TIME1/2 values
+ * The values read are:
+ * ib_offload_wait_time -- Wait Count for Indirect Buffer Offloads.
+ * atomic_offload_wait_time -- Wait Count for L2 and GDS Atomics Offloads.
+ * wrm_offload_wait_time -- Wait Count for WAIT_REG_MEM Offloads.
+ * gws_wait_time -- Wait Count for Global Wave Syncs.
+ * que_sleep_wait_time -- Wait Count for Dequeue Retry.
+ * sch_wave_wait_time -- Wait Count for Scheduling Wave Message.
+ * sem_rearm_wait_time -- Wait Count for Semaphore re-arm.
+ * deq_retry_wait_time -- Wait Count for Global Wave Syncs.
+ */
+void kgd_gfx_v9_get_iq_wait_times(struct amdgpu_device *adev,
+ uint32_t *wait_times)
+
+{
+ *wait_times = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2));
+}
+
void kgd_gfx_v9_set_vm_context_page_table_base(struct amdgpu_device *adev,
uint32_t vmid, uint64_t page_table_base)
{
@@ -908,6 +926,29 @@ void kgd_gfx_v9_get_cu_occupancy(struct amdgpu_device *adev, int pasid,
adev->gfx.cu_info.max_waves_per_simd;
}
+void kgd_gfx_v9_build_grace_period_packet_info(struct amdgpu_device *adev,
+ uint32_t wait_times,
+ uint32_t grace_period,
+ uint32_t *reg_offset,
+ uint32_t *reg_data)
+{
+ *reg_data = wait_times;
+
+ /*
+ * The CP cannont handle a 0 grace period input and will result in
+ * an infinite grace period being set so set to 1 to prevent this.
+ */
+ if (grace_period == 0)
+ grace_period = 1;
+
+ *reg_data = REG_SET_FIELD(*reg_data,
+ CP_IQ_WAIT_TIME2,
+ SCH_WAVE,
+ grace_period);
+
+ *reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2);
+}
+
void kgd_gfx_v9_program_trap_handler_settings(struct amdgpu_device *adev,
uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr)
{
@@ -951,6 +992,8 @@ const struct kfd2kgd_calls gfx_v9_kfd2kgd = {
.set_vm_context_page_table_base = kgd_gfx_v9_set_vm_context_page_table_base,
.enable_debug_trap = kgd_gfx_v9_enable_debug_trap,
.disable_debug_trap = kgd_gfx_v9_disable_debug_trap,
+ .get_iq_wait_times = kgd_gfx_v9_get_iq_wait_times,
+ .build_grace_period_packet_info = kgd_gfx_v9_build_grace_period_packet_info,
.get_cu_occupancy = kgd_gfx_v9_get_cu_occupancy,
.program_trap_handler_settings = kgd_gfx_v9_program_trap_handler_settings,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
index d39256162616..c0866497cb5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
@@ -20,8 +20,6 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
-
-
void kgd_gfx_v9_program_sh_mem_settings(struct amdgpu_device *adev, uint32_t vmid,
uint32_t sh_mem_config,
uint32_t sh_mem_ape1_base, uint32_t sh_mem_ape1_limit,
@@ -51,7 +49,6 @@ int kgd_gfx_v9_wave_control_execute(struct amdgpu_device *adev,
uint32_t sq_cmd);
bool kgd_gfx_v9_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
uint8_t vmid, uint16_t *p_pasid);
-
void kgd_gfx_v9_set_vm_context_page_table_base(struct amdgpu_device *adev,
uint32_t vmid, uint64_t page_table_base);
void kgd_gfx_v9_get_cu_occupancy(struct amdgpu_device *adev, int pasid,
@@ -67,3 +64,9 @@ uint32_t kgd_gfx_v9_enable_debug_trap(struct amdgpu_device *adev,
uint32_t kgd_gfx_v9_disable_debug_trap(struct amdgpu_device *adev,
bool keep_trap_enabled,
uint32_t vmid);
+void kgd_gfx_v9_get_iq_wait_times(struct amdgpu_device *adev, uint32_t *wait_times);
+void kgd_gfx_v9_build_grace_period_packet_info(struct amdgpu_device *adev,
+ uint32_t wait_times,
+ uint32_t grace_period,
+ uint32_t *reg_offset,
+ uint32_t *reg_data);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index faa5d8c666ee..fbcf4ee07936 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -46,10 +46,13 @@ static int set_pasid_vmid_mapping(struct device_queue_manager *dqm,
static int execute_queues_cpsch(struct device_queue_manager *dqm,
enum kfd_unmap_queues_filter filter,
- uint32_t filter_param);
+ uint32_t filter_param,
+ uint32_t grace_period);
static int unmap_queues_cpsch(struct device_queue_manager *dqm,
enum kfd_unmap_queues_filter filter,
- uint32_t filter_param, bool reset);
+ uint32_t filter_param,
+ uint32_t grace_period,
+ bool reset);
static int map_queues_cpsch(struct device_queue_manager *dqm);
@@ -839,7 +842,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q,
if (dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) {
if (!dqm->dev->shared_resources.enable_mes)
retval = unmap_queues_cpsch(dqm,
- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false);
+ KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, USE_DEFAULT_GRACE_PERIOD, false);
else if (prev_active)
retval = remove_queue_mes(dqm, q, &pdd->qpd);
@@ -1015,7 +1018,8 @@ static int evict_process_queues_cpsch(struct device_queue_manager *dqm,
retval = execute_queues_cpsch(dqm,
qpd->is_debug ?
KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES :
- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
+ KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0,
+ USE_DEFAULT_GRACE_PERIOD);
out:
dqm_unlock(dqm);
@@ -1155,7 +1159,7 @@ static int restore_process_queues_cpsch(struct device_queue_manager *dqm,
}
if (!dqm->dev->shared_resources.enable_mes)
retval = execute_queues_cpsch(dqm,
- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
+ KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, USE_DEFAULT_GRACE_PERIOD);
qpd->evicted = 0;
eviction_duration = get_jiffies_64() - pdd->last_evict_timestamp;
atomic64_add(eviction_duration, &pdd->evict_duration_counter);
@@ -1492,6 +1496,9 @@ static int initialize_cpsch(struct device_queue_manager *dqm)
init_sdma_bitmaps(dqm);
+ if (dqm->dev->kfd2kgd->get_iq_wait_times)
+ dqm->dev->kfd2kgd->get_iq_wait_times(dqm->dev->adev,
+ &dqm->wait_times);
return 0;
}
@@ -1531,7 +1538,7 @@ static int start_cpsch(struct device_queue_manager *dqm)
dqm->is_resetting = false;
dqm->sched_running = true;
if (!dqm->dev->shared_resources.enable_mes)
- execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
+ execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, USE_DEFAULT_GRACE_PERIOD);
dqm_unlock(dqm);
return 0;
@@ -1556,7 +1563,7 @@ static int stop_cpsch(struct device_queue_manager *dqm)
if (!dqm->is_hws_hang) {
if (!dqm->dev->shared_resources.enable_mes)
- unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0, false);
+ unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0, USE_DEFAULT_GRACE_PERIOD, false);
else
remove_all_queues_mes(dqm);
}
@@ -1598,7 +1605,8 @@ static int create_kernel_queue_cpsch(struct device_queue_manager *dqm,
list_add(&kq->list, &qpd->priv_queue_list);
increment_queue_count(dqm, qpd, kq->queue);
qpd->is_debug = true;
- execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
+ execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0,
+ USE_DEFAULT_GRACE_PERIOD);
dqm_unlock(dqm);
return 0;
@@ -1612,7 +1620,8 @@ static void destroy_kernel_queue_cpsch(struct device_queue_manager *dqm,
list_del(&kq->list);
decrement_queue_count(dqm, qpd, kq->queue);
qpd->is_debug = false;
- execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0);
+ execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0,
+ USE_DEFAULT_GRACE_PERIOD);
/*
* Unconditionally decrement this counter, regardless of the queue's
* type.
@@ -1689,7 +1698,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
if (!dqm->dev->shared_resources.enable_mes)
retval = execute_queues_cpsch(dqm,
- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
+ KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, USE_DEFAULT_GRACE_PERIOD);
else
retval = add_queue_mes(dqm, q, qpd);
if (retval)
@@ -1778,7 +1787,9 @@ static int map_queues_cpsch(struct device_queue_manager *dqm)
/* dqm->lock mutex has to be locked before calling this function */
static int unmap_queues_cpsch(struct device_queue_manager *dqm,
enum kfd_unmap_queues_filter filter,
- uint32_t filter_param, bool reset)
+ uint32_t filter_param,
+ uint32_t grace_period,
+ bool reset)
{
int retval = 0;
struct mqd_manager *mqd_mgr;
@@ -1790,6 +1801,12 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
if (!dqm->active_runlist)
return retval;
+ if (grace_period != USE_DEFAULT_GRACE_PERIOD) {
+ retval = pm_update_grace_period(&dqm->packet_mgr, grace_period);
+ if (retval)
+ return retval;
+ }
+
retval = pm_send_unmap_queue(&dqm->packet_mgr, filter, filter_param, reset);
if (retval)
return retval;
@@ -1822,6 +1839,13 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
return -ETIME;
}
+ /* We need to reset the grace period value for this device */
+ if (grace_period != USE_DEFAULT_GRACE_PERIOD) {
+ if (pm_update_grace_period(&dqm->packet_mgr,
+ USE_DEFAULT_GRACE_PERIOD))
+ pr_err("Failed to reset grace period\n");
+ }
+
pm_release_ib(&dqm->packet_mgr);
dqm->active_runlist = false;
@@ -1837,7 +1861,7 @@ static int reset_queues_cpsch(struct device_queue_manager *dqm,
dqm_lock(dqm);
retval = unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_BY_PASID,
- pasid, true);
+ pasid, USE_DEFAULT_GRACE_PERIOD, true);
dqm_unlock(dqm);
return retval;
@@ -1846,13 +1870,14 @@ static int reset_queues_cpsch(struct device_queue_manager *dqm,
/* dqm->lock mutex has to be locked before calling this function */
static int execute_queues_cpsch(struct device_queue_manager *dqm,
enum kfd_unmap_queues_filter filter,
- uint32_t filter_param)
+ uint32_t filter_param,
+ uint32_t grace_period)
{
int retval;
if (dqm->is_hws_hang)
return -EIO;
- retval = unmap_queues_cpsch(dqm, filter, filter_param, false);
+ retval = unmap_queues_cpsch(dqm, filter, filter_param, grace_period, false);
if (retval)
return retval;
@@ -1910,7 +1935,8 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm,
if (!dqm->dev->shared_resources.enable_mes) {
decrement_queue_count(dqm, qpd, q);
retval = execute_queues_cpsch(dqm,
- KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
+ KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0,
+ USE_DEFAULT_GRACE_PERIOD);
if (retval == -ETIME)
qpd->reset_wavefronts = true;
} else {
@@ -2195,7 +2221,7 @@ static int process_termination_cpsch(struct device_queue_manager *dqm,
}
if (!dqm->dev->shared_resources.enable_mes)
- retval = execute_queues_cpsch(dqm, filter, 0);
+ retval = execute_queues_cpsch(dqm, filter, 0, USE_DEFAULT_GRACE_PERIOD);
if ((!dqm->is_hws_hang) && (retval || qpd->reset_wavefronts)) {
pr_warn("Resetting wave fronts (cpsch) on dev %p\n", dqm->dev);
@@ -2539,7 +2565,8 @@ int dqm_debugfs_hang_hws(struct device_queue_manager *dqm)
return r;
}
dqm->active_runlist = true;
- r = execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0);
+ r = execute_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES,
+ 0, USE_DEFAULT_GRACE_PERIOD);
dqm_unlock(dqm);
return r;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index a537b9ef3e16..fb48b124161f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -37,6 +37,7 @@
#define KFD_MES_PROCESS_QUANTUM 100000
#define KFD_MES_GANG_QUANTUM 10000
+#define USE_DEFAULT_GRACE_PERIOD 0xffffffff
struct device_process_node {
struct qcm_process_device *qpd;
@@ -256,6 +257,7 @@ struct device_queue_manager {
struct work_struct hw_exception_work;
struct kfd_mem_obj hiq_sdma_mqd;
bool sched_running;
+ uint32_t wait_times;
};
void device_queue_manager_init_cik(
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index ed02b6d8bf63..c57f9a46dfcc 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -369,6 +369,38 @@ int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address,
return retval;
}
+int pm_update_grace_period(struct packet_manager *pm, uint32_t grace_period)
+{
+ int retval = 0;
+ uint32_t *buffer, size;
+
+ size = pm->pmf->set_grace_period_size;
+
+ mutex_lock(&pm->lock);
+
+ if (size) {
+ kq_acquire_packet_buffer(pm->priv_queue,
+ size / sizeof(uint32_t),
+ (unsigned int **)&buffer);
+
+ if (!buffer) {
+ pr_err("Failed to allocate buffer on kernel queue\n");
+ retval = -ENOMEM;
+ goto out;
+ }
+
+ retval = pm->pmf->set_grace_period(pm, buffer, grace_period);
+ if (!retval)
+ kq_submit_packet(pm->priv_queue);
+ else
+ kq_rollback_packet(pm->priv_queue);
+ }
+
+out:
+ mutex_unlock(&pm->lock);
+ return retval;
+}
+
int pm_send_unmap_queue(struct packet_manager *pm,
enum kfd_unmap_queues_filter filter,
uint32_t filter_param, bool reset)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
index 18250845a989..f0cdc8695b8c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
@@ -251,6 +251,41 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
return 0;
}
+static int pm_set_grace_period_v9(struct packet_manager *pm,
+ uint32_t *buffer,
+ uint32_t grace_period)
+{
+ struct pm4_mec_write_data_mmio *packet;
+ uint32_t reg_offset = 0;
+ uint32_t reg_data = 0;
+
+ pm->dqm->dev->kfd2kgd->build_grace_period_packet_info(
+ pm->dqm->dev->adev,
+ pm->dqm->wait_times,
+ grace_period,
+ ®_offset,
+ ®_data);
+
+ if (grace_period == USE_DEFAULT_GRACE_PERIOD)
+ reg_data = pm->dqm->wait_times;
+
+ packet = (struct pm4_mec_write_data_mmio *)buffer;
+ memset(buffer, 0, sizeof(struct pm4_mec_write_data_mmio));
+
+ packet->header.u32All = pm_build_pm4_header(IT_WRITE_DATA,
+ sizeof(struct pm4_mec_write_data_mmio));
+
+ packet->bitfields2.dst_sel = dst_sel___write_data__mem_mapped_register;
+ packet->bitfields2.addr_incr =
+ addr_incr___write_data__do_not_increment_address;
+
+ packet->bitfields3.dst_mmreg_addr = reg_offset;
+
+ packet->data = reg_data;
+
+ return 0;
+}
+
static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer,
enum kfd_unmap_queues_filter filter,
uint32_t filter_param, bool reset)
@@ -333,6 +368,7 @@ const struct packet_manager_funcs kfd_v9_pm_funcs = {
.set_resources = pm_set_resources_v9,
.map_queues = pm_map_queues_v9,
.unmap_queues = pm_unmap_queues_v9,
+ .set_grace_period = pm_set_grace_period_v9,
.query_status = pm_query_status_v9,
.release_mem = NULL,
.map_process_size = sizeof(struct pm4_mes_map_process),
@@ -340,6 +376,7 @@ const struct packet_manager_funcs kfd_v9_pm_funcs = {
.set_resources_size = sizeof(struct pm4_mes_set_resources),
.map_queues_size = sizeof(struct pm4_mes_map_queues),
.unmap_queues_size = sizeof(struct pm4_mes_unmap_queues),
+ .set_grace_period_size = sizeof(struct pm4_mec_write_data_mmio),
.query_status_size = sizeof(struct pm4_mes_query_status),
.release_mem_size = 0,
};
@@ -350,6 +387,7 @@ const struct packet_manager_funcs kfd_aldebaran_pm_funcs = {
.set_resources = pm_set_resources_v9,
.map_queues = pm_map_queues_v9,
.unmap_queues = pm_unmap_queues_v9,
+ .set_grace_period = pm_set_grace_period_v9,
.query_status = pm_query_status_v9,
.release_mem = NULL,
.map_process_size = sizeof(struct pm4_mes_map_process_aldebaran),
@@ -357,6 +395,7 @@ const struct packet_manager_funcs kfd_aldebaran_pm_funcs = {
.set_resources_size = sizeof(struct pm4_mes_set_resources),
.map_queues_size = sizeof(struct pm4_mes_map_queues),
.unmap_queues_size = sizeof(struct pm4_mes_unmap_queues),
+ .set_grace_period_size = sizeof(struct pm4_mec_write_data_mmio),
.query_status_size = sizeof(struct pm4_mes_query_status),
.release_mem_size = 0,
};
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h
index a666710ed403..795001c947e1 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h
@@ -583,6 +583,71 @@ struct pm4_mec_release_mem {
#endif
+#ifndef PM4_MEC_WRITE_DATA_DEFINED
+#define PM4_MEC_WRITE_DATA_DEFINED
+
+enum WRITE_DATA_dst_sel_enum {
+ dst_sel___write_data__mem_mapped_register = 0,
+ dst_sel___write_data__tc_l2 = 2,
+ dst_sel___write_data__gds = 3,
+ dst_sel___write_data__memory = 5,
+ dst_sel___write_data__memory_mapped_adc_persistent_state = 6,
+};
+
+enum WRITE_DATA_addr_incr_enum {
+ addr_incr___write_data__increment_address = 0,
+ addr_incr___write_data__do_not_increment_address = 1
+};
+
+enum WRITE_DATA_wr_confirm_enum {
+ wr_confirm___write_data__do_not_wait_for_write_confirmation = 0,
+ wr_confirm___write_data__wait_for_write_confirmation = 1
+};
+
+enum WRITE_DATA_cache_policy_enum {
+ cache_policy___write_data__lru = 0,
+ cache_policy___write_data__stream = 1
+};
+
+
+struct pm4_mec_write_data_mmio {
+ union {
+ union PM4_MES_TYPE_3_HEADER header; /*header */
+ unsigned int ordinal1;
+ };
+
+ union {
+ struct {
+ unsigned int reserved1:8;
+ unsigned int dst_sel:4;
+ unsigned int reserved2:4;
+ unsigned int addr_incr:1;
+ unsigned int reserved3:2;
+ unsigned int resume_vf:1;
+ unsigned int wr_confirm:1;
+ unsigned int reserved4:4;
+ unsigned int cache_policy:2;
+ unsigned int reserved5:5;
+ } bitfields2;
+ unsigned int ordinal2;
+ };
+
+ union {
+ struct {
+ unsigned int dst_mmreg_addr:18;
+ unsigned int reserved6:14;
+ } bitfields3;
+ unsigned int ordinal3;
+ };
+
+ uint32_t reserved7;
+
+ uint32_t data;
+
+};
+
+#endif
+
enum {
CACHE_FLUSH_AND_INV_TS_EVENT = 0x00000014
};
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 3ea61fa1db52..a851f814bc9d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1300,6 +1300,8 @@ struct packet_manager_funcs {
int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer,
enum kfd_unmap_queues_filter mode,
uint32_t filter_param, bool reset);
+ int (*set_grace_period)(struct packet_manager *pm, uint32_t *buffer,
+ uint32_t grace_period);
int (*query_status)(struct packet_manager *pm, uint32_t *buffer,
uint64_t fence_address, uint64_t fence_value);
int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer);
@@ -1310,6 +1312,7 @@ struct packet_manager_funcs {
int set_resources_size;
int map_queues_size;
int unmap_queues_size;
+ int set_grace_period_size;
int query_status_size;
int release_mem_size;
};
@@ -1332,6 +1335,8 @@ int pm_send_unmap_queue(struct packet_manager *pm,
void pm_release_ib(struct packet_manager *pm);
+int pm_update_grace_period(struct packet_manager *pm, uint32_t grace_period);
+
/* Following PM funcs can be shared among VI and AI */
unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size);
