This patch initialized key variables and removed unused ones.
Signed-off-by: Andrew Martin <Andrew.Martin@xxxxxxx>
---
.../gpu/drm/amd/amdkfd/cik_event_interrupt.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 24 +++++------
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 2 +-
.../drm/amd/amdkfd/kfd_device_queue_manager.c | 42 ++++++++-----------
.../gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 8 ++--
.../drm/amd/amdkfd/kfd_packet_manager_vi.c | 1 -
drivers/gpu/drm/amd/amdkfd/kfd_process.c | 14 +++----
.../amd/amdkfd/kfd_process_queue_manager.c | 6 +--
8 files changed, 43 insertions(+), 56 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
index 795382b55e0a..9767f6483871 100644
--- a/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
+++ b/drivers/gpu/drm/amd/amdkfd/cik_event_interrupt.c
@@ -35,7 +35,7 @@ static bool cik_event_interrupt_isr(struct kfd_node *dev,
(const struct cik_ih_ring_entry *)ih_ring_entry;
const struct kfd2kgd_calls *f2g = dev->kfd2kgd;
unsigned int vmid;
- uint16_t pasid;
+ uint16_t pasid = 0;
bool ret;
/* This workaround is due to HW/FW limitation on Hawaii that
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 065d87841459..306ea5a8a747 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -923,7 +923,7 @@ static int kfd_ioctl_get_tile_config(struct file *filep,
{
struct kfd_ioctl_get_tile_config_args *args = data;
struct kfd_process_device *pdd;
- struct tile_config config;
+ struct tile_config config = {0};
int err = 0;
mutex_lock(&p->mutex);
@@ -1042,7 +1042,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
{
struct kfd_ioctl_alloc_memory_of_gpu_args *args = data;
struct kfd_process_device *pdd;
- void *mem;
+ void *mem = NULL;
struct kfd_node *dev;
int idr_handle;
long err;
@@ -1496,12 +1496,12 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep,
{
struct kfd_ioctl_get_dmabuf_info_args *args = data;
struct kfd_node *dev = NULL;
- struct amdgpu_device *dmabuf_adev;
+ struct amdgpu_device *dmabuf_adev = NULL;
void *metadata_buffer = NULL;
- uint32_t flags;
- int8_t xcp_id;
+ uint32_t flags = 0;
+ int8_t xcp_id = 0;
unsigned int i;
- int r;
+ int r = 0;
/* Find a KFD GPU device that supports the get_dmabuf_info query */
for (i = 0; kfd_topology_enum_kfd_devices(i, &dev) == 0; i++)
@@ -1551,7 +1551,7 @@ static int kfd_ioctl_import_dmabuf(struct file *filep,
struct kfd_process_device *pdd;
int idr_handle;
uint64_t size;
- void *mem;
+ void *mem = NULL;
int r;
mutex_lock(&p->mutex);
@@ -1837,10 +1837,8 @@ static int criu_get_prime_handle(struct kgd_mem *mem,
int flags, u32 *shared_fd,
struct file **file)
{
- struct dma_buf *dmabuf;
- int ret;
-
- ret = amdgpu_amdkfd_gpuvm_export_dmabuf(mem, &dmabuf);
+ struct dma_buf *dmabuf = NULL;
+ int ret = amdgpu_amdkfd_gpuvm_export_dmabuf(mem, &dmabuf);
if (ret) {
pr_err("dmabuf export failed for the BO\n");
return ret;
@@ -2291,7 +2289,7 @@ static int criu_restore_memory_of_gpu(struct kfd_process_device *pdd,
int idr_handle;
int ret;
const bool criu_resume = true;
- u64 offset;
+ u64 offset = 0;
if (bo_bucket->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL) {
if (bo_bucket->size !=
@@ -2358,7 +2356,7 @@ static int criu_restore_bo(struct kfd_process *p,
struct file **file)
{
struct kfd_process_device *pdd;
- struct kgd_mem *kgd_mem;
+ struct kgd_mem *kgd_mem = NULL;
int ret;
int j;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index a29374c86405..5af5b9baa894 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -1038,7 +1038,7 @@ void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
{
- int ret, i;
+ int ret = 0, i;
if (!kfd->init_complete)
return 0;
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 1405e8affd48..d4a346ac1167 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -199,7 +199,7 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
struct amdgpu_device *adev = (struct amdgpu_device *)dqm->dev->adev;
struct kfd_process_device *pdd = qpd_to_pdd(qpd);
struct mes_add_queue_input queue_input;
- int r, queue_type;
+ int r = 0, queue_type;
uint64_t wptr_addr_off;
if (!dqm->sched_running || dqm->sched_halt)
@@ -284,7 +284,7 @@ static int remove_queue_mes(struct device_queue_manager *dqm, struct queue *q,
struct qcm_process_device *qpd)
{
struct amdgpu_device *adev = (struct amdgpu_device *)dqm->dev->adev;
- int r;
+ int r = 0;
struct mes_remove_queue_input queue_input;
if (!dqm->sched_running || dqm->sched_halt)
@@ -634,7 +634,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
const void *restore_mqd, const void *restore_ctl_stack)
{
struct mqd_manager *mqd_mgr;
- int retval;
+ int retval = 0;
dqm_lock(dqm);
@@ -795,7 +795,7 @@ static int dbgdev_wave_reset_wavefronts(struct kfd_node *dev, struct kfd_process
{
int status = 0;
unsigned int vmid;
- uint16_t queried_pasid;
+ uint16_t queried_pasid = 0;
union SQ_CMD_BITS reg_sq_cmd;
union GRBM_GFX_INDEX_BITS reg_gfx_index;
struct kfd_process_device *pdd;
@@ -862,11 +862,9 @@ static int destroy_queue_nocpsch_locked(struct device_queue_manager *dqm,
struct qcm_process_device *qpd,
struct queue *q)
{
- int retval;
- struct mqd_manager *mqd_mgr;
-
- mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
- q->properties.type)];
+ int retval = 0;
+ struct mqd_manager *mqd_mgr =
+ dqm->mqd_mgrs[get_mqd_type_from_queue_type(q->properties.type)];
if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE)
deallocate_hqd(dqm, q);
@@ -921,7 +919,7 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm,
struct qcm_process_device *qpd,
struct queue *q)
{
- int retval;
+ int retval = 0;
uint64_t sdma_val = 0;
struct device *dev = dqm->dev->adev->dev;
struct kfd_process_device *pdd = qpd_to_pdd(qpd);
@@ -1150,7 +1148,7 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
struct queue *q;
struct mqd_manager *mqd_mgr;
struct kfd_process_device *pdd;
- int retval, ret = 0;
+ int retval = 0, ret = 0;
dqm_lock(dqm);
if (qpd->evicted++ > 0) /* already evicted, do nothing */
@@ -1260,7 +1258,7 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
struct kfd_process_device *pdd;
uint64_t pd_base;
uint64_t eviction_duration;
- int retval, ret = 0;
+ int retval = 0, ret = 0;
pdd = qpd_to_pdd(qpd);
/* Retrieve PD base */
@@ -1437,13 +1435,12 @@ static int register_process(struct device_queue_manager *dqm,
static int unregister_process(struct device_queue_manager *dqm,
struct qcm_process_device *qpd)
{
- int retval;
+ int retval = 0;
struct device_process_node *cur, *next;
pr_debug("qpd->queues_list is %s\n",
list_empty(&qpd->queues_list) ? "empty" : "not empty");
- retval = 0;
dqm_lock(dqm);
list_for_each_entry_safe(cur, next, &dqm->queues, list) {
@@ -1473,7 +1470,7 @@ set_pasid_vmid_mapping(struct device_queue_manager *dqm, u32 pasid,
unsigned int vmid)
{
uint32_t xcc_mask = dqm->dev->xcc_mask;
- int xcc_id, ret;
+ int xcc_id, ret = 0;
for_each_inst(xcc_id, xcc_mask) {
ret = dqm->dev->kfd2kgd->set_pasid_vmid_mapping(
@@ -1827,8 +1824,6 @@ static int start_cpsch(struct device_queue_manager *dqm)
struct device *dev = dqm->dev->adev->dev;
int retval, num_hw_queue_slots;
- retval = 0;
-
dqm_lock(dqm);
if (!dqm->dev->kfd->shared_resources.enable_mes) {
@@ -1988,7 +1983,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
const struct kfd_criu_queue_priv_data *qd,
const void *restore_mqd, const void *restore_ctl_stack)
{
- int retval;
+ int retval = 0;
struct mqd_manager *mqd_mgr;
if (dqm->total_queue_count >= max_num_of_queues_per_device) {
@@ -2282,8 +2277,8 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
bool reset)
{
struct device *dev = dqm->dev->adev->dev;
- struct mqd_manager *mqd_mgr;
- int retval;
+ struct mqd_manager *mqd_mgr = NULL;
+ int retval = 0;
if (!dqm->sched_running)
return 0;
@@ -2705,7 +2700,7 @@ static int checkpoint_mqd(struct device_queue_manager *dqm,
static int process_termination_cpsch(struct device_queue_manager *dqm,
struct qcm_process_device *qpd)
{
- int retval;
+ int retval = 0;
struct queue *q;
struct device *dev = dqm->dev->adev->dev;
struct kernel_queue *kq, *kq_next;
@@ -2715,8 +2710,6 @@ static int process_termination_cpsch(struct device_queue_manager *dqm,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES;
bool found = false;
- retval = 0;
-
dqm_lock(dqm);
/* Clean all kernel queues */
@@ -3439,7 +3432,6 @@ int suspend_queues(struct kfd_process *p,
else
per_device_suspended++;
} else if (err != -EBUSY) {
- r = err;
queue_ids[q_idx] |= KFD_DBG_QUEUE_ERROR_MASK;
break;
}
@@ -3647,7 +3639,7 @@ int dqm_debugfs_hqds(struct seq_file *m, void *data)
{
struct device_queue_manager *dqm = data;
uint32_t xcc_mask = dqm->dev->xcc_mask;
- uint32_t (*dump)[2], n_regs;
+ uint32_t (*dump)[2] = {}, n_regs = 0;
int pipe, queue;
int r = 0, xcc_id;
uint32_t sdma_engine_start;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index ff417d5361c4..55fc98358999 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -571,7 +571,7 @@ static int hiq_load_mqd_kiq_v9_4_3(struct mqd_manager *mm, void *mqd,
struct queue_properties *p, struct mm_struct *mms)
{
uint32_t xcc_mask = mm->dev->xcc_mask;
- int xcc_id, err, inst = 0;
+ int xcc_id, err = 0, inst = 0;
void *xcc_mqd;
uint64_t hiq_mqd_size = kfd_hiq_mqd_stride(mm->dev);
@@ -595,7 +595,7 @@ static int destroy_hiq_mqd_v9_4_3(struct mqd_manager *mm, void *mqd,
uint32_t pipe_id, uint32_t queue_id)
{
uint32_t xcc_mask = mm->dev->xcc_mask;
- int xcc_id, err, inst = 0;
+ int xcc_id, err = 0, inst = 0;
uint64_t hiq_mqd_size = kfd_hiq_mqd_stride(mm->dev);
struct v9_mqd *m;
u32 doorbell_off;
@@ -751,7 +751,7 @@ static int destroy_mqd_v9_4_3(struct mqd_manager *mm, void *mqd,
uint32_t pipe_id, uint32_t queue_id)
{
uint32_t xcc_mask = mm->dev->xcc_mask;
- int xcc_id, err, inst = 0;
+ int xcc_id, err = 0, inst = 0;
void *xcc_mqd;
struct v9_mqd *m;
uint64_t mqd_offset;
@@ -781,7 +781,7 @@ static int load_mqd_v9_4_3(struct mqd_manager *mm, void *mqd,
/* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */
uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
uint32_t xcc_mask = mm->dev->xcc_mask;
- int xcc_id, err, inst = 0;
+ int xcc_id, err = 0, inst = 0;
void *xcc_mqd;
uint64_t mqd_stride_size = mm->mqd_stride(mm, p);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c
index c1199d06d131..cf803aed5069 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c
@@ -173,7 +173,6 @@ static int pm_map_queues_vi(struct packet_manager *pm, uint32_t *buffer,
case KFD_QUEUE_TYPE_SDMA_XGMI:
packet->bitfields2.engine_sel = q->properties.sdma_engine_id +
engine_sel__mes_map_queues__sdma0_vi;
- use_static = false; /* no static queues under SDMA */
break;
default:
WARN(1, "queue type %d", q->properties.type);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 083f83c94531..a6188c06c7a1 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -272,7 +272,7 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer)
struct kfd_process_device *pdd = NULL;
int i;
struct kfd_cu_occupancy *cu_occupancy;
- u32 queue_format;
+ u32 queue_format = 0;
pdd = container_of(attr, struct kfd_process_device, attr_cu_occupancy);
dev = pdd->dev;
@@ -743,9 +743,7 @@ static int kfd_process_alloc_gpuvm(struct kfd_process_device *pdd,
uint32_t flags, struct kgd_mem **mem, void **kptr)
{
struct kfd_node *kdev = pdd->dev;
- int err;
-
- err = amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(kdev->adev, gpu_va, size,
+ int err = amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(kdev->adev, gpu_va, size,
pdd->drm_priv, mem, NULL,
flags, false);
if (err)
@@ -798,8 +796,8 @@ static int kfd_process_device_reserve_ib_mem(struct kfd_process_device *pdd)
KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE |
KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE |
KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE;
- struct kgd_mem *mem;
- void *kaddr;
+ struct kgd_mem *mem = NULL;
+ void *kaddr = NULL;
int ret;
if (qpd->ib_kaddr || !qpd->ib_base)
@@ -1369,8 +1367,8 @@ static int kfd_process_device_init_cwsr_dgpu(struct kfd_process_device *pdd)
uint32_t flags = KFD_IOC_ALLOC_MEM_FLAGS_GTT
| KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE
| KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE;
- struct kgd_mem *mem;
- void *kaddr;
+ struct kgd_mem *mem = NULL;
+ void *kaddr = NULL;
int ret;
if (!dev->kfd->cwsr_enabled || qpd->cwsr_kaddr || !qpd->cwsr_base)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 9df56f8e09f9..06fbb107f303 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -769,7 +769,7 @@ int kfd_process_get_queue_info(struct kfd_process *p,
if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE ||
q->properties.type == KFD_QUEUE_TYPE_SDMA ||
q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) {
- uint32_t mqd_size, ctl_stack_size;
+ uint32_t mqd_size = 0, ctl_stack_size = 0;
*num_queues = *num_queues + 1;
@@ -872,8 +872,8 @@ static int criu_checkpoint_queues_device(struct kfd_process_device *pdd,
list_for_each_entry(q, &pdd->qpd.queues_list, list) {
struct kfd_criu_queue_priv_data *q_data;
uint64_t q_data_size;
- uint32_t mqd_size;
- uint32_t ctl_stack_size;
+ uint32_t mqd_size = 0;
+ uint32_t ctl_stack_size = 0;
if (q->properties.type != KFD_QUEUE_TYPE_COMPUTE &&
q->properties.type != KFD_QUEUE_TYPE_SDMA &&
--
2.43.0
