/*
* snapshot_freeze_obj_list() - Take a list of ib objects and freeze their
* memory for snapshot
* @device: Device being snapshotted
* @ptbase: The pagetable base of the process to which IB belongs
* @ib_obj_list: List of the IB objects
*
* Returns 0 on success else error code
*/
static int snapshot_freeze_obj_list(struct kgsl_device *device,
phys_addr_t ptbase, struct adreno_ib_object_list *ib_obj_list)
{
int ret = 0;
struct adreno_ib_object *ib_objs;
unsigned int ib2base;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
int i;
adreno_readreg(adreno_dev, ADRENO_REG_CP_IB2_BASE, &ib2base);
for (i = 0; i < ib_obj_list->num_objs; i++) {
int temp_ret;
int index;
int freeze = 1;
ib_objs = &(ib_obj_list->obj_list[i]);
/* Make sure this object is not going to be saved statically */
for (index = 0; index < objbufptr; index++) {
if ((objbuf[index].gpuaddr <= ib_objs->gpuaddr) &&
((objbuf[index].gpuaddr +
(objbuf[index].dwords << 2)) >=
(ib_objs->gpuaddr + ib_objs->size)) &&
(objbuf[index].ptbase == ptbase)) {
freeze = 0;
break;
}
}
if (freeze) {
/* Save current IB2 statically */
if (ib2base == ib_objs->gpuaddr) {
push_object(device, SNAPSHOT_OBJ_TYPE_IB,
ptbase, ib_objs->gpuaddr, ib_objs->size >> 2);
} else {
temp_ret = kgsl_snapshot_get_object(device,
ptbase, ib_objs->gpuaddr, ib_objs->size,
ib_objs->snapshot_obj_type);
if (temp_ret < 0) {
if (ret >= 0)
ret = temp_ret;
} else {
snapshot_frozen_objsize += temp_ret;
}
}
}
/*
* snapshot_freeze_obj_list() - Take a list of ib objects and freeze their
* memory for snapshot
* @snapshot: The snapshot data.
* @process: The process to which the IB belongs
* @ib_obj_list: List of the IB objects
* @ib2base: IB2 base address at time of the fault
*
* Returns 0 on success else error code
*/
static int snapshot_freeze_obj_list(struct kgsl_snapshot *snapshot,
struct kgsl_process_private *process,
struct adreno_ib_object_list *ib_obj_list,
uint64_t ib2base)
{
int ret = 0;
struct adreno_ib_object *ib_objs;
int i;
for (i = 0; i < ib_obj_list->num_objs; i++) {
int temp_ret;
int index;
int freeze = 1;
ib_objs = &(ib_obj_list->obj_list[i]);
/* Make sure this object is not going to be saved statically */
for (index = 0; index < objbufptr; index++) {
if ((objbuf[index].gpuaddr <= ib_objs->gpuaddr) &&
((objbuf[index].gpuaddr +
(objbuf[index].size)) >=
(ib_objs->gpuaddr + ib_objs->size)) &&
(objbuf[index].entry->priv == process)) {
freeze = 0;
break;
}
}
if (freeze) {
/* Save current IB2 statically */
if (ib2base == ib_objs->gpuaddr) {
push_object(SNAPSHOT_OBJ_TYPE_IB,
process, ib_objs->gpuaddr, ib_objs->size >> 2);
} else {
temp_ret = kgsl_snapshot_get_object(snapshot,
process, ib_objs->gpuaddr,
ib_objs->size,
ib_objs->snapshot_obj_type);
if (temp_ret < 0) {
if (ret >= 0)
ret = temp_ret;
} else {
snapshot_frozen_objsize += temp_ret;
}
}
}
