samsung-sm8650/android_kernel_samsung_sm8650-modules
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msm: eva: Add SSR counter

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Support configurable number of SSR tolerance before calling
BUG_ON in SMMU fault scenario.

Change-Id: I19dabbeaa1cf5be86f42a6ace62ef5da12743e79
Signed-off-by: George Shen <sqiao@codeaurora.org>
This commit is contained in:
George Shen
2021-07-21 17:30:08 -07:00
parent 30223d90a7
commit 72eb20af3d
10 changed files with 256 additions and 66 deletions
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63
msm/eva/msm_cvp_buf.c
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@@ -74,6 +74,51 @@ void print_cvp_buffer(u32 tag, const char *str, struct msm_cvp_inst *inst,
cbuf->smem->device_addr, cbuf->size);
}
static void _log_smem(struct inst_snapshot *snapshot, struct msm_cvp_inst *inst,
struct msm_cvp_smem *smem, bool logging)
{
print_smem(CVP_ERR, "bufdump", inst, smem);
if (!logging || !snapshot)
return;
if (snapshot && snapshot->smem_index < MAX_ENTRIES) {
struct smem_data *s;
s = &snapshot->smem_log[snapshot->smem_index];
snapshot->smem_index++;
s->size = smem->size;
s->flags = smem->flags;
s->device_addr = smem->device_addr;
s->bitmap_index = smem->bitmap_index;
s->refcount = atomic_read(&smem->refcount);
}
}
static void _log_buf(struct inst_snapshot *snapshot, enum smem_prop prop,
struct msm_cvp_inst *inst, struct cvp_internal_buf *cbuf,
bool logging)
{
struct cvp_buf_data *buf = NULL;
u32 index;
print_cvp_buffer(CVP_ERR, "bufdump", inst, cbuf);
if (!logging)
return;
if (snapshot) {
if (prop == SMEM_ADSP && snapshot->dsp_index < MAX_ENTRIES) {
index = snapshot->dsp_index;
buf = &snapshot->dsp_buf_log[index];
snapshot->dsp_index++;
} else if (prop == SMEM_PERSIST &&
snapshot->persist_index < MAX_ENTRIES) {
index = snapshot->persist_index;
buf = &snapshot->persist_buf_log[index];
snapshot->persist_index++;
}
if (buf) {
buf->device_addr = cbuf->smem->device_addr;
buf->size = cbuf->size;
}
}
}
void print_client_buffer(u32 tag, const char *str,
struct msm_cvp_inst *inst, struct eva_kmd_buffer *cbuf)
{
@@ -863,11 +908,20 @@ int msm_cvp_session_deinit_buffers(struct msm_cvp_inst *inst)
return rc;
}
void msm_cvp_print_inst_bufs(struct msm_cvp_inst *inst)
void msm_cvp_print_inst_bufs(struct msm_cvp_inst *inst, bool log)
{
struct cvp_internal_buf *buf;
struct msm_cvp_core *core;
struct inst_snapshot *snap = NULL;
int i;
core = list_first_entry(&cvp_driver->cores, struct msm_cvp_core, list);
if (log && core->log.snapshot_index < 16) {
snap = &core->log.snapshot[core->log.snapshot_index];
snap->session = inst->session;
core->log.snapshot_index++;
}
if (!inst) {
dprintk(CVP_ERR, "%s - invalid param %pK\n",
__func__, inst);
@@ -882,20 +936,19 @@ void msm_cvp_print_inst_bufs(struct msm_cvp_inst *inst)
dprintk(CVP_ERR, "dma cache:\n");
if (inst->dma_cache.nr <= MAX_DMABUF_NUMS)
for (i = 0; i < inst->dma_cache.nr; i++)
print_smem(CVP_ERR, "bufdump", inst,
inst->dma_cache.entries[i]);
_log_smem(snap, inst, inst->dma_cache.entries[i], log);
mutex_unlock(&inst->dma_cache.lock);
mutex_lock(&inst->cvpdspbufs.lock);
dprintk(CVP_ERR, "dsp buffer list:\n");
list_for_each_entry(buf, &inst->cvpdspbufs.list, list)
print_cvp_buffer(CVP_ERR, "bufdump", inst, buf);
_log_buf(snap, SMEM_ADSP, inst, buf, log);
mutex_unlock(&inst->cvpdspbufs.lock);
mutex_lock(&inst->persistbufs.lock);
dprintk(CVP_ERR, "persist buffer list:\n");
list_for_each_entry(buf, &inst->persistbufs.list, list)
print_cvp_buffer(CVP_ERR, "bufdump", inst, buf);
_log_buf(snap, SMEM_PERSIST, inst, buf, log);
mutex_unlock(&inst->persistbufs.lock);
}