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msm: ipa3: add fix on ddr hdr tbl free-list

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Add the fix to check the ddr hdr tbl free-list
first before allocating new entries.

Change-Id: I21882bcc6f06ae5fc4ae622e38d7910df59052bf
This commit is contained in:
Skylar Chang
2022-01-19 10:09:47 -08:00
parent a42d0c6c84
commit 31cd6bfe77
1 changed files with 16 additions and 5 deletions
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19
drivers/platform/msm/ipa/ipa_v3/ipa_hdr.c
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@@ -616,11 +616,20 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr, bool user,
mem_size = IPA_MEM_PART(apps_hdr_size_ddr);
entry->is_lcl = false;
} else {
/* if the entry is intended to be in DDR,
and there is no space -> error */
IPAERR("No space in DDR header buffer! Requested: %d Left: %d\n",
ipa_hdr_bin_sz[bin], mem_size - htbl->end);
/* check if DDR free list */
if (list_empty(&htbl->head_free_offset_list[bin])) {
IPAERR("No space in DDR header buffer! Requested: %d Left: %d name %s, end %d\n",
ipa_hdr_bin_sz[bin], mem_size - htbl->end, entry->name, htbl->end);
goto bad_hdr_len;
} else {
/* get the first free slot */
offset = list_first_entry(&htbl->head_free_offset_list[bin],
struct ipa_hdr_offset_entry, link);
list_move(&offset->link, &htbl->head_offset_list[bin]);
entry->offset_entry = offset;
offset->ipacm_installed = user;
goto free_list;
}
}
}
offset = kmem_cache_zalloc(ipa3_ctx->hdr_offset_cache,
@@ -650,6 +659,8 @@ static int __ipa_add_hdr(struct ipa_hdr_add *hdr, bool user,
offset->ipacm_installed = user;
}
free_list:
list_add(&entry->link, &htbl->head_hdr_entry_list);
htbl->hdr_cnt++;
IPADBG("add hdr of sz=%d hdr_cnt=%d ofst=%d to %s table\n",