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drm/i915/gt: Pass the -EINVAL when emit_pte doesn't update any PTE

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When emit_pte doesn't update any PTE with return value as 0, interpret
it as -EINVAL.

v2:
  Add missing goto [Thomas]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220405150840.29351-5-ramalingam.c@intel.com
This commit is contained in:
Ramalingam C
2022-04-05 20:38:35 +05:30
parent 6e6bc8c0a8
commit 310bf25df2
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/gt/intel_migrate.c
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@@ -577,7 +577,11 @@ intel_context_migrate_copy(struct intel_context *ce,
len = emit_pte(rq, &it_src, src_cache_level, src_is_lmem,
src_offset, CHUNK_SZ);
if (len <= 0) {
if (!len) {
err = -EINVAL;
goto out_rq;
}
if (len < 0) {
err = len;
goto out_rq;
}