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msm: vidc: add check to ensure buffer size is 4K aligned

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Input and output buffer size must be 4K aligned for both
encoder and decoder session. So reject the session during
msm_vidc_qbuf, if alloc_len is not 4K aligned.

Change-Id: If555f26f1658ce50e12a8533cb9d59134da0aa81
Signed-off-by: Govindaraj Rajagopal <grajagop@codeaurora.org>
This commit is contained in:
Govindaraj Rajagopal 2019-07-31 20:17:08 +05:30
parent e047e8e387
commit a6e8541864
1 changed files with 6 additions and 0 deletions
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6
msm/vidc/msm_vidc.c
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@ -340,6 +340,12 @@ int msm_vidc_qbuf(void *instance, struct v4l2_buffer *b)
return -EINVAL;
}
if (!IS_ALIGNED(b->m.planes[0].length, SZ_4K)) {
dprintk(VIDC_ERR, "qbuf: %x: buffer size not 4K aligned - %u\n",
hash32_ptr(inst->session), b->m.planes[0].length);
return -EINVAL;
}
if (inst->in_flush && is_decode_session(inst) &&
b->type == OUTPUT_MPLANE) {
dprintk(VIDC_ERR, "%s: in flush, discarding qbuf\n", __func__);