dsp: support ION memory allocation from audio heap
* Add support to allocate memory from the ION audio heap once smmu enabled. Change-Id: Ic1686c7a3225b723811cbbd35f08d0ac123d1f78 Signed-off-by: Viraja Kommaraju <virajak@codeaurora.org>
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@@ -562,12 +562,18 @@ int msm_audio_ion_alloc(struct dma_buf **dma_buf, size_t bufsz,
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pr_err("%s: Invalid params\n", __func__);
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return -EINVAL;
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}
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pr_debug("%s: audio heap is used\n", __func__);
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if (msm_audio_ion_data.smmu_enabled == true) {
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pr_debug("%s: system heap is used\n", __func__);
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*dma_buf = ion_alloc(bufsz, ION_HEAP(ION_SYSTEM_HEAP_ID), 0);
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*dma_buf = ion_alloc(bufsz, ION_HEAP(ION_AUDIO_HEAP_ID), 0);
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if (IS_ERR_OR_NULL((void *)(*dma_buf))) {
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if (IS_ERR((void *)(*dma_buf)))
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err_ion_ptr = PTR_ERR((int *)(*dma_buf));
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pr_debug("%s: ION alloc failed for audio heap err ptr=%ld, smmu_enabled=%d,"
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"trying system heap..\n",
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__func__, err_ion_ptr, msm_audio_ion_data.smmu_enabled);
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*dma_buf = ion_alloc(bufsz, ION_HEAP(ION_SYSTEM_HEAP_ID), 0);
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}
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} else {
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pr_debug("%s: audio heap is used\n", __func__);
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*dma_buf = ion_alloc(bufsz, ION_HEAP(ION_AUDIO_HEAP_ID), 0);
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}
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if (IS_ERR_OR_NULL((void *)(*dma_buf))) {
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