Hi
We have sent a patch series at [1] using this series to add support for
Qualcomm secure heaps.
Instead of TEE calls, it uses qcom_scm_assign_mem() to secure the memory.
Thanks,
Pratyush
[1]
https://lore.kernel.org/lkml/cover.1700544802.git.quic_vji...@quicinc.com/
The main goal is for secure video playback, and to also enable other
potential uses of this in the future. The 'secure dma-heap' will be
used to allocate dma_buf objects that reference memory in the secure
world that is inaccessible/unmappable by the non-secure (i.e.
kernel/userspace) world. That
Hi!
> This patchset adds three secure heaps:
> 1) secure_mtk_cm: secure chunk memory for MediaTek SVP (Secure Video Path).
>The buffer is reserved for the secure world after bootup and it is used
>for vcodec's ES/working buffer;
> 2) secure_mtk_cma: secure CMA memory for MediaTek SVP. This
This patchset adds three secure heaps:
1) secure_mtk_cm: secure chunk memory for MediaTek SVP (Secure Video Path).
The buffer is reserved for the secure world after bootup and it is used
for vcodec's ES/working buffer;
2) secure_mtk_cma: secure CMA memory for MediaTek SVP. This buffer is
d
