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33a634427c
The secure camera preview pipeline on Shima has buffers that are shared by the display and secure camera hardware. On older architecture, the buffers were not shareable, as the display hardware needed write-access to the buffer, which could compromise the integrity of the data populated by the secure camera hardware. The display hardware on Shima has been upgraded, such that it no longer needs write-access to the buffer, which allows the buffer to be shared between both peripherals. Thus, ensure that the mappings for the display hardware on Shima are read-only, so that the integrity of the contents of the buffer cannot be compromised. Change-Id: I8c254262b53051f4f2bb9cb477ad70bba2d8ed20 |
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