23 lines
1.5 KiB
Plaintext
23 lines
1.5 KiB
Plaintext
Field Name Bits Default Description
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DC_FLUSH 1:0 0x0 Setting this bit flushes dirty data from the 3D Dst Cache.
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Unless the DC_FREE bits are also set, the tags in the
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cache remain valid. A purge is achieved by setting both
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DC_FLUSH and DC_FREE.
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POSSIBLE VALUES:
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00 - No effect
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01 - No effect
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02 - Flushes dirty 3D data
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03 - Flushes dirty 3D data
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DC_FREE 3:2 0x0 Setting this bit invalidates the 3D Dst Cache tags. Unless
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the DC_FLUSH bit is also set, the cache lines are not
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written to memory. A purge is achieved by setting both
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DC_FLUSH and DC_FREE.
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POSSIBLE VALUES:
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00 - No effect
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01 - No effect
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02 - Free 3D tags
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03 - Free 3D tags
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DC_FINISH 4 0x0 POSSIBLE VALUES:
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00 - do not send a finish signal to the CP
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01 - send a finish signal to the CP after the end of operation
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