r500/regs/rb3d_dstcache_ctlstat.txt

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