buffer: refine write-back and invalidate logic for produce/consume#87
Merged
lgirdwood merged 1 commit intothesofproject:masterfrom Jul 12, 2018
Merged
buffer: refine write-back and invalidate logic for produce/consume#87lgirdwood merged 1 commit intothesofproject:masterfrom
lgirdwood merged 1 commit intothesofproject:masterfrom
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We only need to handle data consistency for buffer and cache when new data produced: 1. source(DMA) --> buffer --> sink(non-DMA): invalidate cache. 2. source(non-DMA) --> buffer --> sink(DMA): write back to memory. 3. source(DMA) --> buffer --> sink(DMA): do nothing. 4. source(non-DMA) --> buffer --> sink(non-DMA): do nothing. Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
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@tlauda please help review. |
tlauda
approved these changes
Jul 12, 2018
plbossart
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Jul 12, 2018
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We only need to handle data consistency for buffer and cache when
new data produced:
Signed-off-by: Keyon Jie yang.jie@linux.intel.com