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gralloc: Make all pmem buffers cacheable by default

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If an uncached buffer is needed from gralloc, the
client must use the flag GRALLOC_USAGE_PRIVATE_UNCACHED

Change-Id: Ie3fcfee1071a87fa0440600f4ca3e2d7ff6243ed
This commit is contained in:
Naseer Ahmed
2011-12-26 13:56:30 +05:30
committed by Andrew Sutherland
parent dadd73f13f
commit 0322ae55d3
1 changed files with 1 additions and 9 deletions
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10
libgralloc/alloc_controller.cpp
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@@ -256,16 +256,8 @@ int PmemAshmemController::allocate(alloc_data& data, int usage,
{
int ret = 0;
// Decide caching
// Decide based on usage
uint32_t uread = usage & GRALLOC_USAGE_SW_READ_MASK;
uint32_t uwrite = usage & GRALLOC_USAGE_SW_WRITE_MASK;
if (uread == GRALLOC_USAGE_SW_READ_OFTEN ||
uwrite == GRALLOC_USAGE_SW_WRITE_OFTEN) {
// Make buffers cacheable by default
data.uncached = false;
} else {
data.uncached = true;
}
// Override if we explicitly need uncached buffers
if (usage & GRALLOC_USAGE_PRIVATE_UNCACHED)