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gpu: add dsb() before gpu start

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杜坤明
2011-03-25 12:46:45 +08:00
parent 0786e79564
commit 18de57592b
1 changed files with 6 additions and 1 deletions
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7
drivers/staging/rk29/vivante/hal/os/linux/kernel/gc_hal_kernel_os.c
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@@ -2602,7 +2602,8 @@ gceSTATUS gckOS_MemoryBarrier(
/* Verify thearguments. */
gcmkVERIFY_OBJECT(Os, gcvOBJ_OS);
mb();
//mb();
dsb();
/* Success. */
return gcvSTATUS_OK;
@@ -5418,6 +5419,8 @@ gckOS_CacheFlush(
{
#if (1==gcdENABLE_MEM_CACHE)
dmac_clean_range(Logical, Logical+Bytes);
#elif (2==gcdENABLE_MEM_CACHE)
dsb();
#endif
return gcvSTATUS_OK;
}
@@ -5454,6 +5457,8 @@ gckOS_CacheInvalidate(
{
#if (1==gcdENABLE_MEM_CACHE)
dmac_flush_range(Logical, Logical+Bytes);
#elif (2==gcdENABLE_MEM_CACHE)
dsb();
#endif
return gcvSTATUS_OK;
}