1 files changed, 2 insertions, 1 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c b/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c
index 83d3646ed1..00a2b22591 100644
--- a/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c
+++ b/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c
@@ -69,6 +69,8 @@ static inline void set_dma(const void *addr, size_t size)
     int burst_size;
     logf("%x %d %x", (unsigned int)addr, size, REG_AIC_SR);
 
+    commit_discard_dcache_range(addr, size);
+
     if(size % 16)
     {
         if(size % 4)
@@ -88,7 +90,6 @@ static inline void set_dma(const void *addr, size_t size)
         burst_size = DMAC_DCMD_DS_16BYTE;
     }
 
-    __dcache_writeback_all();
     REG_DMAC_DCCSR(DMA_AIC_TX_CHANNEL) = DMAC_DCCSR_NDES;
     REG_DMAC_DSAR(DMA_AIC_TX_CHANNEL)  = PHYSADDR((unsigned long)addr);
     REG_DMAC_DTAR(DMA_AIC_TX_CHANNEL)  = PHYSADDR((unsigned long)AIC_DR);