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rk29: vpu: add dsb for flush write buffer

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陈恒明
2011-03-25 11:51:31 +08:00
parent e083908af3
commit 0786e79564
1 changed files with 8 additions and 0 deletions
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8
arch/arm/mach-rk29/vpu.c
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@@ -244,6 +244,8 @@ static long vpu_write_dec(u32 *src)
for (i = REG_NUM_DEC - 1; i > VPU_REG_DEC_GATE; i--)
dst[i] = src[i];
dsb();
dst[VPU_REG_DEC_GATE] = src[VPU_REG_DEC_GATE] | VPU_REG_DEC_GATE_BIT;
dst[VPU_REG_EN_DEC] = src[VPU_REG_EN_DEC];
@@ -258,6 +260,8 @@ static long vpu_write_dec_pp(u32 *src)
for (i = VPU_REG_EN_DEC_PP + 1; i < REG_NUM_DEC_PP; i++)
dst[i] = src[i];
dsb();
dst[VPU_REG_DEC_PP_GATE] = src[VPU_REG_DEC_PP_GATE] | VPU_REG_PP_GATE_BIT;
dst[VPU_REG_DEC_GATE] = src[VPU_REG_DEC_GATE] | VPU_REG_DEC_GATE_BIT;
dst[VPU_REG_EN_DEC] = src[VPU_REG_EN_DEC];
@@ -278,6 +282,8 @@ static long vpu_write_enc(u32 *src)
for (i = VPU_REG_EN_ENC + 1; i < REG_NUM_ENC; i++)
dst[i] = src[i];
dsb();
dst[VPU_REG_ENC_GATE] = src[VPU_REG_ENC_GATE] | VPU_REG_ENC_GATE_BIT;
dst[VPU_REG_EN_ENC] = src[VPU_REG_EN_ENC];
@@ -294,6 +300,8 @@ static long vpu_write_pp(u32 *src)
for (i = VPU_REG_PP_GATE + 1; i < REG_NUM_PP; i++)
dst[i] = src[i];
dsb();
dst[VPU_REG_EN_PP] = src[VPU_REG_EN_PP];
return 0;