We use jitter bypass mode for spdif, so do not need to set jitter mode
related bit in SPDIF_CTRL_ADDR register. Also, we need to enable
SPDIF_ENABLE bit.

Signed-off-by: Chris Zhong <z...@rock-chips.com>
Signed-off-by: Lin Huang <h...@rock-chips.com>
---
 drivers/gpu/drm/rockchip/cdn-dp-reg.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c 
b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index eb3042c..3105965 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -792,7 +792,6 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
 
 int cdn_dp_audio_stop(struct cdn_dp_device *dp, struct audio_info *audio)
 {
-       u32 val;
        int ret;
 
        ret = cdn_dp_reg_write(dp, AUDIO_PACK_CONTROL, 0);
@@ -801,11 +800,7 @@ int cdn_dp_audio_stop(struct cdn_dp_device *dp, struct 
audio_info *audio)
                return ret;
        }
 
-       val = SPDIF_AVG_SEL | SPDIF_JITTER_BYPASS;
-       val |= SPDIF_FIFO_MID_RANGE(0xe0);
-       val |= SPDIF_JITTER_THRSH(0xe0);
-       val |= SPDIF_JITTER_AVG_WIN(7);
-       writel(val, dp->regs + SPDIF_CTRL_ADDR);
+       writel(0, dp->regs + SPDIF_CTRL_ADDR);
 
        /* clearn the audio config and reset */
        writel(0, dp->regs + AUDIO_SRC_CNTL);
@@ -929,12 +924,6 @@ static void cdn_dp_audio_config_spdif(struct cdn_dp_device 
*dp)
 {
        u32 val;
 
-       val = SPDIF_AVG_SEL | SPDIF_JITTER_BYPASS;
-       val |= SPDIF_FIFO_MID_RANGE(0xe0);
-       val |= SPDIF_JITTER_THRSH(0xe0);
-       val |= SPDIF_JITTER_AVG_WIN(7);
-       writel(val, dp->regs + SPDIF_CTRL_ADDR);
-
        writel(SYNC_WR_TO_CH_ZERO, dp->regs + FIFO_CNTL);
 
        val = MAX_NUM_CH(2) | AUDIO_TYPE_LPCM | CFG_SUB_PCKT_NUM(4);
@@ -942,9 +931,6 @@ static void cdn_dp_audio_config_spdif(struct cdn_dp_device 
*dp)
        writel(SMPL2PKT_EN, dp->regs + SMPL2PKT_CNTL);
 
        val = SPDIF_ENABLE | SPDIF_AVG_SEL | SPDIF_JITTER_BYPASS;
-       val |= SPDIF_FIFO_MID_RANGE(0xe0);
-       val |= SPDIF_JITTER_THRSH(0xe0);
-       val |= SPDIF_JITTER_AVG_WIN(7);
        writel(val, dp->regs + SPDIF_CTRL_ADDR);
 
        clk_prepare_enable(dp->spdif_clk);
-- 
2.7.4

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