diff options
| author |   Lin Huang <hl@rock-chips.com> | 2018-05-22 16:53:41 +0800 |
|---|---|---|
| committer |   Heiko Stuebner <heiko@sntech.de> | 2018-06-16 14:57:56 +0200 |
| commit | 0baf5cc971fc21ff55d75183dd1fe3afb505bff8 (patch) | |
| tree | c665f72510c4562e5fd8fe2ba2516055121d1c35 | |
| parent | drm/rockchip: lvds: add missing of_node_put (diff) | |
| download | linux-dev-0baf5cc971fc21ff55d75183dd1fe3afb505bff8.tar.xz linux-dev-0baf5cc971fc21ff55d75183dd1fe3afb505bff8.zip | |
drm/rockchip: cnd-dp: adjust spdif register setting
We use jitter bypass mode for spdif, so do not need to set jitter mode
related bit in SPDIF_CTRL_ADDR register. But of course we need to keep
the SPDIF_ENABLE bit.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1526979222-32478-1-git-send-email-hl@rock-chips.com
| -rw-r--r-- | drivers/gpu/drm/rockchip/cdn-dp-reg.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index eb3042c6d1b2..3105965fc260 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c @@ -792,7 +792,6 @@ err_config_video: 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); |