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drm/bridge: synopsys: dw-hdmi: Fix nlpcm bitstream

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Clear the Audio Logic to fix the NLPCM and HBR situation switch.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I98c25e36c76c1308c5b4d50a1d861e3b043e2235
This commit is contained in:
Sugar Zhang
2025-02-18 16:17:34 +08:00
committed by Tao Huang
parent 944315b15a
commit 4bdb54ffcb
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
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@@ -59,6 +59,8 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data,
return -EINVAL;
}
dw_hdmi_audio_disable(hdmi);
/* Reset the FIFOs before applying new params */
hdmi_update_bits(audio, HDMI_AUD_CONF0_SW_RESET,
HDMI_AUD_CONF0_SW_RESET, HDMI_AUD_CONF0);
@@ -138,6 +140,11 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data,
hdmi_write(audio, conf1, HDMI_AUD_CONF1);
hdmi_write(audio, conf2, HDMI_AUD_CONF2);
dw_hdmi_audio_enable(hdmi);
hdmi_update_bits(audio, HDMI_AUD_CONF0_SW_RESET,
HDMI_AUD_CONF0_SW_RESET, HDMI_AUD_CONF0);
hdmi_write(audio, (u8)~HDMI_MC_SWRSTZ_I2SSWRST_REQ, HDMI_MC_SWRSTZ);
return 0;
}