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drm/bridge: synopsys: dw-hdmi-qp: Fixed ddc write heap corruption

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Change-Id: Ief41e4e71be8ccc0cb5cb4f9b1e7d0a496a60704
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
This commit is contained in:
Algea Cao
2024-10-11 11:52:32 +08:00
committed by Tao Huang
parent 9e3dd92878
commit 36f4f47e78
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
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@@ -1158,7 +1158,7 @@ static int dw_hdmi_i2c_write(struct dw_hdmi_qp *hdmi,
reinit_completion(&i2c->cmp);
hdmi_writel(hdmi, *buf++, I2CM_INTERFACE_WRDATA_0_3);
hdmi_writel(hdmi, *buf, I2CM_INTERFACE_WRDATA_0_3);
hdmi_modb(hdmi, i2c->slave_reg++ << 12, I2CM_ADDR,
I2CM_INTERFACE_CONTROL0);
hdmi_modb(hdmi, I2CM_FM_WRITE, I2CM_WR_MASK,
@@ -1183,6 +1183,7 @@ static int dw_hdmi_i2c_write(struct dw_hdmi_qp *hdmi,
continue;
}
/* write success */
buf++;
break;
}
hdmi_modb(hdmi, 0, I2CM_WR_MASK, I2CM_INTERFACE_CONTROL0);