[PATCH] soc: imx: imx8mp-blk-ctrl: set HDMI LCDIF panic read hurry level

[Peng Fan]

On 1/10/2023 12:12 AM, Lucas Stach wrote:
> Same as done for both LCDIF interfaces in the MEDIA domain, set
> the panic priority of the LCDIF instance in the HDMI domain to
> the maximium NoC priority of 7 to minimize chances of display
> underflows.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
>   drivers/soc/imx/imx8mp-blk-ctrl.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/soc/imx/imx8mp-blk-ctrl.c b/drivers/soc/imx/imx8mp-blk-ctrl.c
> index 0629f64ef4f1..28458ed1793b 100644
> --- a/drivers/soc/imx/imx8mp-blk-ctrl.c
> +++ b/drivers/soc/imx/imx8mp-blk-ctrl.c
> @@ -300,6 +300,7 @@ static const struct imx8mp_blk_ctrl_data imx8mp_hsio_blk_ctl_dev_data = {
>   #define HDMI_RTX_CLK_CTL3	0x70
>   #define HDMI_RTX_CLK_CTL4	0x80
>   #define HDMI_TX_CONTROL0	0x200
> +#define  HDMI_LCDIF_NOC_HURRY_MASK		GENMASK(14, 12)
>   
>   static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
>   					  struct imx8mp_blk_ctrl_domain *domain)
> @@ -316,6 +317,8 @@ static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
>   		regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(11));
>   		regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0,
>   				BIT(4) | BIT(5) | BIT(6));
> +		regmap_set_bits(bc->regmap, HDMI_TX_CONTROL0,
> +				FIELD_PREP(HDMI_LCDIF_NOC_HURRY_MASK, 7));
>   		break;
>   	case IMX8MP_HDMIBLK_PD_PAI:
>   		regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(17));

For the LCDIF, Reviewed-by: Peng Fan <peng.fan at nxp.com>

BTW: will you also add HRV hurry level? If not, I could also post a patch.

Thanks,
Peng.