Re: [PATCH 5/8] media: imx-pxp: disable LUT block

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Hi Michael,

Thank you for the patch.

On Thu, Jan 05, 2023 at 02:47:26PM +0100, Michael Tretter wrote:
> The LUT block is always configured in bypass mode.
> 
> Take it entirely out of the pipeline by disabling it and routing the
> data path around the LUT.
> 
> Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/media/platform/nxp/imx-pxp.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/media/platform/nxp/imx-pxp.c b/drivers/media/platform/nxp/imx-pxp.c
> index 6ffd07cda965..1d649b9cadad 100644
> --- a/drivers/media/platform/nxp/imx-pxp.c
> +++ b/drivers/media/platform/nxp/imx-pxp.c
> @@ -737,11 +737,10 @@ static u32 pxp_data_path_ctrl0(struct pxp_ctx *ctx)
>  	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX13_SEL(3);
>  	/* Select Rotation */
>  	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX12_SEL(0);
> -	/* Select LUT */
> -	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX11_SEL(0);
> +	/* Bypass LUT */
> +	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX11_SEL(1);
>  	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX10_SEL(3);
> -	/* Select MUX8 for LUT */
> -	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX9_SEL(1);
> +	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX9_SEL(3);
>  	/* Select CSC 2 */
>  	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX8_SEL(0);
>  	ctrl0 |= BF_PXP_DATA_PATH_CTRL0_MUX7_SEL(3);
> @@ -966,7 +965,7 @@ static int pxp_start(struct pxp_ctx *ctx, struct vb2_v4l2_buffer *in_vb,
>  	/* ungate, enable PS/AS/OUT and PXP operation */
>  	writel(BM_PXP_CTRL_IRQ_ENABLE, dev->mmio + HW_PXP_CTRL_SET);
>  	writel(BM_PXP_CTRL_ENABLE | BM_PXP_CTRL_ENABLE_CSC2 |
> -	       BM_PXP_CTRL_ENABLE_LUT | BM_PXP_CTRL_ENABLE_ROTATE0 |
> +	       BM_PXP_CTRL_ENABLE_ROTATE0 |
>  	       BM_PXP_CTRL_ENABLE_PS_AS_OUT, dev->mmio + HW_PXP_CTRL_SET);
>  
>  	return 0;

-- 
Regards,

Laurent Pinchart



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