media: imx-pxp: disable LUT block

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@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/nxp/imx-pxp.c

@@ -735,11 +735,10 @@ 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);
@@ -964,7 +963,7 @@ 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;