[PATCH v2 05/16] media: imx-pxp: disable LUT block

Michael Tretter
2023-01-13T09:57:29Z

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.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
---
Changelog

v2: none
---
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 78e778d68e64..bf3be989a552 100644
--- a/drivers/media/platform/nxp/imx-pxp.c
+++ b/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;

--
2.30.2