[PATCH 32/55] media: rkisp1: isp: Merge ISP_ACQ_PROP configuration in single variable

Dafna Hirschfeld dafna at fastmail.com
Fri Jun 24 22:03:24 PDT 2022


On 15.06.2022 04:11, Paul Elder wrote:
>From: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
>
>The rkisp1_config_isp() function stores the value of the input selection
>and polarity configuration in two different local variables, OR'ed
>together when writing the register. Merge them into a single acq_prop
>variable.
>
>Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

Reviewed-by Dafna Hirschfeld <dafna at fastmail.com>

>---
> .../media/platform/rockchip/rkisp1/rkisp1-isp.c  | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
>diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
>index f5b8a2e31936..4496af991c82 100644
>--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
>+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
>@@ -141,7 +141,7 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
> 			     enum v4l2_mbus_type mbus_type, u32 mbus_flags)
> {
> 	struct rkisp1_device *rkisp1 = isp->rkisp1;
>-	u32 isp_ctrl = 0, irq_mask = 0, acq_mult = 0, signal = 0, input_sel = 0;
>+	u32 isp_ctrl = 0, irq_mask = 0, acq_mult = 0, acq_prop = 0;
> 	const struct rkisp1_mbus_info *src_fmt, *sink_fmt;
> 	struct v4l2_mbus_framefmt *sink_frm;
> 	struct v4l2_rect *sink_crop;
>@@ -188,17 +188,17 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
> 	/* Set up input acquisition properties */
> 	if (mbus_type == V4L2_MBUS_BT656 || mbus_type == V4L2_MBUS_PARALLEL) {
> 		if (mbus_flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
>-			signal = RKISP1_CIF_ISP_ACQ_PROP_POS_EDGE;
>+			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_POS_EDGE;
>
> 		switch (sink_fmt->bus_width) {
> 		case 8:
>-			input_sel = RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_8B_ZERO;
>+			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_8B_ZERO;
> 			break;
> 		case 10:
>-			input_sel = RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_10B_ZERO;
>+			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_10B_ZERO;
> 			break;
> 		case 12:
>-			input_sel = RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_12B;
>+			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_IN_SEL_12B;
> 			break;
> 		default:
> 			dev_err(rkisp1->dev, "Invalid bus width\n");
>@@ -208,15 +208,15 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
>
> 	if (mbus_type == V4L2_MBUS_PARALLEL) {
> 		if (mbus_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
>-			signal |= RKISP1_CIF_ISP_ACQ_PROP_VSYNC_LOW;
>+			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_VSYNC_LOW;
>
> 		if (mbus_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
>-			signal |= RKISP1_CIF_ISP_ACQ_PROP_HSYNC_LOW;
>+			acq_prop |= RKISP1_CIF_ISP_ACQ_PROP_HSYNC_LOW;
> 	}
>
> 	rkisp1_write(rkisp1, RKISP1_CIF_ISP_CTRL, isp_ctrl);
> 	rkisp1_write(rkisp1, RKISP1_CIF_ISP_ACQ_PROP,
>-		     signal | sink_fmt->yuv_seq | input_sel |
>+		     acq_prop | sink_fmt->yuv_seq |
> 		     RKISP1_CIF_ISP_ACQ_PROP_BAYER_PAT(sink_fmt->bayer_pat) |
> 		     RKISP1_CIF_ISP_ACQ_PROP_FIELD_SEL_ALL);
> 	rkisp1_write(rkisp1, RKISP1_CIF_ISP_ACQ_NR_FRAMES, 0);
>-- 
>2.30.2
>



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