disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/platform/rockchip/isp/csi.c
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@@ -15,7 +15,7 @@
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 #include "isp_external.h"
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 #include "regs.h"
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-static void get_remote_mipi_sensor(struct rkisp_device *dev,
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+void rkisp_get_remote_mipi_sensor(struct rkisp_device *dev,
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 				  struct v4l2_subdev **sensor_sd, u32 function)
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 {
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 	struct media_graph graph;
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@@ -82,6 +82,8 @@
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 		id = local->index - 1;
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 		if (id && id < RKISP_STREAM_DMATX3)
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 			stream = &csi->ispdev->cap_dev.stream[id + 1];
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+		if (id >= ARRAY_SIZE(csi->sink))
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+			return -EINVAL;
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 		if (flags & MEDIA_LNK_FL_ENABLED) {
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 			if (csi->sink[id].linked) {
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 				ret = -EBUSY;
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@@ -210,7 +212,7 @@
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 	emd_vc = 0xFF;
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 	emd_dt = 0;
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 	dev->hdr.sensor = NULL;
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-	get_remote_mipi_sensor(dev, &mipi_sensor, MEDIA_ENT_F_CAM_SENSOR);
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+	rkisp_get_remote_mipi_sensor(dev, &mipi_sensor, MEDIA_ENT_F_CAM_SENSOR);
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 	if (mipi_sensor) {
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 		ctrl = v4l2_ctrl_find(mipi_sensor->ctrl_handler,
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 				      CIFISP_CID_EMB_VC);
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@@ -546,7 +548,7 @@
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 		}
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 		return 0;
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 	}
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-	get_remote_mipi_sensor(dev, &sd, type);
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+	rkisp_get_remote_mipi_sensor(dev, &sd, type);
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 	if (!sd) {
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 		v4l2_err(&dev->v4l2_dev, "%s don't find subdev\n", __func__);
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 		return -EINVAL;
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@@ -577,7 +579,7 @@
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 			memset(&mode, 0, sizeof(mode));
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 			mode.name = dev->name;
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-			get_remote_mipi_sensor(dev, &mipi_sensor, MEDIA_ENT_F_PROC_VIDEO_COMPOSER);
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+			rkisp_get_remote_mipi_sensor(dev, &mipi_sensor, MEDIA_ENT_F_PROC_VIDEO_COMPOSER);
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 			if (!mipi_sensor)
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 				return -EINVAL;
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 			dev->hdr.op_mode = HDR_NORMAL;