disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/i2c/imx577.c
..
..
@@ -62,7 +62,7 @@
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62
 
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 #define IMX577_REG_EXPOSURE_H		0x0202
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 #define IMX577_REG_EXPOSURE_L		0x0203
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-#define	IMX577_EXPOSURE_MIN		4
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+#define	IMX577_EXPOSURE_MIN		8
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 #define	IMX577_EXPOSURE_STEP		1
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 #define IMX577_VTS_MAX			0xffff
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..
..
@@ -971,7 +971,7 @@
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 			.numerator = 10000,
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 			.denominator = 300000,
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 		},
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-		.exp_def = 0x0c10,
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+		.exp_def = 0x0c08,
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 		.hts_def = 0x11a0,
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 		.vts_def = 0x0c1e,
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 		.bpp = 10,
..
..
@@ -991,7 +991,7 @@
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 			.numerator = 10000,
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 			.denominator = 600000,
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 		},
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-		.exp_def = 0x0c10,
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+		.exp_def = 0x0c08,
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 		.hts_def = 0x11a0,
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 		.vts_def = 0x0c1e,
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 		.bpp = 10,
..
..
@@ -2031,7 +2031,7 @@
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 	case V4L2_CID_VBLANK:
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 		if (imx577->cur_mode->hdr_mode == NO_HDR) {
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 			/* Update max exposure while meeting expected vblanking */
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-			max = imx577->cur_mode->height + ctrl->val - 4;
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+			max = imx577->cur_mode->height + ctrl->val - 22;
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 			__v4l2_ctrl_modify_range(imx577->exposure,
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 					 imx577->exposure->minimum, max,
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 					 imx577->exposure->step,
..
..
@@ -2195,7 +2195,7 @@
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 				IMX577_VTS_MAX - mode->height,
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 				1, vblank_def);
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 	imx577->cur_vts = mode->vts_def;
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-	exposure_max = mode->vts_def - 4;
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+	exposure_max = mode->vts_def - 22;
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 	imx577->exposure = v4l2_ctrl_new_std(handler, &imx577_ctrl_ops,
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 				V4L2_CID_EXPOSURE, IMX577_EXPOSURE_MIN,
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 				exposure_max, IMX577_EXPOSURE_STEP,