gpu: ipu-v3: ipu-ic: Remove unused ipu_ic_task_graphics_init

ipu_ic_task_graphics_init() was added in 2014 by
commit 1aa8ea0d2bd5 ("gpu: ipu-v3: Add Image Converter unit")
but has been unused.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
Signed-off-by: Dmitry Baryshkov <[e-mail]>

drivers/gpu/ipu-v3/ipu-ic.c

···
 }
 EXPORT_SYMBOL_GPL(ipu_ic_task_disable);
 
-int ipu_ic_task_graphics_init(struct ipu_ic *ic,
-			      const struct ipu_ic_colorspace *g_in_cs,
-			      bool galpha_en, u32 galpha,
-			      bool colorkey_en, u32 colorkey)
-{
-	struct ipu_ic_priv *priv = ic->priv;
-	struct ipu_ic_csc csc2;
-	unsigned long flags;
-	u32 reg, ic_conf;
-	int ret = 0;
-
-	if (ic->task == IC_TASK_ENCODER)
-		return -EINVAL;
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	ic_conf = ipu_ic_read(ic, IC_CONF);
-
-	if (!(ic_conf & ic->bit->ic_conf_csc1_en)) {
-		struct ipu_ic_csc csc1;
-
-		ret = ipu_ic_calc_csc(&csc1,
-				      V4L2_YCBCR_ENC_601,
-				      V4L2_QUANTIZATION_FULL_RANGE,
-				      IPUV3_COLORSPACE_RGB,
-				      V4L2_YCBCR_ENC_601,
-				      V4L2_QUANTIZATION_FULL_RANGE,
-				      IPUV3_COLORSPACE_RGB);
-		if (ret)
-			goto unlock;
-
-		/* need transparent CSC1 conversion */
-		ret = init_csc(ic, &csc1, 0);
-		if (ret)
-			goto unlock;
-	}
-
-	ic->g_in_cs = *g_in_cs;
-	csc2.in_cs = ic->g_in_cs;
-	csc2.out_cs = ic->out_cs;
-
-	ret = __ipu_ic_calc_csc(&csc2);
-	if (ret)
-		goto unlock;
-
-	ret = init_csc(ic, &csc2, 1);
-	if (ret)
-		goto unlock;
-
-	if (galpha_en) {
-		ic_conf |= IC_CONF_IC_GLB_LOC_A;
-		reg = ipu_ic_read(ic, IC_CMBP_1);
-		reg &= ~(0xff << ic->bit->ic_cmb_galpha_bit);
-		reg |= (galpha << ic->bit->ic_cmb_galpha_bit);
-		ipu_ic_write(ic, reg, IC_CMBP_1);
-	} else
-		ic_conf &= ~IC_CONF_IC_GLB_LOC_A;
-
-	if (colorkey_en) {
-		ic_conf |= IC_CONF_KEY_COLOR_EN;
-		ipu_ic_write(ic, colorkey, IC_CMBP_2);
-	} else
-		ic_conf &= ~IC_CONF_KEY_COLOR_EN;
-
-	ipu_ic_write(ic, ic_conf, IC_CONF);
-
-	ic->graphics = true;
-unlock:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(ipu_ic_task_graphics_init);
-
 int ipu_ic_task_init_rsc(struct ipu_ic *ic,
 			 const struct ipu_ic_csc *csc,
 			 int in_width, int in_height,

include/video/imx-ipu-v3.h

···
 			 int in_width, int in_height,
 			 int out_width, int out_height,
 			 u32 rsc);
-int ipu_ic_task_graphics_init(struct ipu_ic *ic,
-			      const struct ipu_ic_colorspace *g_in_cs,
-			      bool galpha_en, u32 galpha,
-			      bool colorkey_en, u32 colorkey);
 void ipu_ic_task_enable(struct ipu_ic *ic);
 void ipu_ic_task_disable(struct ipu_ic *ic);
 int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,