linux-kernel - [PATCH 1/7] gpu: ipu-v3: ipu-ic: Remove unused ipu_ic_task_graphics

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Message-ID: <20241226022752.219399-2-linux@treblig.org>
Date: Thu, 26 Dec 2024 02:27:46 +0000
From: linux@...blig.org
To: p.zabel@...gutronix.de,
	airlied@...il.com,
	simona@...ll.ch,
	deller@....de,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com
Cc: dri-devel@...ts.freedesktop.org,
	linux-fbdev@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH 1/7] gpu: ipu-v3: ipu-ic: Remove unused ipu_ic_task_graphics_init

From: "Dr. David Alan Gilbert" <linux@...blig.org>

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 <linux@...blig.org>
---
 drivers/gpu/ipu-v3/ipu-ic.c | 73 -------------------------------------
 include/video/imx-ipu-v3.h  |  4 --
 2 files changed, 77 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-ic.c b/drivers/gpu/ipu-v3/ipu-ic.c
index 846461bac70d..acd76ecc5221 100644
--- a/drivers/gpu/ipu-v3/ipu-ic.c
+++ b/drivers/gpu/ipu-v3/ipu-ic.c
@@ -321,79 +321,6 @@ void ipu_ic_task_disable(struct ipu_ic *ic)
 }
 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,
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index c422a403c099..0bb1d714cbf5 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -445,10 +445,6 @@ int ipu_ic_task_init_rsc(struct ipu_ic *ic,
 			 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,
-- 
2.47.1