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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/gpu/ipu-v3/ipu-cpmem.c
..
..
@@ -1,13 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (C) 2012 Mentor Graphics Inc.
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  * Copyright 2005-2012 Freescale Semiconductor, Inc. All Rights Reserved.
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- *
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- * The code contained herein is licensed under the GNU General Public
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- * License. You may obtain a copy of the GNU General Public License
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- * Version 2 or later at the following locations:
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- *
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- * http://www.opensource.org/licenses/gpl-license.html
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- * http://www.gnu.org/copyleft/gpl.html
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  */
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 #include <linux/types.h>
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 #include <linux/bitrev.h>
..
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@@ -188,9 +182,27 @@
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 	case V4L2_PIX_FMT_RGB32:
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 		/* R G B A <=> [32:0] A:B:G:R */
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 		return DRM_FORMAT_XBGR8888;
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+	case V4L2_PIX_FMT_ABGR32:
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+		/* B G R A <=> [32:0] A:R:G:B */
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+		return DRM_FORMAT_ARGB8888;
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 	case V4L2_PIX_FMT_XBGR32:
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 		/* B G R X <=> [32:0] X:R:G:B */
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 		return DRM_FORMAT_XRGB8888;
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+	case V4L2_PIX_FMT_BGRA32:
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+		/* A B G R <=> [32:0] R:G:B:A */
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+		return DRM_FORMAT_RGBA8888;
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+	case V4L2_PIX_FMT_BGRX32:
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+		/* X B G R <=> [32:0] R:G:B:X */
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+		return DRM_FORMAT_RGBX8888;
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+	case V4L2_PIX_FMT_RGBA32:
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+		/* R G B A <=> [32:0] A:B:G:R */
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+		return DRM_FORMAT_ABGR8888;
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+	case V4L2_PIX_FMT_RGBX32:
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+		/* R G B X <=> [32:0] X:B:G:R */
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+		return DRM_FORMAT_XBGR8888;
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+	case V4L2_PIX_FMT_ARGB32:
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+		/* A R G B <=> [32:0] B:G:R:A */
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+		return DRM_FORMAT_BGRA8888;
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 	case V4L2_PIX_FMT_XRGB32:
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 		/* X R G B <=> [32:0] B:G:R:X */
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 		return DRM_FORMAT_BGRX8888;
..
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@@ -259,6 +271,8 @@
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271
 
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 void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf)
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 {
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+	WARN_ON_ONCE(buf & 0x7);
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+
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 	if (bufnum)
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 		ipu_ch_param_write_field(ch, IPU_FIELD_EBA1, buf >> 3);
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 	else
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@@ -268,14 +282,17 @@
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 void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off)
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 {
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+	WARN_ON_ONCE((u_off & 0x7) || (v_off & 0x7));
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+
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 	ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_off / 8);
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 	ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_off / 8);
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 }
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 EXPORT_SYMBOL_GPL(ipu_cpmem_set_uv_offset);
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291
 
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-void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride)
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+void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride,
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+			       u32 pixelformat)
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 {
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-	u32 ilo, sly;
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+	u32 ilo, sly, sluv;
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 	if (stride < 0) {
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 		stride = -stride;
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@@ -286,9 +303,30 @@
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 	sly = (stride * 2) - 1;
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+	switch (pixelformat) {
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+	case V4L2_PIX_FMT_YUV420:
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+	case V4L2_PIX_FMT_YVU420:
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+		sluv = stride / 2 - 1;
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+		break;
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+	case V4L2_PIX_FMT_NV12:
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+		sluv = stride - 1;
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+		break;
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+	case V4L2_PIX_FMT_YUV422P:
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+		sluv = stride - 1;
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+		break;
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+	case V4L2_PIX_FMT_NV16:
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+		sluv = stride * 2 - 1;
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+		break;
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+	default:
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+		sluv = 0;
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+		break;
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+	}
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+
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 	ipu_ch_param_write_field(ch, IPU_FIELD_SO, 1);
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 	ipu_ch_param_write_field(ch, IPU_FIELD_ILO, ilo);
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 	ipu_ch_param_write_field(ch, IPU_FIELD_SLY, sly);
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+	if (sluv)
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+		ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, sluv);
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 };
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 EXPORT_SYMBOL_GPL(ipu_cpmem_interlaced_scan);
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@@ -435,6 +473,8 @@
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 				   unsigned int uv_stride,
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 				   unsigned int u_offset, unsigned int v_offset)
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 {
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+	WARN_ON_ONCE((u_offset & 0x7) || (v_offset & 0x7));
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+
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 	ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, uv_stride - 1);
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 	ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8);
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 	ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_offset / 8);
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@@ -739,48 +779,56 @@
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 	switch (pix->pixelformat) {
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 	case V4L2_PIX_FMT_YUV420:
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 		offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
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-		u_offset = U_OFFSET(pix, image->rect.left,
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-				    image->rect.top) - offset;
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-		v_offset = V_OFFSET(pix, image->rect.left,
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-				    image->rect.top) - offset;
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+		u_offset = image->u_offset ?
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+			image->u_offset : U_OFFSET(pix, image->rect.left,
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+						   image->rect.top) - offset;
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+		v_offset = image->v_offset ?
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+			image->v_offset : V_OFFSET(pix, image->rect.left,
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+						   image->rect.top) - offset;
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 		ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2,
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 					      u_offset, v_offset);
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 		break;
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 	case V4L2_PIX_FMT_YVU420:
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 		offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
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-		u_offset = U_OFFSET(pix, image->rect.left,
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-				    image->rect.top) - offset;
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-		v_offset = V_OFFSET(pix, image->rect.left,
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-				    image->rect.top) - offset;
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+		u_offset = image->u_offset ?
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+			image->u_offset : V_OFFSET(pix, image->rect.left,
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+						   image->rect.top) - offset;
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+		v_offset = image->v_offset ?
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+			image->v_offset : U_OFFSET(pix, image->rect.left,
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+						   image->rect.top) - offset;
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 		ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2,
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-					      v_offset, u_offset);
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+					      u_offset, v_offset);
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 		break;
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 	case V4L2_PIX_FMT_YUV422P:
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 		offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
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-		u_offset = U2_OFFSET(pix, image->rect.left,
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-				     image->rect.top) - offset;
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-		v_offset = V2_OFFSET(pix, image->rect.left,
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-				     image->rect.top) - offset;
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+		u_offset = image->u_offset ?
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+			image->u_offset : U2_OFFSET(pix, image->rect.left,
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+						    image->rect.top) - offset;
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+		v_offset = image->v_offset ?
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+			image->v_offset : V2_OFFSET(pix, image->rect.left,
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+						    image->rect.top) - offset;
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 		ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2,
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 					      u_offset, v_offset);
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 		break;
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 	case V4L2_PIX_FMT_NV12:
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 		offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
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-		u_offset = UV_OFFSET(pix, image->rect.left,
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-				     image->rect.top) - offset;
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-		v_offset = 0;
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+		u_offset = image->u_offset ?
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+			image->u_offset : UV_OFFSET(pix, image->rect.left,
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+						    image->rect.top) - offset;
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+		v_offset = image->v_offset ? image->v_offset : 0;
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 		ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline,
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 					      u_offset, v_offset);
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 		break;
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 	case V4L2_PIX_FMT_NV16:
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 		offset = Y_OFFSET(pix, image->rect.left, image->rect.top);
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-		u_offset = UV2_OFFSET(pix, image->rect.left,
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-				      image->rect.top) - offset;
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-		v_offset = 0;
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+		u_offset = image->u_offset ?
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+			image->u_offset : UV2_OFFSET(pix, image->rect.left,
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+						     image->rect.top) - offset;
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+		v_offset = image->v_offset ? image->v_offset : 0;
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 		ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline,
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 					      u_offset, v_offset);
..
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@@ -793,8 +841,14 @@
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 		break;
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 	case V4L2_PIX_FMT_RGB32:
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 	case V4L2_PIX_FMT_BGR32:
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-	case V4L2_PIX_FMT_XRGB32:
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+	case V4L2_PIX_FMT_ABGR32:
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 	case V4L2_PIX_FMT_XBGR32:
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+	case V4L2_PIX_FMT_BGRA32:
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+	case V4L2_PIX_FMT_BGRX32:
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+	case V4L2_PIX_FMT_RGBA32:
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+	case V4L2_PIX_FMT_RGBX32:
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+	case V4L2_PIX_FMT_ARGB32:
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+	case V4L2_PIX_FMT_XRGB32:
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 		offset = image->rect.left * 4 +
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 			image->rect.top * pix->bytesperline;
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 		break;