linux-kernel - [PATCH v2,5/5] media: mediatek: vcodec: fix incorrect sizeimage for 10bit bitstream

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Message-ID: <20240409064431.16909-6-yunfei.dong@mediatek.com>
Date: Tue, 9 Apr 2024 14:44:31 +0800
From: Yunfei Dong <yunfei.dong@...iatek.com>
To: Nícolas F . R . A . Prado
	<nfraprado@...labora.com>, Nicolas Dufresne <nicolas.dufresne@...labora.com>,
	Hans Verkuil <hverkuil-cisco@...all.nl>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Benjamin Gaignard
	<benjamin.gaignard@...labora.com>, Nathan Hebert <nhebert@...omium.org>,
	Sebastian Fricke <sebastian.fricke@...labora.com>
CC: Hsin-Yi Wang <hsinyi@...omium.org>, Fritz Koenig <frkoenig@...omium.org>,
	Daniel Vetter <daniel@...ll.ch>, Steve Cho <stevecho@...omium.org>, "Yunfei
 Dong" <yunfei.dong@...iatek.com>, <linux-media@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v2,5/5] media: mediatek: vcodec: fix incorrect sizeimage for 10bit bitstream

The sizeimage of each plane is calculated the same way for 8bit and
10bit bitstream. Using v4l2 common interface v4l2_fill_pixfmt_mp to
separate.

Fixes: 9d86be9bda6c ("media: mediatek: vcodec: Add driver to support 10bit")
Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
---
 .../mediatek/vcodec/decoder/mtk_vcodec_dec.c  | 28 ++++++-------------
 1 file changed, 8 insertions(+), 20 deletions(-)

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
index 9107707de6c4..fbfba69682ea 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec.c
@@ -262,40 +262,28 @@ static int vidioc_try_fmt(struct mtk_vcodec_dec_ctx *ctx, struct v4l2_format *f,
 		int tmp_w, tmp_h;
 
 		/*
-		 * Find next closer width align 64, height align 64, size align
-		 * 64 rectangle
+		 * Find next closer width align 64, heign align 64, size align 64 rectangle
 		 * Note: This only get default value, the real HW needed value
 		 *       only available when ctx in MTK_STATE_HEADER state
 		 */
 		tmp_w = pix_fmt_mp->width;
 		tmp_h = pix_fmt_mp->height;
+
 		v4l_bound_align_image(&pix_fmt_mp->width, MTK_VDEC_MIN_W, frmsize->max_width, 6,
 				      &pix_fmt_mp->height, MTK_VDEC_MIN_H, frmsize->max_height, 6,
 				      9);
 
-		if (pix_fmt_mp->width < tmp_w &&
-		    (pix_fmt_mp->width + 64) <= frmsize->max_width)
+		if (pix_fmt_mp->width < tmp_w && (pix_fmt_mp->width + 64) <= frmsize->max_width)
 			pix_fmt_mp->width += 64;
-		if (pix_fmt_mp->height < tmp_h &&
-		    (pix_fmt_mp->height + 64) <= frmsize->max_height)
+		if (pix_fmt_mp->height < tmp_h && (pix_fmt_mp->height + 64) <= frmsize->max_height)
 			pix_fmt_mp->height += 64;
 
+		v4l2_fill_pixfmt_mp(pix_fmt_mp, fmt->fourcc, pix_fmt_mp->width, pix_fmt_mp->height);
 		mtk_v4l2_vdec_dbg(0, ctx,
-				  "before resize wxh=%dx%d, after resize wxh=%dx%d, sizeimage=%d",
+				  "before resize:%dx%d, after resize:%dx%d, sizeimage=0x%x_0x%x",
 				  tmp_w, tmp_h, pix_fmt_mp->width, pix_fmt_mp->height,
-				  pix_fmt_mp->width * pix_fmt_mp->height);
-
-		pix_fmt_mp->num_planes = fmt->num_planes;
-		pix_fmt_mp->plane_fmt[0].sizeimage =
-				pix_fmt_mp->width * pix_fmt_mp->height;
-		pix_fmt_mp->plane_fmt[0].bytesperline = pix_fmt_mp->width;
-
-		if (pix_fmt_mp->num_planes == 2) {
-			pix_fmt_mp->plane_fmt[1].sizeimage =
-				(pix_fmt_mp->width * pix_fmt_mp->height) / 2;
-			pix_fmt_mp->plane_fmt[1].bytesperline =
-				pix_fmt_mp->width;
-		}
+				  pix_fmt_mp->plane_fmt[0].sizeimage,
+				  pix_fmt_mp->plane_fmt[1].sizeimage);
 	}
 
 	pix_fmt_mp->flags = 0;
-- 
2.18.0