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Subject: media: mtk-vcodec: Remove extra area allocation in an input buffer on
encoding
Author: Hirokazu Honda <hi...@chromium.org>
Date: Sun Nov 10 07:25:34 2019 +0100
MediaTek encoder allocates non pixel data area for an input buffer every
plane. As the input buffer should be read-only, the driver should not write
anything in the buffer. Therefore, the extra data should be unnecessary.
Signed-off-by: Hirokazu Honda <hi...@chromium.org>
Reviewed-by: Tomasz Figa <tf...@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index fd8de027e83e..6aad53d97d74 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -332,14 +332,12 @@ static int vidioc_try_fmt(struct v4l2_format *f,
pix_fmt_mp->num_planes = fmt->num_planes;
pix_fmt_mp->plane_fmt[0].sizeimage =
- pix_fmt_mp->width * pix_fmt_mp->height +
- ((ALIGN(pix_fmt_mp->width, 16) * 2) * 16);
+ 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 +
- (ALIGN(pix_fmt_mp->width, 16) * 16);
+ (pix_fmt_mp->width * pix_fmt_mp->height) / 2;
pix_fmt_mp->plane_fmt[2].sizeimage = 0;
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->width;
@@ -347,8 +345,7 @@ static int vidioc_try_fmt(struct v4l2_format *f,
} else if (pix_fmt_mp->num_planes == 3) {
pix_fmt_mp->plane_fmt[1].sizeimage =
pix_fmt_mp->plane_fmt[2].sizeimage =
- (pix_fmt_mp->width * pix_fmt_mp->height) / 4 +
- ((ALIGN(pix_fmt_mp->width, 16) / 2) * 16);
+ (pix_fmt_mp->width * pix_fmt_mp->height) / 4;
pix_fmt_mp->plane_fmt[1].bytesperline =
pix_fmt_mp->plane_fmt[2].bytesperline =
pix_fmt_mp->width / 2;
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