[PATCH] media: cedrus: Add support for additional output formats
Paul Kocialkowski
paulk at sys-base.io
Fri May 23 08:43:59 PDT 2025
From: Jernej Skrabec <jernej.skrabec at siol.net>
If VPU supports untiled output, it actually supports several different
YUV 4:2:0 layouts, namely NV12, NV21, YUV420 and YVU420.
Add support for all of them.
Signed-off-by: Jernej Skrabec <jernej.skrabec at siol.net>
Reviewed-by: Paul Kocialkowski <paulk at sys-base.io>
---
Looks like this patch never made it, sorry about that.
I've rebased it atop media/next and added my Reviewed-by tag.
---
drivers/staging/media/sunxi/cedrus/cedrus_hw.c | 18 +++++++++++++++++-
.../staging/media/sunxi/cedrus/cedrus_video.c | 18 ++++++++++++++++++
2 files changed, 35 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
index 32af0e96e762..168d89c5a16d 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c
@@ -86,9 +86,25 @@ void cedrus_dst_format_set(struct cedrus_dev *dev,
switch (fmt->pixelformat) {
case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_NV21:
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
chroma_size = ALIGN(width, 16) * ALIGN(height, 16) / 2;
- reg = VE_PRIMARY_OUT_FMT_NV12;
+ switch (fmt->pixelformat) {
+ case V4L2_PIX_FMT_NV12:
+ reg = VE_PRIMARY_OUT_FMT_NV12;
+ break;
+ case V4L2_PIX_FMT_NV21:
+ reg = VE_PRIMARY_OUT_FMT_NV21;
+ break;
+ case V4L2_PIX_FMT_YUV420:
+ reg = VE_PRIMARY_OUT_FMT_YU12;
+ break;
+ case V4L2_PIX_FMT_YVU420:
+ reg = VE_PRIMARY_OUT_FMT_YV12;
+ break;
+ }
cedrus_write(dev, VE_PRIMARY_OUT_FMT, reg);
reg = chroma_size / 2;
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
index 77f78266f406..9fae2c7493d0 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c
@@ -64,6 +64,21 @@ static struct cedrus_format cedrus_formats[] = {
.pixelformat = V4L2_PIX_FMT_NV12_32L32,
.directions = CEDRUS_DECODE_DST,
},
+ {
+ .pixelformat = V4L2_PIX_FMT_NV21,
+ .directions = CEDRUS_DECODE_DST,
+ .capabilities = CEDRUS_CAPABILITY_UNTILED,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_YUV420,
+ .directions = CEDRUS_DECODE_DST,
+ .capabilities = CEDRUS_CAPABILITY_UNTILED,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_YVU420,
+ .directions = CEDRUS_DECODE_DST,
+ .capabilities = CEDRUS_CAPABILITY_UNTILED,
+ },
};
#define CEDRUS_FORMATS_COUNT ARRAY_SIZE(cedrus_formats)
@@ -140,6 +155,9 @@ void cedrus_prepare_format(struct v4l2_pix_format *pix_fmt)
break;
case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_NV21:
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
/* 16-aligned stride. */
bytesperline = ALIGN(width, 16);
--
2.49.0
More information about the linux-arm-kernel
mailing list