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media: rcar-vin: Report correct image stride

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The image stride was adjusted when it was written to hardware and not
when configuring the format. Calculate the correct stride value and
report it to userspace.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Niklas Söderlund 2019-08-08 02:10:58 -03:00 committed by Mauro Carvalho Chehab
parent 256acbebdc
commit 84246ae3fd
2 changed files with 10 additions and 5 deletions
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10
drivers/media/platform/rcar-vin/rcar-dma.c
View File

@ -577,6 +577,9 @@ static void rvin_crop_scale_comp_gen2(struct rvin_dev *vin)
void rvin_crop_scale_comp(struct rvin_dev *vin)
{
const struct rvin_video_format *fmt;
u32 stride;
/* Set Start/End Pixel/Line Pre-Clip */
rvin_write(vin, vin->crop.left, VNSPPRC_REG);
rvin_write(vin, vin->crop.left + vin->crop.width - 1, VNEPPRC_REG);
@ -600,10 +603,9 @@ void rvin_crop_scale_comp(struct rvin_dev *vin)
if (vin->info->model != RCAR_GEN3)
rvin_crop_scale_comp_gen2(vin);
if (vin->format.pixelformat == V4L2_PIX_FMT_NV16)
rvin_write(vin, ALIGN(vin->format.width, 0x20), VNIS_REG);
else
rvin_write(vin, ALIGN(vin->format.width, 0x10), VNIS_REG);
fmt = rvin_format_from_pixel(vin, vin->format.pixelformat);
stride = vin->format.bytesperline / fmt->bpp;
rvin_write(vin, stride, VNIS_REG);
}
/* -----------------------------------------------------------------------------

5
drivers/media/platform/rcar-vin/rcar-v4l2.c
View File

@ -83,13 +83,16 @@ static u32 rvin_format_bytesperline(struct rvin_dev *vin,
struct v4l2_pix_format *pix)
{
const struct rvin_video_format *fmt;
u32 align;
fmt = rvin_format_from_pixel(vin, pix->pixelformat);
if (WARN_ON(!fmt))
return -EINVAL;
return pix->width * fmt->bpp;
align = pix->pixelformat == V4L2_PIX_FMT_NV16 ? 0x20 : 0x10;
return ALIGN(pix->width, align) * fmt->bpp;
}
static u32 rvin_format_sizeimage(struct v4l2_pix_format *pix)