Hi Ezequiel On Mon, Jan 11, 2021 at 12:55 PM Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote: > > Hi Ezequiel > > On Mon, Jan 11, 2021 at 12:48 PM Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> wrote: > > > > Hi Ricardo, > > > > On Mon, 2021-01-11 at 12:35 +0100, Ricardo Ribalda wrote: > > > Clear the reserved fields. > > > > > > Fixes: > > > fail: v4l2-test-formats.cpp(482): pix_mp.plane_fmt[0].reserved not zeroed > > > test VIDIOC_TRY_FMT: FAIL > > > fail: v4l2-test-formats.cpp(482): pix_mp.plane_fmt[0].reserved not zeroed > > > test VIDIOC_S_FMT: FAIL > > > > > > Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > > > --- > > > drivers/staging/media/hantro/hantro_v4l2.c | 5 +++++ > > > 1 file changed, 5 insertions(+) > > > > > > diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c > > > index b668a82d40ad..9b384fbffc93 100644 > > > --- a/drivers/staging/media/hantro/hantro_v4l2.c > > > +++ b/drivers/staging/media/hantro/hantro_v4l2.c > > > @@ -239,6 +239,7 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx, > > > const struct hantro_fmt *fmt, *vpu_fmt; > > > bool capture = V4L2_TYPE_IS_CAPTURE(type); > > > bool coded; > > > + int i; > > > > > > coded = capture == ctx->is_encoder; > > > > > > @@ -293,6 +294,10 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx, > > > pix_mp->width * pix_mp->height * fmt->max_depth; > > > } > > > > > > + for (i = 0; i < pix_mp->num_planes; i++) > > > + memset(pix_mp->plane_fmt[i].reserved, 0, > > > + sizeof(pix_mp->plane_fmt[i].reserved)); > > > + > > > > This looks like something that should be handled at the core, > > probably in drivers/media/v4l2-core/v4l2-ioctl.c::v4l_try_fmt(). > > The core does clear the reserved field from v4l2_pix_format_mplane, My bad, It is also clearing the per plane reserved field. I was testing in an old kernel. The grep it is still valid though. We can remove all the memsets in the drivers. > but not the reserved field for every plane. I can try to add it to the > core as well. At least these drivers have code duplication: > > git grep reserved | grep memset | grep plane_fmt > drivers/media/pci/intel/ipu3/ipu3-cio2.c: > memset(mpix->plane_fmt[0].reserved, 0, > drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c: > memset(pix_mp->plane_fmt[i].reserved, 0, > drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c: > memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0, > drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c: > memset(&(pix_fmt_mp->plane_fmt[i].reserved[0]), 0x0, > drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c: > memset(&(pix->plane_fmt[i].reserved[0]), 0x0, > drivers/media/platform/rcar_fdp1.c: > memset(pix->plane_fmt[i].reserved, 0, > drivers/media/platform/rcar_fdp1.c: > memset(pix->plane_fmt[2].reserved, 0, > drivers/media/platform/rcar_jpu.c: > memset(pix->plane_fmt[0].reserved, 0, > drivers/media/platform/rcar_jpu.c: > memset(pix->plane_fmt[i].reserved, 0, > drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c: > memset(pix->plane_fmt[i].reserved, 0, > drivers/media/platform/ti-vpe/vpe.c: > memset(plane_fmt->reserved, 0, sizeof(plane_fmt->reserved)); > drivers/media/test-drivers/vicodec/vicodec-core.c: > memset(pix_mp->plane_fmt[0].reserved, 0, > drivers/staging/media/hantro/hantro_v4l2.c: > memset(pix_mp->plane_fmt[i].reserved, 0, > drivers/staging/media/ipu3/ipu3-v4l2.c: memset(pixm->plane_fmt[0].reserved, 0, > > > > > Thanks, > > Ezequiel > > > > > -- > Ricardo Ribalda -- Ricardo Ribalda