linux-kernel - Re: [PATCH] [media] mtk-mdp: Fix g_/s

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1493273512.8340.4.camel@mhfsdcap03>
Date:   Thu, 27 Apr 2017 14:11:52 +0800
From:   houlong wei <houlong.wei@...iatek.com>
To:     Wu-Cheng Li (李務誠) 
        <wuchengli@...gle.com>
CC:     Minghsiu Tsai <minghsiu.tsai@...iatek.com>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        Mauro Carvalho Chehab <mchehab@....samsung.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Pawel Osciak <posciak@...omium.org>,
        <srv_heupstream@...iatek.com>,
        Eddie Huang <eddie.huang@...iatek.com>,
        Yingjoe Chen <yingjoe.chen@...iatek.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-media@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH] [media] mtk-mdp: Fix g_/s_selection capture/compose
 logic

On Thu, 2017-04-13 at 14:50 +0800, Wu-Cheng Li (李務誠) wrote:
> Reviewed-by: Wu-Cheng Li <wuchengli@...omium.org>
> 
> On Thu, Apr 13, 2017 at 12:18 PM, Minghsiu Tsai
> <minghsiu.tsai@...iatek.com> wrote:
> > From: Daniel Kurtz <djkurtz@...omium.org>
> >
> > Experiments show that the:
> >  (1) mtk-mdp uses the _MPLANE form of CAPTURE/OUTPUT
> >  (2) CAPTURE types use CROP targets, and OUTPUT types use COMPOSE targets
> >
> > Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>
> > Signed-off-by: Minghsiu Tsai <minghsiu.tsai@...iatek.com>
Acked-by:Houlong Wei <houlong.wei@...iatek.com>
> >
> > ---
> >  drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | 18 +++++++++---------
> >  1 file changed, 9 insertions(+), 9 deletions(-)
> >
> > diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
> > index 13afe48..8ab7ca0 100644
> > --- a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
> > +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
> > @@ -837,12 +837,12 @@ static int mtk_mdp_m2m_g_selection(struct file *file, void *fh,
> >         struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
> >         bool valid = false;
> >
> > -       if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
> > -               if (mtk_mdp_is_target_compose(s->target))
> > -                       valid = true;
> > -       } else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
> > +       if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
> >                 if (mtk_mdp_is_target_crop(s->target))
> >                         valid = true;
> > +       } else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
> > +               if (mtk_mdp_is_target_compose(s->target))
> > +                       valid = true;
> >         }
> >         if (!valid) {
> >                 mtk_mdp_dbg(1, "[%d] invalid type:%d,%u", ctx->id, s->type,
> > @@ -907,12 +907,12 @@ static int mtk_mdp_m2m_s_selection(struct file *file, void *fh,
> >         int ret;
> >         bool valid = false;
> >
> > -       if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
> > -               if (s->target == V4L2_SEL_TGT_COMPOSE)
> > -                       valid = true;
> > -       } else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
> > +       if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
> >                 if (s->target == V4L2_SEL_TGT_CROP)
> >                         valid = true;
> > +       } else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
> > +               if (s->target == V4L2_SEL_TGT_COMPOSE)
> > +                       valid = true;
> >         }
> >         if (!valid) {
> >                 mtk_mdp_dbg(1, "[%d] invalid type:%d,%u", ctx->id, s->type,
> > @@ -925,7 +925,7 @@ static int mtk_mdp_m2m_s_selection(struct file *file, void *fh,
> >         if (ret)
> >                 return ret;
> >
> > -       if (mtk_mdp_is_target_crop(s->target))
> > +       if (mtk_mdp_is_target_compose(s->target))
> >                 frame = &ctx->s_frame;
> >         else
> >                 frame = &ctx->d_frame;
> > --
> > 1.9.1
> >