[igt-dev] [PATCH] tests/kms_content_protection: Skip on hdcp_sink_capability is not found.

[Mark Yacoub]

On Wed, Jun 9, 2021 at 3:15 PM Rodrigo Siqueira
<Rodrigo.Siqueira at amd.com> wrote:
>
> On 06/07, Mark Yacoub wrote:
> > From: Mark Yacoub <markyacoub at google.com>
> >
> > [Why]
> > In some configurations such as kernel 5.4 on Zork with no DP connected,
> > debugfs will not contain hdcp_sink_capability file.
> >
> > [How]
> > Check for hdcp_sink_capability but skip the test if file is not found.
> >
> > Tested on ChromeOS Zork Kernel 5.4
> > Signed-off-by: Mark Yacoub <markyacoub at chromium.org>
> > ---
> >  tests/kms_content_protection.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/tests/kms_content_protection.c b/tests/kms_content_protection.c
> > index 1d1a439a..a0a136da 100644
> > --- a/tests/kms_content_protection.c
> > +++ b/tests/kms_content_protection.c
> > @@ -402,6 +402,7 @@ static void test_content_protection_on_output(igt_output_t *output,
> >  static void __debugfs_read(int fd, const char *param, char *buf, int len)
> >  {
> >       len = igt_debugfs_simple_read(fd, param, buf, len);
> > +     igt_require(len != -ENOENT);
> >       if (len < 0)
> >               igt_assert_eq(len, -ENODEV);
> >  }
> > --
> > 2.32.0.rc1.229.g3e70b5a671-goog
> >
>
> Hi Mark,
>
> Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
>
> After applying this patch, which tests start to pass in your Zork
> system?
all the tests of kms_content_protection (except for srm that has
another fix in flight) stopped failing on Zork running
chromeos-kernel-5_4 with rootfs verification enabled and no external
display connected.
>
> + Bhawan
>
> Thanks
>
> --
> Rodrigo Siqueira
> https://siqueira.tech