[igt-dev] [PATCH i-g-t] tests/i915: Take into account fbc_status "stolen memory not initialised"

[Hogander, Jouni]

On Mon, 2023-08-21 at 13:06 +0300, Juha-Pekka Heikkila wrote:
> Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

Thank you for the review. This is now merged.

BR,

Jouni Högander
> 
> On 18.8.2023 11.08, Jouni Högander wrote:
> > Earlier non initialized memory caused fbc_status debugfs interface
> > not
> > being created at all. This was considered as "Unsupported chipset"
> > by
> > certain igt testcases. Now fbc_status is informing "stolen memory
> > not
> > initialised". Consider this again as "Unsupported chipset"
> > 
> > Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9131
> > Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
> > ---
> >   tests/i915/kms_fbcon_fbt.c            | 3 ++-
> >   tests/i915/kms_frontbuffer_tracking.c | 3 ++-
> >   2 files changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/tests/i915/kms_fbcon_fbt.c
> > b/tests/i915/kms_fbcon_fbt.c
> > index e65cbda93..2cb0ffdb4 100644
> > --- a/tests/i915/kms_fbcon_fbt.c
> > +++ b/tests/i915/kms_fbcon_fbt.c
> > @@ -103,7 +103,8 @@ static bool fbc_supported_on_chipset(int
> > device, int debugfs_fd)
> >         if (ret < 0)
> >                 return false;
> >   
> > -       return !strstr(buf, "FBC unsupported on this chipset\n");
> > +       return !strstr(buf, "FBC unsupported on this chipset\n") &&
> > +               !strstr(buf, "stolen memory not initialised\n");
> >   }
> >   
> >   static bool connector_can_fbc(drmModeConnectorPtr connector)
> > diff --git a/tests/i915/kms_frontbuffer_tracking.c
> > b/tests/i915/kms_frontbuffer_tracking.c
> > index 3e8f15bb0..136426204 100644
> > --- a/tests/i915/kms_frontbuffer_tracking.c
> > +++ b/tests/i915/kms_frontbuffer_tracking.c
> > @@ -1444,7 +1444,8 @@ static bool fbc_supported_on_chipset(void)
> >         if (*buf == '\0')
> >                 return false;
> >   
> > -       return !strstr(buf, "FBC unsupported on this chipset\n");
> > +       return !strstr(buf, "FBC unsupported on this chipset\n") &&
> > +               !strstr(buf, "stolen memory not initialised\n");
> >   }
> >   
> >   static void setup_fbc(void)
>