[igt-dev] [PATCH i-g-t v2 5/8] tests/fbcon_fbt: Add and use psr_long_wait_update() to test updates in PSR

[Souza, Jose]

On Tue, 2019-04-09 at 19:55 +0200, Maarten Lankhorst wrote:
> Op 27-03-2019 om 21:03 schreef José Roberto de Souza:
> > After getting back to fbcon it tests if PSR had a update but since
> > fbcon can take a while it have some big sleep in place, so what it
> > is actualy testing is if fbcon is updating the screen.
> > In this test the update of the screen comes from the fbcon cursor
> > blinking, the problem is that 40ms is a small interval to detect
> > cursor blinking and the test can fail some times, so a bigger
> > timeout
> > to wait for a update is need.
> > 
> > Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> > Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> > Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> > ---
> >  lib/igt_psr.c         | 5 +++++
> >  lib/igt_psr.h         | 1 +
> >  tests/kms_fbcon_fbt.c | 2 +-
> >  3 files changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/lib/igt_psr.c b/lib/igt_psr.c
> > index b5847bfd..b92ea73f 100644
> > --- a/lib/igt_psr.c
> > +++ b/lib/igt_psr.c
> > @@ -54,6 +54,11 @@ bool psr_wait_update(int debugfs_fd, enum
> > psr_mode mode)
> >  	return igt_wait(!psr_active_check(debugfs_fd, mode), 40, 10);
> >  }
> >  
> > +bool psr_long_wait_update(int debugfs_fd, enum psr_mode mode)
> > +{
> > +	return igt_wait(!psr_active_check(debugfs_fd, mode), 500, 10);
> > +}
> > +
> >  static ssize_t psr_write(int debugfs_fd, const char *buf)
> >  {
> >  	return igt_sysfs_write(debugfs_fd, "i915_edp_psr_debug", buf,
> > diff --git a/lib/igt_psr.h b/lib/igt_psr.h
> > index 49599cf8..ca385736 100644
> > --- a/lib/igt_psr.h
> > +++ b/lib/igt_psr.h
> > @@ -37,6 +37,7 @@ enum psr_mode {
> >  
> >  bool psr_wait_entry(int debugfs_fd, enum psr_mode mode);
> >  bool psr_wait_update(int debugfs_fd, enum psr_mode mode);
> > +bool psr_long_wait_update(int debugfs_fd, enum psr_mode mode);
> >  bool psr_enable(int debugfs_fd, enum psr_mode);
> >  bool psr_disable(int debugfs_fd);
> >  bool psr_sink_support(int debugfs_fd, enum psr_mode);
> > diff --git a/tests/kms_fbcon_fbt.c b/tests/kms_fbcon_fbt.c
> > index b57e5f51..0550034e 100644
> > --- a/tests/kms_fbcon_fbt.c
> > +++ b/tests/kms_fbcon_fbt.c
> > @@ -203,7 +203,7 @@ static bool psr_supported_on_chipset(int
> > debugfs_fd)
> >  
> >  static bool psr_wait_until_update(int debugfs_fd)
> >  {
> > -	return psr_wait_update(debugfs_fd, PSR_MODE_1);
> > +	return psr_long_wait_update(debugfs_fd, PSR_MODE_1);
> >  }
> >  
> >  static void disable_features(int debugfs_fd)
> 
> This patch and 4/8 should be merged? maybe merged with 3/8 as well?

Done, can you give a review to the squashed patch?

> 
> ~Maarten
> 
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