Re: [PATCH i-g-t 2/5] kms_frontbuffer_tracking: Make sink crc mandatory only for PSR.

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2015-12-03 14:39 GMT-02:00 Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>:
> Unfortunately Sink CRC is not 100% reliable for all platforms.
> So we cannot block FBC tests nor skip them when we are getting
> unreliable Sink CRC results, or not getting them at all.
>
> Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
>  tests/kms_frontbuffer_tracking.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
> index c729cee..ddcec75 100644
> --- a/tests/kms_frontbuffer_tracking.c
> +++ b/tests/kms_frontbuffer_tracking.c
> @@ -1570,7 +1570,7 @@ static int adjust_assertion_flags(const struct test_mode *t, int flags)
>         return flags;
>  }
>
> -#define do_crc_assertions(flags) do {                                  \
> +#define do_crc_assertions(flags, mandatory_sink_crc) do {              \
>         int flags__ = (flags);                                          \
>         struct both_crcs crc_;                                          \
>                                                                         \
> @@ -1582,7 +1582,11 @@ static int adjust_assertion_flags(const struct test_mode *t, int flags)
>                                                                         \
>         igt_assert(wanted_crc);                                         \
>         igt_assert_crc_equal(&crc_.pipe, &wanted_crc->pipe);            \
> -       assert_sink_crc_equal(&crc_.sink, &wanted_crc->sink);           \
> +       if (mandatory_sink_crc)                                         \
> +               assert_sink_crc_equal(&crc_.sink, &wanted_crc->sink);   \
> +       else                                                            \
> +               if (!sink_crc_equal(&crc_.sink, &wanted_crc->sink))     \
> +                       igt_info("Sink CRC differ, but not required\n"); \
>  } while (0)
>
>  #define do_status_assertions(flags_) do {                              \
> @@ -1618,12 +1622,13 @@ static int adjust_assertion_flags(const struct test_mode *t, int flags)
>
>  #define do_assertions(flags) do {                                      \
>         int flags_ = adjust_assertion_flags(t, (flags));                \
> +       bool mandatory_sink_crc = t->feature & FEATURE_PSR;             \

You could have declared this inside the do_crc_assertions() macro,
making things a little simpler since we wouldn't need to pass the
parameter below.

With or without this:
Acked-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

>                                                                         \
>         wait_user(2, "Paused before assertions.");                      \
>                                                                         \
>         /* Check the CRC to make sure the drawing operations work       \
>          * immediately, independently of the features being enabled. */ \
> -       do_crc_assertions(flags_);                                      \
> +       do_crc_assertions(flags_, mandatory_sink_crc);                  \
>                                                                         \
>         /* Now we can flush things to make the test faster. */          \
>         do_flush(t);                                                    \
> @@ -1636,7 +1641,7 @@ static int adjust_assertion_flags(const struct test_mode *t, int flags)
>          * would only delay the test suite while adding no value to the \
>          * test suite. */                                               \
>         if (t->screen == SCREEN_PRIM)                                   \
> -               do_crc_assertions(flags_);                              \
> +               do_crc_assertions(flags_, mandatory_sink_crc);          \
>                                                                         \
>         if (fbc.supports_last_action && opt.fbc_check_last_action) {    \
>                 if (flags_ & ASSERT_LAST_ACTION_CHANGED)                \
> --
> 2.4.3
>
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-- 
Paulo Zanoni
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