From: Daniel Vetter <daniel@ffwll.ch>
To: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/1] tests/gem_seqno_wrap: verify debugfs write with readback
Date: Thu, 11 Apr 2013 17:27:04 +0200 [thread overview]
Message-ID: <20130411152704.GO27612@phenom.ffwll.local> (raw)
In-Reply-To: <1365685888-6089-1-git-send-email-mika.kuoppala@intel.com>
On Thu, Apr 11, 2013 at 04:11:28PM +0300, Mika Kuoppala wrote:
> Make sure that debugfs entry works as expected by reading
> back the sequence number that was written.
>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Merged, thanks.
-Daniel
> ---
> tests/gem_seqno_wrap.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/tests/gem_seqno_wrap.c b/tests/gem_seqno_wrap.c
> index 43e3851..776dedc 100644
> --- a/tests/gem_seqno_wrap.c
> +++ b/tests/gem_seqno_wrap.c
> @@ -438,6 +438,7 @@ static int write_seqno(uint32_t seqno)
> int fh;
> char buf[32];
> int r;
> + uint32_t rb;
>
> if (options.dontwrap)
> return 0;
> @@ -457,6 +458,15 @@ static int write_seqno(uint32_t seqno)
> if (options.verbose)
> printf("next_seqno set to: 0x%x\n", seqno);
>
> + r = __read_seqno(&rb);
> + if (r < 0)
> + return r;
> +
> + if (rb != seqno) {
> + printf("seqno readback differs rb:0x%x vs w:0x%x\n", rb, seqno);
> + return -1;
> + }
> +
> return 0;
> }
>
> --
> 1.7.9.5
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
prev parent reply other threads:[~2013-04-11 15:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-11 13:11 [PATCH 1/1] tests/gem_seqno_wrap: verify debugfs write with readback Mika Kuoppala
2013-04-11 15:27 ` Daniel Vetter [this message]
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