Em Qua, 2017-10-25 às 17:37 -0700, Dhinakaran Pandiyan escreveu:
> The frontbuffer_tracking PSR tests fail if PSR cannot be activated
> when
> there is sink support. But, there are several other requirements
> related to
> mode timings that have to be satisfied before PSR can be enabled. No
> reason
> to fail these tests when PSR cannot be enabled.
>
> Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> ---
> tests/kms_frontbuffer_tracking.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/tests/kms_frontbuffer_tracking.c
> b/tests/kms_frontbuffer_tracking.c
> index a068c8af..13c948de 100644
> --- a/tests/kms_frontbuffer_tracking.c
> +++ b/tests/kms_frontbuffer_tracking.c
> @@ -1548,12 +1548,12 @@ static void teardown_fbc(void)
> {
> }
>
> -static bool psr_sink_has_support(void)
> +static bool psr_has_support(void)
> {
> char buf[256];
>
> debugfs_read("i915_edp_psr_status", buf);
> - return strstr(buf, "Sink_Support: yes\n");
> + return strstr(buf, "Enabled: yes\n");
What if PSR can be enabled but is just not enabled due to a bug?
I suppose we could print on debugfs whether source+sink support equals
yes.
> }
>
> static void setup_psr(void)
> @@ -1564,8 +1564,8 @@ static void setup_psr(void)
> return;
> }
>
> - if (!psr_sink_has_support()) {
> - igt_info("Can't test PSR: not supported by
> sink.\n");
> + if (!psr_has_support()) {
> + igt_info("Can't test PSR: not supported.\n");
> return;
> }
> psr.can_test = true;
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