[PATCH i-g-t 1/2] lib/igt_psr: Allow testing without checking sink status

[B, Jeevan]

> -----Original Message-----
> From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of Jouni
> Högander
> Sent: Thursday, September 26, 2024 12:35 PM
> To: igt-dev at lists.freedesktop.org
> Cc: Naladala, Ramanaidu <ramanaidu.naladala at intel.com>; Hogander, Jouni
> <jouni.hogander at intel.com>
> Subject: [PATCH i-g-t 1/2] lib/igt_psr: Allow testing without checking sink
> status
> 
> We are currently seeing problems with DP2.1 display emulator devices as
> sink Panel Replay status is not updating as expected. For this purpose use
> environment variable (IGT_PSR_IGNORE_SINK_STATUS) to disable checking
> sink status completely.
> 
> Signed-off-by: Jouni Högander <jouni.hogander at intel.com>

Seeing lot of tests failing which were passing previously, Not sure it is related to this change please check. 
> ---
>  lib/igt_psr.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/igt_psr.c b/lib/igt_psr.c index d14a93534..963385967 100644
> --- a/lib/igt_psr.c
> +++ b/lib/igt_psr.c
> @@ -85,6 +85,7 @@ static bool psr_active_check(int debugfs_fd, enum
> psr_mode mode, igt_output_t *o
>  	char buf[PSR_STATUS_MAX_LEN];
>  	drmModeConnector *c;
>  	const char *state;
> +	const char *env;
>  	bool active;
>  	int ret;
> 
> @@ -114,7 +115,9 @@ static bool psr_active_check(int debugfs_fd, enum
> psr_mode mode, igt_output_t *o
>  	igt_skip_on(strstr(buf, "PSR sink not reliable: yes"));
> 
>  	active = strstr(buf, state);
> -	if (active && output)
> +
> +	env = getenv("IGT_PANEL_REPLAY_IGNORE_SINK_STATUS");
> +	if (active && output && (!env || !atoi(env)))
>  		active = psr_active_sink_check(debugfs_fd, output);
> 
>  	return active;
> --
> 2.34.1