[Intel-gfx] [PATCH] drm/i915/selftest: Extend ctx_timestamp ICL workaround to GEN11

[Tvrtko Ursulin]

On 23/06/2021 08:21, Tejas Upadhyay wrote:
> EHL and JSL are also observing requirement for 80ns interval for
> CTX_TIMESTAMP thus extending it to GEN11.

If testing confirms this:

Acked-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

You only may need to change that INTEL_GEN to GRAPHICS_VER since I think 
that's the new thing now.

Regards,

Tvrtko

> Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay at intel.com>
> ---
>   drivers/gpu/drm/i915/gt/selftest_engine_pm.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_pm.c b/drivers/gpu/drm/i915/gt/selftest_engine_pm.c
> index 72cca3f0da21..d0afadf34649 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_engine_pm.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_engine_pm.c
> @@ -173,8 +173,8 @@ static int __live_engine_timestamps(struct intel_engine_cs *engine)
>   	d_ctx = trifilter(s_ctx);
>   
>   	d_ctx *= engine->gt->clock_frequency;
> -	if (IS_ICELAKE(engine->i915))
> -		d_ring *= 12500000; /* Fixed 80ns for icl ctx timestamp? */
> +	if (IS_GEN(engine->i915, 11))
> +		d_ring *= 12500000; /* Fixed 80ns for GEN11 ctx timestamp? */
>   	else
>   		d_ring *= engine->gt->clock_frequency;
>   
>