[igt-dev] [i-g-t] lib/i915: Fix the check for scheduler caps for timeslicing

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Thu Jul 15 11:02:33 UTC 2021


On 14/07/2021 12:51, Tejas Upadhyay wrote:
> Semaphore and preemption both are required and the check
> was missing required check logic.
> 
> Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay at intel.com>
> ---
>   lib/i915/gem_scheduler.c | 10 +++++-----
>   1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/lib/i915/gem_scheduler.c b/lib/i915/gem_scheduler.c
> index 6dfa3676..cdddf42a 100644
> --- a/lib/i915/gem_scheduler.c
> +++ b/lib/i915/gem_scheduler.c
> @@ -140,9 +140,11 @@ bool gem_scheduler_has_engine_busy_stats(int fd)
>    */
>   bool gem_scheduler_has_timeslicing(int fd)
>   {
> -	return ((gem_scheduler_capability(fd) &
> +	return (((gem_scheduler_capability(fd) &
>   	        (I915_SCHEDULER_CAP_PREEMPTION |
> -		 I915_SCHEDULER_CAP_SEMAPHORES))
> +		 I915_SCHEDULER_CAP_SEMAPHORES)) ==
> +		(I915_SCHEDULER_CAP_PREEMPTION |
> +		I915_SCHEDULER_CAP_SEMAPHORES))
>   		|| gem_has_guc_submission(fd));
>   }
>   
> @@ -168,8 +170,6 @@ void gem_scheduler_print_capability(int fd)
>   		igt_info(" - With HW semaphores enabled\n");
>   	if (caps & I915_SCHEDULER_CAP_ENGINE_BUSY_STATS)
>   		igt_info(" - With engine busy statistics\n");
> -	if ((caps & (I915_SCHEDULER_CAP_PREEMPTION
> -		  | I915_SCHEDULER_CAP_SEMAPHORES))
> -		|| gem_has_guc_submission(fd))
> +	if (gem_scheduler_has_timeslicing(fd))
>   		igt_info(" - With timeslicing enabled\n");
>   }
> 

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

Regards,

Tvrtko


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