[Intel-gfx] [PATCH 4/4] drm/i915/guc: Use correct name for last CT fence

[Daniele Ceraolo Spurio]

On 1/11/2020 3:11 PM, Michal Wajdeczko wrote:
> While we have function that returns "next fence" that can be used
> by new CT request, we internally store value of the last used fence.
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>

Daniele

> ---
>   drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 2 +-
>   drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> index 1da69425029b..73f617cbcf55 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> @@ -290,7 +290,7 @@ void intel_guc_ct_disable(struct intel_guc_ct *ct)
>   static u32 ct_get_next_fence(struct intel_guc_ct *ct)
>   {
>   	/* For now it's trivial */
> -	return ++ct->requests.next_fence;
> +	return ++ct->requests.last_fence;
>   }
>   
>   /**
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
> index 3e7fe237cfa5..97913bbb8be3 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
> @@ -49,7 +49,7 @@ struct intel_guc_ct {
>   	struct intel_guc_ct_buffer ctbs[2];
>   
>   	struct {
> -		u32 next_fence; /* fence to be used with next request to send */
> +		u32 last_fence; /* last fence used to send request */
>   
>   		spinlock_t lock; /* protects pending requests list */
>   		struct list_head pending; /* requests waiting for response */