[Intel-gfx] [PATCH] drm/i915/guc/slpc: Correct the param count for unset param

[Tvrtko Ursulin]

On 16/02/2022 18:15, Vinay Belgaumkar wrote:
> SLPC unset param H2G only needs one parameter - the id of the
> param.
> 
> Fixes: 025cb07bebfa ("drm/i915/guc/slpc: Cache platform frequency limits")

How serious is this? Does it need backporting? If so:

Cc: <stable at vger.kernel.org> # v5.15+

?

Regards,

Tvrtko

> Suggested-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>
> ---
>   drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> index 13b27b8ff74e..ba21ace973da 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c
> @@ -110,7 +110,7 @@ static int guc_action_slpc_unset_param(struct intel_guc *guc, u8 id)
>   {
>   	u32 request[] = {
>   		GUC_ACTION_HOST2GUC_PC_SLPC_REQUEST,
> -		SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 2),
> +		SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 1),
>   		id,
>   	};
>