Re: [RFC v2 2/6] drm/i915/scaler: Add member to track scaler user

["Nautiyal, Ankit K" <ankit.k.nautiyal@intel.com>]

On 12/17/2024 11:37 PM, Mitul Golani wrote:
> Add enum to track scaler user, this differenciates between
> the current user of scaler, either plane scaler/pipe scaler or
> in case no scaler is used.
>
> Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
> ---
>   drivers/gpu/drm/i915/display/intel_display_types.h | 7 +++++++
>   drivers/gpu/drm/i915/display/skl_scaler.c          | 1 +
>   2 files changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index 28b2861df42b..f39215c70ca7 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -707,11 +707,18 @@ struct intel_initial_plane_config {
>   	u8 rotation;
>   };
>   
> +enum scaler_users {
> +	SKL_NO_SCALER,
> +	SKL_PIPE_SCALER,
> +	SKL_PLANE_SCALER,
> +};

This is not required, we can use the flag 'scaler_users'.

Also as I see, this is not used in the series.

Regards,

Ankit

> +
>   struct intel_scaler {
>   	u32 mode;
>   	bool in_use;
>   	int hscale;
>   	int vscale;
> +	int user;
>   };
>   
>   struct intel_crtc_scaler_state {
> diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c
> index e00c6830ef65..e113c6ba4de7 100644
> --- a/drivers/gpu/drm/i915/display/skl_scaler.c
> +++ b/drivers/gpu/drm/i915/display/skl_scaler.c
> @@ -426,6 +426,7 @@ static int intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_stat
>   
>   		scaler_state->scalers[*scaler_id].hscale = hscale;
>   		scaler_state->scalers[*scaler_id].vscale = vscale;
> +		scaler_state->scalers[*scaler_id].user = SKL_PLANE_SCALER;
>   	}
>   
>   	drm_dbg_kms(display->drm, "Attached scaler id %u.%u to %s:%d\n",