Re: [PATCH 2/3] drm/msm/disp/dpu1: add dspps into reservation if there is a ctm request

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On Fri, 27 Jan 2023 at 12:15, Kalyan Thota <quic_kalyant@xxxxxxxxxxx> wrote:
>
> Add dspp blocks into the topology for reservation, if there is a ctm
> request for that composition.

... rather than just allocating them for DSI encoders.

With this fixed (and one nit below):

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

>
> Signed-off-by: Kalyan Thota <quic_kalyant@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 9c6817b..8d76cb3 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -545,7 +545,8 @@ bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc)
>  static struct msm_display_topology dpu_encoder_get_topology(
>                         struct dpu_encoder_virt *dpu_enc,
>                         struct dpu_kms *dpu_kms,
> -                       struct drm_display_mode *mode)
> +                       struct drm_display_mode *mode,
> +                       struct drm_crtc_state *crtc_state)
>  {
>         struct msm_display_topology topology = {0};
>         int i, intf_count = 0;
> @@ -573,11 +574,9 @@ static struct msm_display_topology dpu_encoder_get_topology(
>         else
>                 topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1;
>
> -       if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI) {
> -               if (dpu_kms->catalog->dspp &&
> -                       (dpu_kms->catalog->dspp_count >= topology.num_lm))
> -                       topology.num_dspp = topology.num_lm;
> -       }
> +       if (dpu_kms->catalog->dspp && crtc_state->ctm &&

Could you please move the second condition to a separate line? Also
possibly it would be good to indent the conditions to the opening
parenthesis.

> +               (dpu_kms->catalog->dspp_count >= topology.num_lm))
> +               topology.num_dspp = topology.num_lm;
>
>         topology.num_enc = 0;
>         topology.num_intf = intf_count;
> @@ -643,7 +642,7 @@ static int dpu_encoder_virt_atomic_check(
>                 }
>         }
>
> -       topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode);
> +       topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode, crtc_state);
>
>         /* Reserve dynamic resources now. */
>         if (!ret) {
> --
> 2.7.4
>


-- 
With best wishes
Dmitry



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