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

From: Dmitry Baryshkov
Date: Fri Jan 27 2023 - 05:46:35 EST


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