On 2023-02-13 03:11:42, Kalyan Thota wrote:
> Add DSPP blocks into the topology for reservation, if there
> is a CTM request for that composition.
>
> Signed-off-by: Kalyan Thota <quic_kalyant@xxxxxxxxxxx>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
> Changes in v1:
> - Minor nits (Dmitry)
>
> Changes in v2:
> - Populate DSPPs into the reservation only if CTM is requested (Dmitry)
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 15 ++++++---------
> 1 file changed, 6 insertions(+), 9 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..46d2a5c 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;
> @@ -563,8 +564,7 @@ static struct msm_display_topology dpu_encoder_get_topology(
> * 1 LM, 1 INTF
> * 2 LM, 1 INTF (stream merge to support high resolution interfaces)
> *
> - * Adding color blocks only to primary interface if available in
> - * sufficient number
> + * Add dspps to the reservation requirements if ctm is requested
> */
> if (intf_count == 2)
> topology.num_lm = 2;
> @@ -573,11 +573,8 @@ 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 (crtc_state->ctm)
> + topology.num_dspp = topology.num_lm;
>
> topology.num_enc = 0;
> topology.num_intf = intf_count;
> @@ -643,7 +640,7 @@ 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
>
