On Fri, Nov 21, 2025 at 01:16:54PM +0200, Jouni Högander wrote:
> As a preparation for MST Panel Replay we need to move Panel Replay sink
> related data into intel_connector. Move sink support booleans as well
> into intel_connector. Generally this is more correct place for this data so
> move PSR versions as well.
> 
> Still sink_support and sink_panel_replay_support are kept to keep CAN_PSR
> and CAN_PANEL_REPLAY macros.

Would be good to mention what's the plan with these macros (they'll take
a connector instead of an intel_dp pointer?)

> 
> Signed-off-by: Jouni Högander <[email protected]>
> ---
>  .../drm/i915/display/intel_display_types.h    |  7 ++-
>  drivers/gpu/drm/i915/display/intel_dp.c       |  4 +-
>  drivers/gpu/drm/i915/display/intel_psr.c      | 44 +++++++++++--------
>  3 files changed, 33 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
> b/drivers/gpu/drm/i915/display/intel_display_types.h
> index e1d47496ea4de..04d21333130f9 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -572,6 +572,8 @@ struct intel_connector {
>               } dsc_branch_caps;
>  
>               struct {
> +                     bool support;
> +                     bool su_support;
>                       enum intel_panel_replay_dsc_support dsc_support;
>  
>                       u16 su_w_granularity;
> @@ -579,6 +581,9 @@ struct intel_connector {
>               } panel_replay_caps;
>  
>               struct {
> +                     bool support;
> +                     bool su_support;
> +
>                       u16 su_w_granularity;
>                       u16 su_y_granularity;
>               } psr_caps;
> @@ -1729,7 +1734,6 @@ struct intel_psr {
>       bool active;
>       struct work_struct work;
>       unsigned int busy_frontbuffer_bits;
> -     bool sink_psr2_support;
>       bool link_standby;
>       bool sel_update_enabled;
>       bool psr2_sel_fetch_enabled;
> @@ -1745,7 +1749,6 @@ struct intel_psr {
>       u16 su_y_granularity;
>       bool source_panel_replay_support;
>       bool sink_panel_replay_support;
> -     bool sink_panel_replay_su_support;
>       bool panel_replay_enabled;
>       u32 dc3co_exitline;
>       u32 dc3co_exit_delay;
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index d32f476c288c1..2452302937c73 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -6052,10 +6052,12 @@ intel_dp_detect(struct drm_connector *_connector,
>               memset(connector->dp.dsc_dpcd, 0, 
> sizeof(connector->dp.dsc_dpcd));
>               memset(connector->dp.pr_dpcd, 0, sizeof(connector->dp.pr_dpcd));
>               intel_dp->psr.sink_panel_replay_support = false;
> -             intel_dp->psr.sink_panel_replay_su_support = false;
> +             connector->dp.panel_replay_caps.support = false;
> +             connector->dp.panel_replay_caps.su_support = false;

What about resetting PSR counterparts?

>               connector->dp.panel_replay_caps.dsc_support =
>                       INTEL_DP_PANEL_REPLAY_DSC_NOT_SUPPORTED;
>  
> +

Extra w/s.

>               intel_dp_mst_disconnect(intel_dp);
>  
>               intel_dp_tunnel_disconnect(intel_dp);
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c 
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 4bae39f745ea0..e6268d692f89d 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -635,11 +635,12 @@ static void _panel_replay_init_dpcd(struct intel_dp 
> *intel_dp, struct intel_conn
>               }
>       }
>  
> +     connector->dp.panel_replay_caps.support = true;
>       intel_dp->psr.sink_panel_replay_support = true;
>  
>       if 
> (connector->dp.pr_dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)] &
>           DP_PANEL_REPLAY_SU_SUPPORT) {
> -             intel_dp->psr.sink_panel_replay_su_support = true;
> +             connector->dp.panel_replay_caps.su_support = true;
>  
>               _panel_replay_compute_su_granularity(intel_dp, connector);
>       }
> @@ -648,7 +649,7 @@ static void _panel_replay_init_dpcd(struct intel_dp 
> *intel_dp, struct intel_conn
>  
>       drm_dbg_kms(display->drm,
>                   "Panel replay %sis supported by panel (in DSC mode: %s)\n",
> -                 intel_dp->psr.sink_panel_replay_su_support ?
> +                 connector->dp.panel_replay_caps.su_support ?
>                   "selective_update " : "",
>                   
> panel_replay_dsc_support_str(connector->dp.panel_replay_caps.dsc_support));
>  }
> @@ -681,7 +682,9 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp, 
> struct intel_connector *co
>               return;
>       }
>  
> +     connector->dp.psr_caps.support = true;
>       intel_dp->psr.sink_support = true;
> +
>       intel_dp->psr.sink_sync_latency =
>               intel_dp_get_sink_sync_latency(intel_dp);
>  
> @@ -701,13 +704,13 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp, 
> struct intel_connector *co
>                * Y-coordinate requirement panels we would need to enable
>                * GTC first.
>                */
> -             intel_dp->psr.sink_psr2_support = y_req &&
> +             connector->dp.psr_caps.su_support = y_req &&
>                       intel_alpm_aux_wake_supported(intel_dp);
>               drm_dbg_kms(display->drm, "PSR2 %ssupported\n",
> -                         intel_dp->psr.sink_psr2_support ? "" : "not ");
> +                         connector->dp.psr_caps.su_support ? "" : "not ");
>       }
>  
> -     if (intel_dp->psr.sink_psr2_support)
> +     if (connector->dp.psr_caps.su_support)
>               _psr_compute_su_granularity(intel_dp, connector);
>  }
>  
> @@ -1522,14 +1525,16 @@ static bool alpm_config_valid(struct intel_dp 
> *intel_dp,
>  }
>  
>  static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
> -                                 struct intel_crtc_state *crtc_state)
> +                                 struct intel_crtc_state *crtc_state,
> +                                 struct drm_connector_state *conn_state)
>  {
>       struct intel_display *display = to_intel_display(intel_dp);
> +     struct intel_connector *connector = 
> to_intel_connector(conn_state->connector);
>       int crtc_hdisplay = crtc_state->hw.adjusted_mode.crtc_hdisplay;
>       int crtc_vdisplay = crtc_state->hw.adjusted_mode.crtc_vdisplay;
>       int psr_max_h = 0, psr_max_v = 0, max_bpp = 0;
>  
> -     if (!intel_dp->psr.sink_psr2_support || display->params.enable_psr == 1)
> +     if (!connector->dp.psr_caps.su_support || display->params.enable_psr == 
> 1)
>               return false;
>  
>       /* JSL and EHL only supports eDP 1.3 */
> @@ -1642,7 +1647,8 @@ static bool intel_sel_update_config_valid(struct 
> intel_dp *intel_dp,
>               goto unsupported;
>       }
>  
> -     if (!crtc_state->has_panel_replay && !intel_psr2_config_valid(intel_dp, 
> crtc_state))
> +     if (!crtc_state->has_panel_replay && !intel_psr2_config_valid(intel_dp, 
> crtc_state,
> +                                                                   
> conn_state))
>               goto unsupported;
>  
>       if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) 
> {
> @@ -1655,7 +1661,7 @@ static bool intel_sel_update_config_valid(struct 
> intel_dp *intel_dp,
>               if (DISPLAY_VER(display) < 14)
>                       goto unsupported;
>  
> -             if (!intel_dp->psr.sink_panel_replay_su_support)
> +             if (!connector->dp.panel_replay_caps.su_support)
>                       goto unsupported;
>  
>               if (intel_dsc_enabled_on_link(crtc_state) &&
> @@ -1744,6 +1750,9 @@ static bool _panel_replay_compute_config(struct 
> intel_dp *intel_dp,
>       if (!CAN_PANEL_REPLAY(intel_dp))
>               return false;
>  
> +     if (!connector->dp.panel_replay_caps.support)
> +             return false;
> +
>       if (!panel_replay_global_enabled(intel_dp)) {
>               drm_dbg_kms(display->drm, "Panel Replay disabled by flag\n");
>               return false;
> @@ -4128,22 +4137,19 @@ psr_source_status(struct intel_dp *intel_dp, struct 
> seq_file *m)
>       seq_printf(m, "Source PSR/PanelReplay status: %s [0x%08x]\n", status, 
> val);
>  }
>  
> -static void intel_psr_sink_capability(struct intel_dp *intel_dp,
> -                                   struct intel_connector *connector,
> +static void intel_psr_sink_capability(struct intel_connector *connector,
>                                     struct seq_file *m)
>  {
> -     struct intel_psr *psr = &intel_dp->psr;
> -
>       seq_printf(m, "Sink support: PSR = %s",
> -                str_yes_no(psr->sink_support));
> +                str_yes_no(connector->dp.psr_caps.support));
>  
> -     if (psr->sink_support)
> +     if (connector->dp.psr_caps.support)
>               seq_printf(m, " [0x%02x]", connector->dp.psr_dpcd[0]);
>       if (connector->dp.psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_ET_SUPPORTED)
>               seq_printf(m, " (Early Transport)");
> -     seq_printf(m, ", Panel Replay = %s", 
> str_yes_no(psr->sink_panel_replay_support));
> +     seq_printf(m, ", Panel Replay = %s", 
> str_yes_no(connector->dp.panel_replay_caps.support));
>       seq_printf(m, ", Panel Replay Selective Update = %s",
> -                str_yes_no(psr->sink_panel_replay_su_support));
> +                str_yes_no(connector->dp.panel_replay_caps.su_support));
>       seq_printf(m, ", Panel Replay DSC support = %s",
>                  
> panel_replay_dsc_support_str(connector->dp.panel_replay_caps.dsc_support));
>       if 
> (connector->dp.pr_dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)] &
> @@ -4194,9 +4200,9 @@ static int intel_psr_status(struct seq_file *m, struct 
> intel_dp *intel_dp,
>       bool enabled;
>       u32 val, psr2_ctl;
>  
> -     intel_psr_sink_capability(intel_dp, connector, m);
> +     intel_psr_sink_capability(connector, m);
>  
> -     if (!(psr->sink_support || psr->sink_panel_replay_support))
> +     if (!(connector->dp.psr_caps.support || 
> connector->dp.panel_replay_caps.support))
>               return 0;
>  
>       wakeref = intel_display_rpm_get(display);
> -- 
> 2.43.0
> 

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