> -----Original Message-----
> From: Hogander, Jouni <jouni.hogander@xxxxxxxxx>
> Sent: Friday, May 3, 2024 12:04 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Manna, Animesh <animesh.manna@xxxxxxxxx>; Hogander, Jouni
> <jouni.hogander@xxxxxxxxx>
> Subject: [PATCH v9 06/12] drm/i915/psr: Detect panel replay selective update
> support
>
> Add new boolean to store panel replay selective update support of sink into
> intel_psr struct. Detect panel replay selective update support and store it
> into this new boolean.
>
> v3: Clear sink_panel_replay_su_support in intel_dp_detect
> v2: Merge adding new boolean into this patch
>
> Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
Reviewed-by: Animesh Manna <animesh.manna@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
> drivers/gpu/drm/i915/display/intel_dp.c | 1 +
> drivers/gpu/drm/i915/display/intel_psr.c | 10 ++++++++--
> 3 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
> b/drivers/gpu/drm/i915/display/intel_display_types.h
> index 150e6c8e0320..a693728f8344 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -1719,6 +1719,7 @@ 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 5731aa84992e..180f23f7b383 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5858,6 +5858,7 @@ intel_dp_detect(struct drm_connector *connector,
> memset(&intel_dp->compliance, 0, sizeof(intel_dp-
> >compliance));
> memset(intel_connector->dp.dsc_dpcd, 0,
> sizeof(intel_connector->dp.dsc_dpcd));
> intel_dp->psr.sink_panel_replay_support = false;
> + intel_dp->psr.sink_panel_replay_su_support = false;
>
> intel_dp_mst_disconnect(intel_dp);
>
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index af18728460c9..b94f8e33ed1f 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -520,9 +520,15 @@ static void _panel_replay_init_dpcd(struct intel_dp
> *intel_dp)
> return;
> }
>
> - drm_dbg_kms(&i915->drm,
> - "Panel replay is supported by panel\n");
> intel_dp->psr.sink_panel_replay_support = true;
> +
> + if (pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT)
> + intel_dp->psr.sink_panel_replay_su_support = true;
> +
> + drm_dbg_kms(&i915->drm,
> + "Panel replay %sis supported by panel\n",
> + intel_dp->psr.sink_panel_replay_su_support ?
> + "selective_update " : "");
> }
>
> static void _psr_init_dpcd(struct intel_dp *intel_dp)
> --
> 2.34.1
