> -----Original Message-----
> From: Hogander, Jouni <jouni.hogander@xxxxxxxxx>
> Sent: Friday, January 19, 2024 3:40 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Manna, Animesh <animesh.manna@xxxxxxxxx>; Hogander, Jouni
> <jouni.hogander@xxxxxxxxx>
> Subject: [PATCH v3 14/21] 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.
>
> 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_psr.c | 10 ++++++++--
> 2 files changed, 9 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 6cef3dabcf45..1c870ff8b27e 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -1720,6 +1720,7 @@ 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_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 34bc0a4c1ba2..8bf6d0754c18 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
