[PATCH v9 08/12] drm/i915/psr: Panel replay uses SRD_STATUS to track it's status

Manna, Animesh animesh.manna at intel.com
Thu May 9 15:13:47 UTC 2024



> -----Original Message-----
> From: Hogander, Jouni <jouni.hogander at intel.com>
> Sent: Friday, May 3, 2024 12:04 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: Manna, Animesh <animesh.manna at intel.com>; Hogander, Jouni
> <jouni.hogander at intel.com>
> Subject: [PATCH v9 08/12] drm/i915/psr: Panel replay uses SRD_STATUS to
> track it's status
> 
> DP Panel replay uses SRD_STATUS to track it's status despite selective update
> mode.
> 
> Bspec: 53370, 68920
> 
> v3:
>   - do not use PSR2_STATUS for PSR1
> v2:
>   - use intel_dp_is_edp to differentiate
>   - modify debugfs status as well
> 
> Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 5e5ef432b931..8f23df5cd5a8 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -2860,7 +2860,8 @@ void intel_psr_wait_for_idle_locked(const struct
> intel_crtc_state *new_crtc_stat
>  		if (!intel_dp->psr.enabled)
>  			continue;
> 
> -		if (intel_dp->psr.sel_update_enabled)
> +		if (intel_dp_is_edp(intel_dp) &&
> +		    intel_dp->psr.sel_update_enabled)

Why not using panel_replay_enabled check here? For edp panel replay selective update the above condition will be true, rt?

>  			ret =
> _psr2_ready_for_pipe_update_locked(intel_dp);
>  		else
>  			ret =
> _psr1_ready_for_pipe_update_locked(intel_dp);
> @@ -2881,7 +2882,8 @@ static bool __psr_wait_for_idle_locked(struct
> intel_dp *intel_dp)
>  	if (!intel_dp->psr.enabled)
>  		return false;
> 
> -	if (intel_dp->psr.sel_update_enabled) {
> +	if (!intel_dp->psr.panel_replay_enabled &&
> +	    intel_dp->psr.sel_update_enabled) {
>  		reg = EDP_PSR2_STATUS(cpu_transcoder);
>  		mask = EDP_PSR2_STATUS_STATE_MASK;
>  	} else {
> @@ -3500,7 +3502,7 @@ psr_source_status(struct intel_dp *intel_dp, struct
> seq_file *m)
>  	const char *status = "unknown";
>  	u32 val, status_val;
> 
> -	if (intel_dp->psr.sel_update_enabled) {
> +	if (intel_dp_is_edp(intel_dp) && intel_dp->psr.sel_update_enabled) {

Same as above.

Regards,
Animesh

>  		static const char * const live_status[] = {
>  			"IDLE",
>  			"CAPTURE",
> --
> 2.34.1



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