RE: [PATCH] drm/i915/psr: Fix drm_WARN_ON in intel_psr_disable

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> -----Original Message-----
> From: Intel-xe <intel-xe-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jouni
> Högander
> Sent: Thursday, February 13, 2025 4:46 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; intel-xe@xxxxxxxxxxxxxxxxxxxxx
> Cc: Hogander, Jouni <jouni.hogander@xxxxxxxxx>
> Subject: [PATCH] drm/i915/psr: Fix drm_WARN_ON in intel_psr_disable
> 
> Currently intel_psr_disable is dumping out warning if PSR is not supported. On
> monitor supporting only Panel Replay we are seeing this warning. Fix this by
> checking Panel Replay support as well.

LGTM,
Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>

Note: Should we be looking into separating the code for panel replay and psr with functions being
Shared between the two files ? Will make going through the code much easier. Just wondering if that
Makes sense in the future >

> 
> Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 861e50ceef85..c77eb1ba3db3 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -2186,7 +2186,8 @@ void intel_psr_disable(struct intel_dp *intel_dp,
>  	if (!old_crtc_state->has_psr)
>  		return;
> 
> -	if (drm_WARN_ON(display->drm, !CAN_PSR(intel_dp)))
> +	if (drm_WARN_ON(display->drm, !CAN_PSR(intel_dp) &&
> +			!CAN_PANEL_REPLAY(intel_dp))
)
>  		return;
> 
>  	mutex_lock(&intel_dp->psr.lock);
> --
> 2.43.0





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