RE: [PATCH] drm/i915/psr: eDP Panel Replay is not supported on pipes other than A and B

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> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jouni
> Högander
> Sent: Monday, September 16, 2024 2:27 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Hogander, Jouni <jouni.hogander@xxxxxxxxx>
> Subject: [PATCH] drm/i915/psr: eDP Panel Replay is not supported on pipes
> other than A and B
> 
> Do not allow Panel Replay if pipe is other than A or B.
> 
> Bspec: 68920
> 
> Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2736
> Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>

Reviewed-by: Animesh Manna <animesh.manna@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 1a4ef231a53ca..699892b8c967a 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1582,6 +1582,10 @@ _panel_replay_compute_config(struct intel_dp
> *intel_dp,
> 
>  	/* Remaining checks are for eDP only */
> 
> +	if (to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_A &&
> +	    to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_B)
> +		return false;
> +
>  	/* 128b/132b Panel Replay is not supported on eDP */
>  	if (intel_dp_is_uhbr(crtc_state)) {
>  		drm_dbg_kms(display->drm,
> --
> 2.34.1





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