Selective update doesn't work if SU start address is 0 and start/end SDP is configured to be sent prior to SU start/end lines. PSR2 has to be disabled in this case for Alder Lake.
HSDES: 22012279113 Cc: Mika Kahola <[email protected]> Cc: José Roberto de Souza <[email protected]> Signed-off-by: Jouni Högander <[email protected]> --- 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 6f03bf16d6f4..90d7cdd743be 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -811,7 +811,8 @@ static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_d if ((hblank_ns - req_ns) > 100) return true; - if (DISPLAY_VER(dev_priv) < 13 || intel_dp->edp_dpcd[0] < DP_EDP_14b) + /* Not supported <13 / Wa_22012279113:adl-p */ + if (DISPLAY_VER(dev_priv) <= 13 || intel_dp->edp_dpcd[0] < DP_EDP_14b) return false; crtc_state->req_psr2_sdp_prior_scanline = true; -- 2.34.1
