As Lunarlake doesn't have block count configuration vblank should be checked against IO buffer wake time.
Bspec: 68920 Signed-off-by: Jouni Högander <[email protected]> --- drivers/gpu/drm/i915/display/intel_psr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 471b60032304..c9fcb25184ee 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1246,9 +1246,13 @@ static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp, static bool vblank_length_valid(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); int vblank = crtc_state->hw.adjusted_mode.crtc_vblank_end - crtc_state->hw.adjusted_mode.crtc_vblank_start; - int wake_lines = psr2_block_count_lines(intel_dp); + int wake_lines; + + wake_lines = DISPLAY_VER(i915) < 20 ? psr2_block_count_lines(intel_dp) : + intel_dp->alpm_parameters.io_wake_lines; if (crtc_state->req_psr2_sdp_prior_scanline) vblank -= 1; -- 2.34.1
