From: Jouni Högander Date: Fri, 7 Jun 2024 13:49:16 +0000 (+0300) Subject: drm/i915/psr: Check vblank against IO buffer wake time on Lunarlake X-Git-Tag: v6.11-rc1~141^2~20^2~63 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99fcf463903d5236e6e693230c142284a1e19164;p=thirdparty%2Fkernel%2Flinux.git drm/i915/psr: Check vblank against IO buffer wake time on Lunarlake As Lunarlake doesn't have block count configuration vblank should be checked against IO buffer wake time. Bspec: 68920 Signed-off-by: Jouni Högander Reviewed-by: Animesh Manna Link: https://patchwork.freedesktop.org/patch/msgid/20240607134917.1327574-13-jouni.hogander@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 7ee03bf924c4b..658216d50fdd2 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 wake_lines_fit_into_vblank(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;