From d6d4dc22d50312132ea312f1074e4367e219254c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 16 Jan 2025 22:16:32 +0200 Subject: [PATCH] drm/i915: Update TRANS_SET_CONTEXT_LATENCY during LRR updates MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Update TRANS_SET_CONTEXT_LATENCY in intel_set_transcoder_timings_lrr() as well. While for actual LRR updates this should not change, I want to reuse this code to also sanitize the vblank delay during boot, and in that case we do need to update this. Cc: Paz Zcharya Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-4-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_display.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 29879ad0ed56..e6501143ab7c 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2930,6 +2930,10 @@ static void intel_set_transcoder_timings_lrr(const struct intel_crtc_state *crtc } if (DISPLAY_VER(dev_priv) >= 13) { + intel_de_write(dev_priv, + TRANS_SET_CONTEXT_LATENCY(dev_priv, cpu_transcoder), + crtc_vblank_start - crtc_vdisplay); + /* * VBLANK_START not used by hw, just clear it * to make it stand out in register dumps. -- 2.50.1