As per Bspec:68925: Push enable must be set if not configuring for a fixed refresh rate (i.e Vmin == Flipline == Vmax is not true). Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_vrr.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 6736e8a44faa..a771706d80df 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -317,7 +317,7 @@ void intel_vrr_send_push(const struct intel_crtc_state *crtc_state) struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (!crtc_state->vrr.enable) + if (!crtc_state->vrr.enable || crtc_state->vrr.fixed_rr) return; intel_de_write(dev_priv, TRANS_PUSH(dev_priv, cpu_transcoder), @@ -330,7 +330,7 @@ bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state) struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (!crtc_state->vrr.enable) + if (!crtc_state->vrr.enable || crtc_state->vrr.fixed_rr) return false; return intel_de_read(dev_priv, TRANS_PUSH(dev_priv, cpu_transcoder)) & TRANS_PUSH_SEND; @@ -344,8 +344,9 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state) if (!crtc_state->vrr.enable) return; - intel_de_write(dev_priv, TRANS_PUSH(dev_priv, cpu_transcoder), - TRANS_PUSH_EN); + if (!crtc_state->vrr.fixed_rr) + intel_de_write(dev_priv, TRANS_PUSH(dev_priv, cpu_transcoder), + TRANS_PUSH_EN); if (HAS_AS_SDP(dev_priv)) intel_de_write(dev_priv, -- 2.40.1