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> Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@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 03af50b9f9eb..5e947465c6e0 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -313,7 +313,7 @@ void intel_vrr_send_push(const struct intel_crtc_state *crtc_state) struct intel_display *display = to_intel_display(crtc_state); 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(display, TRANS_PUSH(display, cpu_transcoder), @@ -325,7 +325,7 @@ bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state) struct intel_display *display = to_intel_display(crtc_state); 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(display, TRANS_PUSH(display, cpu_transcoder)) & TRANS_PUSH_SEND; @@ -339,8 +339,9 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state) if (!crtc_state->vrr.enable) return; - intel_de_write(display, TRANS_PUSH(display, cpu_transcoder), - TRANS_PUSH_EN); + if (!crtc_state->vrr.fixed_rr) + intel_de_write(display, TRANS_PUSH(display, cpu_transcoder), + TRANS_PUSH_EN); if (HAS_AS_SDP(display)) intel_de_write(display, -- 2.45.2