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This discrepancy causes an issue due to the >> fixed refresh rate check during readback. Since the VRR timing generator >> is enabled and we do not support fixed timings, the readback should set >> vrr.enable so that the driver can disable the VRR timing generator. >> However, the current check does not allow this. >> >> Therefore, remove the fixed refresh rate check during readback. >> >> Fixes: 27217f9d1856 ("drm/i915/vrr: Track vrr.enable only for variable timing") >> Cc: Ankit Nautiyal >> Cc: Ville Syrjälä >> Cc: Jani Nikula >> Signed-off-by: Ankit Nautiyal >> --- >> drivers/gpu/drm/i915/display/intel_vrr.c | 3 +-- >> 1 file changed, 1 insertion(+), 2 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c >> index aa65a6933ddb..6bdcdfed4b9b 100644 >> --- a/drivers/gpu/drm/i915/display/intel_vrr.c >> +++ b/drivers/gpu/drm/i915/display/intel_vrr.c >> @@ -657,8 +657,7 @@ void intel_vrr_get_config(struct intel_crtc_state *crtc_state) >> } >> } >> >> - crtc_state->vrr.enable = trans_vrr_ctl & VRR_CTL_VRR_ENABLE && >> - !intel_vrr_is_fixed_rr(crtc_state); >> + crtc_state->vrr.enable = trans_vrr_ctl & VRR_CTL_VRR_ENABLE; > Doesn't this break the state checker when we use the VRR timing > generator for fixed refresh modes? Yes right, but currently those changes are not merged yet. I have something like this [1], when we add support for VRR TG with fixed refresh rate. [1] https://patchwork.freedesktop.org/patch/643470/?series=134383&rev=16 Regards, Ankit > >> >> /* >> * #TODO: For Both VRR and CMRR the flag I915_MODE_FLAG_VRR is set for mode_flags. >> -- >> 2.45.2