[PATCH v9 05/10] drm/i915/lobf: Add fixed refresh rate check in compute_config()

[Animesh Manna]

LOBF can be enabled with vrr fixed rate mode, so add check
if vmin = vmax = flipline in compute_config().

Signed-off-by: Animesh Manna <animesh.ma...@intel.com>
Reviewed-by: Jouni Högander <jouni.hogan...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_alpm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c 
b/drivers/gpu/drm/i915/display/intel_alpm.c
index e66ffdbfdb0d..01949b90c0c3 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -290,6 +290,10 @@ void intel_alpm_lobf_compute_config(struct intel_dp 
*intel_dp,
        if (crtc_state->has_psr)
                return;
 
+       if (crtc_state->vrr.vmin != crtc_state->vrr.vmax ||
+           crtc_state->vrr.vmin != crtc_state->vrr.flipline)
+               return;
+
        if (!(intel_alpm_aux_wake_supported(intel_dp) ||
              intel_alpm_aux_less_wake_supported(intel_dp)))
                return;
-- 
2.29.0