[PATCH v2 5/6] drm/i915/alpm: Enable lobf from source in ALPM_CTL

[Animesh Manna]

Set the Link Off Between Frames Enable bit in ALPM_CTL register.

Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
 drivers/gpu/drm/i915/display/intel_alpm.c          | 5 +++++
 drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
index 699f2f051766..ae894c85233c 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -325,6 +325,11 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp)
 			   ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines);
 	}
 
+	if (intel_dp->lobf_supported) {
+		alpm_ctl |= ALPM_CTL_LOBF_ENABLE;
+		intel_dp->lobf_enabled = true;
+	}
+
 	alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines);
 
 	intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), alpm_ctl);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 6116c383b543..f61ba582429b 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1884,6 +1884,7 @@ struct intel_dp {
 
 	/* LOBF flags*/
 	bool lobf_supported;
+	bool lobf_enabled;
 };
 
 enum lspcon_vendor {
-- 
2.29.0