Set the Link Off Between Frames Enable bit in ALPM_CTL register.
Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display_types.h | 1 +
drivers/gpu/drm/i915/display/intel_psr.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 4d2161eeb686..c8e7a65df45d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1854,6 +1854,7 @@ struct intel_dp {
/* LOBF flags*/
bool lobf_supported;
+ bool lobf_enabled;
};
enum lspcon_vendor {
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index c08bffc2921a..a9f8f2982b50 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1770,6 +1770,11 @@ 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);
--
2.29.0
