[PATCH v3 6/6] drm/i915/lobf: Add debug print for LOBF

Animesh Manna animesh.manna at intel.com
Mon Jan 6 04:15:16 UTC 2025


Lobf is enabled part of ALPM configuration and if has_lobf
is set to true respective bit for LOBF will be set. Add debug
print while setting the bitfield of LOBF.

Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
 drivers/gpu/drm/i915/display/intel_alpm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c
index ab98b48ec47e..0ddb103ba43a 100644
--- a/drivers/gpu/drm/i915/display/intel_alpm.c
+++ b/drivers/gpu/drm/i915/display/intel_alpm.c
@@ -376,8 +376,10 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp,
 			ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines);
 	}
 
-	if (crtc_state->has_lobf)
+	if (crtc_state->has_lobf) {
 		alpm_ctl |= ALPM_CTL_LOBF_ENABLE;
+		drm_dbg_kms(display->drm, "Link off between frames (LOBF) enabled\n");
+	}
 
 	alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines);
 
-- 
2.29.0



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