[Intel-gfx] [PATCH RESEND 3/4] drm/i915/opregion: debug log about invalid ACPI OpRegion VBT

Jani Nikula jani.nikula at intel.com
Wed Mar 29 10:32:57 UTC 2017


Leave more breadcrumbs for debuggers.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_opregion.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 2b64cb6691eb..d44465190dc1 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -989,6 +989,8 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv)
 			opregion->vbt = vbt;
 			opregion->vbt_size = vbt_size;
 			goto out;
+		} else {
+			DRM_DEBUG_KMS("Invalid VBT in ACPI OpRegion (RVDA)\n");
 		}
 	}
 
@@ -1007,6 +1009,8 @@ int intel_opregion_setup(struct drm_i915_private *dev_priv)
 		DRM_DEBUG_KMS("Found valid VBT in ACPI OpRegion (Mailbox #4)\n");
 		opregion->vbt = vbt;
 		opregion->vbt_size = vbt_size;
+	} else {
+		DRM_DEBUG_KMS("Invalid VBT in ACPI OpRegion (Mailbox #4)\n");
 	}
 
 out:
-- 
2.1.4



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