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

[Bob Paauwe]

On Wed, 29 Mar 2017 13:32:57 +0300
Jani Nikula <jani.nikula at intel.com> wrote:

> Leave more breadcrumbs for debuggers.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Bob Paauwe <bob.j.paauwe 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:



-- 
--
Bob Paauwe                  
Bob.J.Paauwe at intel.com
IOTG / PED Software Organization
Intel Corp.  Folsom, CA
(916) 356-6193