drm/i915: Print the watermark latencies during init
Seeing the watermark latency values in dmesg might help sometimes. v2: Use DRM_ERROR() when expected latency values are missing Note: We might hit the DRM_ERROR added in this patch and apparently there's not much we can do about that. But I think it'd be interesting to figure out whether that actually happens in the real world, so I didn't apply a s/DRM_ERROR/DRM_DEBUG_KMS/ bikeshed while applying. Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: NPaulo Zanoni <paulo.r.zanoni@intel.com> [danvet: Add note about new error dmesg output.] Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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