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SubjectRe: [PATCH] drm/i915: convert to new logging macros based on struct intel_engine_cs.
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Quoting Wambui Karuga (2020-01-13 11:10:25)
> fn(...) {
> ...
> struct intel_engine_cs *E = ...;
> +struct drm_i915_private *dev_priv = E->i915;

No new dev_priv.

There should be no reason for drm_dbg here, as the rest of the debug is
behind ENGINE_TRACE and so the vestigial debug should be moved over, or
deleted as not being useful.

The error messages look unhelpful.

> if ((batch_end - cmd) < length) {
> - DRM_DEBUG("CMD: Command length exceeds batch length: 0x%08X length=%u batchlen=%td\n",
> - *cmd,
> - length,
> - batch_end - cmd);
> + drm_dbg(&dev_priv->drm,
> + "CMD: Command length exceeds batch length: 0x%08X length=%u batchlen=%td\n",

No. This is not driver debug. If anything this should be pr_debug, or
some over user centric channel.
-Chris

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