Re: [RFC PATCH 02/11] drm/i915: Move a bunch of workaround-related code to its own file

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Quoting Oscar Mateo (2017-10-09 21:58:17)
> This has grown to be a sizable amount of code, so move it to
> its own file before we try to refactor anything. For the moment,
> we are leaving behind the WA BB code and the WAs that get applied
> (incorrectly) in init_clock_gating, but we will deal with it later.
> 
> Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/Makefile           |   1 +
>  drivers/gpu/drm/i915/i915_workarounds.c | 705 ++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/i915/i915_workarounds.h |  31 ++

If we look at the filenames with rose-tinted glasses:

intel_* -> interaction with hw
i915_* -> interaction with user

(Let's not start on the mixup entailed when we use the i915 prefix to
mean to talking to gen2/gen3. Hopefully most gen2 mixups are history.)

i915_workarounds would imply w/a for the drm/i915 uABI, but we want
intel_workarounds to imply w/a for hw.

Now some are indeed workarounds to keep uABI constant (or otherwise
correct)... The line can be murky ;)
-Chris
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