On Mon, Nov 19, 2018 at 12:43:56PM +0200, Joonas Lahtinen wrote:
> Quoting Chris Wilson (2018-11-19 00:01:57)
> > Quoting Lucas De Marchi (2018-11-17 00:42:34)
> > > Like it was done in commit 9e180d9991dc ("drm/i915: Downgrade unknown
> > > firmware warnings") for huc and guc: downgrade CSR firmware warnings. If
> > > we have released no firmware yet for a platform, stop scaring the
> > > consumer and merely note its expected absence.
> > >
> > > By simply removing the warning and early return we hit the condition
> > > with the appropriate message.
> > >
> > > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> > > Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> > > ---
> > > drivers/gpu/drm/i915/intel_csr.c | 3 ---
> > > 1 file changed, 3 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
> > > index b4476d891fa3..a516697bf57d 100644
> > > --- a/drivers/gpu/drm/i915/intel_csr.c
> > > +++ b/drivers/gpu/drm/i915/intel_csr.c
> > > @@ -496,9 +496,6 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv)
> > > csr->fw_path = BXT_CSR_PATH;
> > > csr->required_version = BXT_CSR_VERSION_REQUIRED;
> > > csr->max_fw_size = BXT_CSR_MAX_FW_SIZE;
> > > - } else {
> > > - MISSING_CASE(INTEL_REVID(dev_priv));
> >
> > Wider question would be if MISSING_CASE should be CI only. It's meant to
> > be a warning for us to fix before alpha_support=0, and so should never
> > reach users or any production system, so the question is moot.
>
> Especially with the changes into CI log level reporting, we'd have to
> actually notice the MISSING_CASE triggers from the inflow of other IGT
> warn levels.
>
> MISSING_CASE triggering BUG if alpha_support flag is lifted might be
> enough of a hammer to drive the point home if we've missed some?
I believe that would be too noise that we would never have a reliable CI.
maybe even a chicken and egg for lifting alpha_support...
But for this patch:
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>
> Regards, Joonas
>
> >
> > As we have a warning message then the MISSING_CASE is indeed
> > superfluous here, and the firmware has a different release schedule to
> > alpha_support so doesn't merit the tight coupling implied by
> > MISSING_CASE (imo).
> >
> > Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > -Chris
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