On Wed, Nov 21, 2018 at 11:29:02AM +0200, Jani Nikula wrote:
> On Fri, 16 Nov 2018, Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote:
> > 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>
>
> *sigh*
>
> This patch would not have been needed at all with patch 1/2.
>
> The point was that we shouldn't proceed without the max fw size
> set. Even with the module parameter. Because that would fail at the
> firmware loading stage later.
>
> If the warn was such a big deal, it should've been changed to a debug
> message with an early return, not removed.
This was only done to make the code similar to the huc/guc. As I see
this would only be a problem in case we did pass a firmware via param
and not being gen >= 12.
Otherwise the warning (for !alpha) and debug message is unified in a
single place, down a few lines in the same function.
Lucas De Marchi
>
> BR,
> Jani.
>
>
> > ---
> > 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));
> > - return;
> > }
> >
> > if (i915_modparams.dmc_firmware_path) {
>
> --
> Jani Nikula, Intel Open Source Graphics Center
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