On Thu, 26 Jan 2017, Chris Wilson <[email protected]> wrote: > Preproduction sdv are not supported beyond the release of production > hardware, and continued use is ill-advised. Mark the kernel as tainted > to reinforce the error. > > Signed-off-by: Chris Wilson <[email protected]> > Cc: "Zanoni, Paulo R" <[email protected]> > Cc: Rodrigo Vivi <[email protected]> > Cc: Jani Nikula <[email protected]> > Cc: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/i915_drv.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > index c2c210b0f47f..ce22ab426d86 100644 > --- a/drivers/gpu/drm/i915/i915_drv.c > +++ b/drivers/gpu/drm/i915/i915_drv.c > @@ -787,9 +787,11 @@ static void intel_detect_preproduction_hw(struct > drm_i915_private *dev_priv) > sdv |= IS_HSW_EARLY_SDV(dev_priv); > sdv |= IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0); > > - if (sdv) > + if (sdv) { > DRM_ERROR("This is a pre-production stepping. " > "It may not be fully functional.\n"); > + add_taint(TAINT_MACHINE_CHECK, LOCKDEP_STILL_OK);
This is rather harsh, but I suppose it should be. Popularity contest in the kernel suggests it's not used lightly (actually not much at all). Acked-by: Jani Nikula <[email protected]> > + } > } > > /** -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
