On Thu, Feb 05, 2015 at 05:51:46PM +0000, Damien Lespiau wrote:
> On Thu, Feb 05, 2015 at 10:47:18AM +0000, Nick Hoath wrote:
> > From: "Hoath, Nicholas" <nicholas.hoath@xxxxxxxxx>
> >
> > Add:
> > WaDisablePartialInstShootdown
>
> Just an editor note: that's not really additional information compared
> to the subject of the patch. Also subject message could be a bit more
> direct and mention SKL:
>
> drm/i915/skl: Implement WaDisablePartialInstShootdown
Well it's gen9 but yeah. The commit message body should explain the
commit (e.g. more details on impact), but for w/a that's only really
required if there's been an outside report.
> > v1: Dont add WaDisableThreadStallDopClockGating as not SKL WA. (Found by Damien Lespiau)
>
> v2, v1 was the original patch. Commit messages should also be wrapped
> like emails, so 90 chars is too long.
>
> Reviewed-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Frobbed commit while applying.
-Daniel
>
> > Signed-off-by: Nick Hoath <nicholas.hoath@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_ringbuffer.c | 7 +++++++
> > 1 file changed, 7 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> > index fbfe65a..b869f1c 100644
> > --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> > +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> > @@ -875,6 +875,13 @@ static int chv_init_workarounds(struct intel_engine_cs *ring)
> >
> > static int gen9_init_workarounds(struct intel_engine_cs *ring)
> > {
> > + struct drm_device *dev = ring->dev;
> > + struct drm_i915_private *dev_priv = dev->dev_private;
> > +
> > + /* WaDisablePartialInstShootdown:skl */
> > + WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
> > + PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
> > +
> > return 0;
> > }
> >
> > --
> > 2.1.1
> >
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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