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From: Eric Anholt <eric@anholt.net>
To: Kenneth Graunke <kenneth@whitecape.org>, Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Use PIPE_CONTROL for flushing on gen6+.
Date: Mon, 26 Sep 2011 15:25:29 -0700	[thread overview]
Message-ID: <87k48v2b6u.fsf@eliezer.anholt.net> (raw)
In-Reply-To: <4E80E2C2.3000904@whitecape.org>


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On Mon, 26 Sep 2011 13:38:26 -0700, Kenneth Graunke <kenneth@whitecape.org> wrote:
> On 09/26/2011 01:31 PM, Daniel Vetter wrote:
> > On Mon, Sep 26, 2011 at 11:59:23AM -0700, Kenneth Graunke wrote:
> >> +static int
> >> +gen6_render_ring_flush(struct intel_ring_buffer *ring,
> >> +                         u32 invalidate_domains, u32 flush_domains)
> >> +{
> >> +	u32 flags = 0;
> >> +	struct pipe_control *pc = ring->private;
> >> +	u32 scratch_addr = pc->gtt_offset + 128;
> >> +	int ret;
> >> +
> >> +	/* Force SNB workarounds for PIPE_CONTROL flushes */
> >> +	intel_emit_post_sync_nonzero_flush(ring);
> >> +
> >> +	/* Just flush everything for now */
> >> +	flags |= PIPE_CONTROL_WC_FLUSH;
> >> +	flags |= PIPE_CONTROL_IS_FLUSH;
> >> +	flags |= PIPE_CONTROL_TC_FLUSH;
> >> +	flags |= PIPE_CONTROL_DEPTH_FLUSH;
> >> +	flags |= PIPE_CONTROL_VFC;
> > 
> > Any reason you're not also setting the constant cache and state cache
> > invalidate bits?
> > -Daniel
> 
> Bits 2 and 3?  No particular reason; perhaps they should be.

IIRC we're not using the constant cache today, but it would be nice to,
so let's get it set.

We definitely need state cache invalidate.

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  reply	other threads:[~2011-09-26 22:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-26 18:59 [PATCH] drm/i915: Use PIPE_CONTROL for flushing on gen6+ Kenneth Graunke
2011-09-26 19:16 ` Chris Wilson
2011-09-26 19:23   ` Daniel Vetter
2011-09-26 19:43     ` Chris Wilson
2011-09-26 20:15   ` Keith Packard
2011-09-26 20:21   ` Kenneth Graunke
2011-09-26 20:31 ` Daniel Vetter
2011-09-26 20:38   ` Kenneth Graunke
2011-09-26 22:25     ` Eric Anholt [this message]
2011-10-03 20:00 ` Jesse Barnes
2011-10-03 21:14   ` Keith Packard
2011-10-03 21:21     ` Jesse Barnes
2011-10-03 22:59   ` Eric Anholt
2011-10-03 23:16     ` Jesse Barnes
  -- strict thread matches above, loose matches on Subject: below --
2011-10-11 21:41 [PATCH 3/3] " Daniel Vetter
2011-10-16  8:23 ` [PATCH] " Daniel Vetter
2011-10-17  1:27   ` Ben Widawsky

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