From: Ben Widawsky <ben@bwidawsk.net>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 07/12] drm/i915: implement WaDisableEarlyCull for VLV and IVB
Date: Tue, 2 Oct 2012 16:44:32 -0700 [thread overview]
Message-ID: <20121002164432.77bc2e8a@bwidawsk.net> (raw)
In-Reply-To: <1349217826-2538-8-git-send-email-jbarnes@virtuousgeek.org>
On Tue, 2 Oct 2012 17:43:41 -0500
Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> Workaround for a culling optimization.
>
> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
> ---
> drivers/gpu/drm/i915/i915_reg.h | 1 +
> drivers/gpu/drm/i915/intel_pm.c | 8 ++++++++
> 2 files changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index c75539b..3ceeb68 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -521,6 +521,7 @@
> */
> # define _3D_CHICKEN2_WM_READ_PIPELINED (1 << 14)
> #define _3D_CHICKEN3 0x02090
> +#define _3D_CHICKEN_SF_DISABLE_OBJEND_CULL (1 << 10)
> #define _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL (1 << 5)
>
> #define MI_MODE 0x0209c
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 828629b..400dd05 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3533,6 +3533,10 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
>
> I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE);
>
> + /* WaDisableEarlyCull */
> + I915_WRITE(_3D_CHICKEN3,
> + _MASKED_BIT_ENABLE(_3D_CHICKEN_SF_DISABLE_OBJEND_CULL));
> +
> I915_WRITE(IVB_CHICKEN3,
> CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
> CHICKEN3_DGMG_DONE_FIX_DISABLE);
> @@ -3611,6 +3615,10 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
>
> I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE);
>
> + /* WaDisableEarlyCull */
> + I915_WRITE(_3D_CHICKEN3,
> + _MASKED_BIT_ENABLE(_3D_CHICKEN_SF_DISABLE_OBJEND_CULL));
> +
> I915_WRITE(IVB_CHICKEN3,
> CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
> CHICKEN3_DGMG_DONE_FIX_DISABLE);
FYI: We need this for pre-production HSW also (while we have to use
those platforms).
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
--
Ben Widawsky, Intel Open Source Technology Center
next prev parent reply other threads:[~2012-10-02 23:44 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 22:43 Updated workaround & VLV fixes Jesse Barnes
2012-10-02 22:43 ` [PATCH 01/12] drm/i915: add more clock gating regs for gen7, make sure writes happen Jesse Barnes
2012-10-02 23:14 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 02/12] drm/i915: implement WaDisableL3CacheAging on VLV Jesse Barnes
2012-10-02 23:01 ` Daniel Vetter
2012-10-02 23:09 ` Ben Widawsky
2012-10-02 23:14 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 03/12] drm/i915: implement WaDisableDopClockGatingisable on VLV and IVB Jesse Barnes
2012-10-02 23:28 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 04/12] drm/i915: implement WaForceL3Serialization " Jesse Barnes
2012-10-02 23:32 ` Ben Widawsky
2012-10-03 7:24 ` Daniel Vetter
2012-10-02 22:43 ` [PATCH 05/12] drm/i915: implement WaGTEnableMiFlush on VLV Jesse Barnes
2012-10-02 23:35 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 06/12] drm/i915: implement WaDisableVLVClockGating_VBIIssue " Jesse Barnes
2012-10-02 23:38 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 07/12] drm/i915: implement WaDisableEarlyCull for VLV and IVB Jesse Barnes
2012-10-02 23:44 ` Ben Widawsky [this message]
2012-10-03 7:23 ` Daniel Vetter
2012-10-10 20:04 ` Paulo Zanoni
2012-10-10 21:13 ` Lespiau, Damien
2012-10-02 22:43 ` [PATCH 08/12] drm/i915: implement WaDisablePSDDualDispatchEnable on IVB Jesse Barnes
2012-10-02 23:51 ` Ben Widawsky
2012-10-02 23:58 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 09/12] drm/i915: limit VLV IRQ enables to those we use Jesse Barnes
2012-10-02 23:53 ` Ben Widawsky
2012-10-02 22:43 ` [PATCH 10/12] drm/i915: TLB invalidation with MI_FLUSH_SW requires a post-sync op Jesse Barnes
2012-10-03 0:14 ` Ben Widawsky
2012-10-03 7:20 ` Daniel Vetter
2012-10-04 8:32 ` Daniel Vetter
2012-10-04 14:39 ` Jesse Barnes
2012-10-04 14:49 ` Daniel Vetter
2012-10-04 14:54 ` Jesse Barnes
2012-10-02 22:43 ` [PATCH 11/12] drm/i915: PIPE_CONTROL TLB invalidate requires CS stall Jesse Barnes
2012-10-02 22:43 ` [PATCH 12/12] drm/i915: set swizzling to none on VLV Jesse Barnes
2012-10-03 7:15 ` Daniel Vetter
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