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From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: Re: [PATCH] drm/i915/bdw: Remove BDW preproduction W/As	until C stepping.
Date: Wed, 01 Oct 2014 17:11:56 +0300	[thread overview]
Message-ID: <871tqrubf7.fsf@gaia.fi.intel.com> (raw)
In-Reply-To: <1411598766-3441-1-git-send-email-rodrigo.vivi@intel.com>

Rodrigo Vivi <rodrigo.vivi@intel.com> writes:

> Let's clean this a bit
>
> v2: Rebase after other Mika's patch that removed some BDW production workarounds.
>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_pm.c         | 10 ----------
>  drivers/gpu/drm/i915/intel_ringbuffer.c |  5 ++---
>  2 files changed, 2 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index ae61b45..aaab056 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -5803,16 +5803,6 @@ static void broadwell_init_clock_gating(struct drm_device *dev)
>  	I915_WRITE(WM2_LP_ILK, 0);
>  	I915_WRITE(WM1_LP_ILK, 0);
>  
> -	/* FIXME(BDW): Check all the w/a, some might only apply to
> -	 * pre-production hw. */
> -
> -
> -	I915_WRITE(GAMTARBMODE, _MASKED_BIT_ENABLE(ARB_MODE_BWGTLB_DISABLE));
> -
> -	I915_WRITE(_3D_CHICKEN3,
> -		   _MASKED_BIT_ENABLE(_3D_CHICKEN_SDE_LIMIT_FIFO_POLY_DEPTH(2)));
> -
> -
>  	/* WaSwitchSolVfFArbitrationPriority:bdw */
>  	I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);
>  
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index 0a4fd37..896f564 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -714,13 +714,12 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring)
>  		return ret;
>  
>  	/* WaDisablePartialInstShootdown:bdw */
> -	/* WaDisableThreadStallDopClockGating:bdw */
> -	/* FIXME: Unclear whether we really need this on production bdw. */
> +	/* WaDisableThreadStallDopClockGating:bdw (pre-production until
> D) */

Just remove the fixme line here and dont add D.

>  	intel_ring_emit_wa(ring, GEN8_ROW_CHICKEN,
>  			   _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE
>  					     | STALL_DOP_GATING_DISABLE));
>  
> -	/* WaDisableDopClockGating:bdw May not be needed for production */
> +	/* WaDisableDopClockGating:bdw */

With comment fixed:

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>

>  	intel_ring_emit_wa(ring, GEN7_ROW_CHICKEN2,
>  			   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE));
>  
> -- 
> 1.9.3
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2014-10-01 14:12 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-20  0:16 [PATCH 1/5] drm/i915: Add IS_BDW_GT3 macro Rodrigo Vivi
2014-09-20  0:16 ` [PATCH 2/5] drm/i915/bdw: WaDisableFenceDestinationToSLM Rodrigo Vivi
2014-09-25 12:37   ` Mika Kuoppala
2014-09-29 12:32     ` Daniel Vetter
2014-09-29 12:49       ` Daniel Vetter
2014-09-30 15:02         ` Mika Kuoppala
2014-09-30 16:27           ` Daniel Vetter
2014-09-20  0:16 ` [PATCH 3/5] drm/i915/bdw: WaProgramL3SqcReg1Default Rodrigo Vivi
2014-09-26 12:03   ` Mika Kuoppala
2014-09-26 18:32     ` Rodrigo Vivi
2014-09-26 19:06     ` Ville Syrjälä
2014-09-30 15:11       ` [PATCH] " Rodrigo Vivi
2014-10-01 13:46         ` Mika Kuoppala
2014-09-20  0:16 ` [PATCH 4/5] drm/i915: Let number of workarounds more clear Rodrigo Vivi
2014-09-24 22:44   ` [PATCH] " Rodrigo Vivi
2014-09-26 12:22   ` [PATCH 4/5] " Mika Kuoppala
2014-09-26 12:56     ` Jani Nikula
2014-09-26 12:58       ` Chris Wilson
2014-09-26 13:02         ` Damien Lespiau
2014-09-26 14:16       ` Mika Kuoppala
2014-09-26 14:56         ` Chris Wilson
2014-09-30 22:13           ` Rodrigo Vivi
2014-09-20  0:16 ` [PATCH 5/5] drm/i915/bdw: Remove BDW preproduction W/As until C stepping Rodrigo Vivi
2014-09-24 22:46   ` [PATCH] " Rodrigo Vivi
2014-09-30 22:14     ` Rodrigo Vivi
2014-10-01 14:11     ` Mika Kuoppala [this message]
2014-10-09 14:11       ` Rodrigo Vivi
2014-10-19 12:14         ` Daniel Vetter
2014-09-29 19:58 ` [PATCH 1/5] drm/i915: Add IS_BDW_GT3 macro Jesse Barnes

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