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From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i915: Remove WA_(SET|CLR)_BIT
Date: Wed, 04 Oct 2017 15:57:14 +0300	[thread overview]
Message-ID: <87d1632hqt.fsf@gaia.fi.intel.com> (raw)
In-Reply-To: <20171004124153.14142-2-chris@chris-wilson.co.uk>

Chris Wilson <chris@chris-wilson.co.uk> writes:

> These macros are of dubious merit when coupled with the per-context w/a
> set. Instead of tweaking the value in the context, they tweak the value
> based on the mmio at the time of recording; they are almost by
> definition not per-context! Having removed the last users, remove the
> macros to avoid temptation in the future.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Cc: Oscar Mateo <oscar.mateo@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index 06044f1f48c8..60d500e27af0 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -830,9 +830,6 @@ static int wa_add(struct drm_i915_private *dev_priv,
>  #define WA_SET_FIELD_MASKED(addr, mask, value) \
>  	WA_REG(addr, mask, _MASKED_FIELD(mask, value))
>  
> -#define WA_SET_BIT(addr, mask) WA_REG(addr, mask, I915_READ(addr) | (mask))
> -#define WA_CLR_BIT(addr, mask) WA_REG(addr, mask, I915_READ(addr) & ~(mask))
> -
>  #define WA_WRITE(addr, val) WA_REG(addr, 0xffffffff, val)
>

WA_WRITE can be removed too if NON_PRIV slips in first.

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

>  static int wa_ring_whitelist_reg(struct intel_engine_cs *engine,
> -- 
> 2.14.2
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  reply	other threads:[~2017-10-04 12:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-04 12:41 [PATCH 1/2] drm/i915: Move MMCD_MISC_CTRL from context w/a to standard Chris Wilson
2017-10-04 12:41 ` [PATCH 2/2] drm/i915: Remove WA_(SET|CLR)_BIT Chris Wilson
2017-10-04 12:57   ` Mika Kuoppala [this message]
2017-10-04 12:55 ` [PATCH 1/2] drm/i915: Move MMCD_MISC_CTRL from context w/a to standard Mika Kuoppala
2017-10-04 15:33   ` Oscar Mateo
2017-10-04 13:06 ` ✓ Fi.CI.BAT: success for series starting with [1/2] " Patchwork
2017-10-04 14:16 ` ✓ Fi.CI.IGT: " Patchwork

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