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From: Mika Kahola <mika.kahola@intel.com>
To: ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/5] drm/i915: s/__raw_i915_read32/I915_READ_FW/ in the SKL+ scanline read w/a
Date: Mon, 13 Mar 2017 11:29:20 +0200	[thread overview]
Message-ID: <1489397360.31999.27.camel@intel.com> (raw)
In-Reply-To: <20170309154434.29303-3-ville.syrjala@linux.intel.com>

On Thu, 2017-03-09 at 17:44 +0200, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Replace __raw_i915_read32() with I915_READ_FW() in the workaround for
> the SKL+ scanline counter hardware fail. The two are the same thing
> but everyone else uses I915_READ_FW() so let's follow suit.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Mika Kahola <mika.kahola@intel.com>

> ---
>  drivers/gpu/drm/i915/i915_irq.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c
> b/drivers/gpu/drm/i915/i915_irq.c
> index 70214e1fcd10..3c2109b4be2c 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -817,8 +817,7 @@ static int __intel_get_crtc_scanline(struct
> intel_crtc *crtc)
>  
>  		for (i = 0; i < 100; i++) {
>  			udelay(1);
> -			temp = __raw_i915_read32(dev_priv,
> PIPEDSL(pipe)) &
> -				DSL_LINEMASK_GEN3;
> +			temp = I915_READ_FW(PIPEDSL(pipe)) &
> DSL_LINEMASK_GEN3;
>  			if (temp != position) {
>  				position = temp;
>  				break;
-- 
Mika Kahola - Intel OTC

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  reply	other threads:[~2017-03-13  9:30 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-09 15:44 [PATCH 0/5] drm/i915: Optimize plane updates a bit ville.syrjala
2017-03-09 15:44 ` [PATCH 1/5] drm/i915: Use I915_READ_FW in i915_get_vblank_counter() ville.syrjala
2017-03-09 15:44 ` [PATCH 2/5] drm/i915: s/__raw_i915_read32/I915_READ_FW/ in the SKL+ scanline read w/a ville.syrjala
2017-03-13  9:29   ` Mika Kahola [this message]
2017-03-09 15:44 ` [PATCH 3/5] drm/i915: Organize plane register writes into tighter bunches ville.syrjala
2017-03-09 15:44 ` [PATCH 4/5] drm/i915: Use I915_READ_FW for plane updates ville.syrjala
2017-03-09 15:44 ` [PATCH 5/5] drm/i915: Optimize VLV/CHV display FIFO updates ville.syrjala
2017-03-09 21:26   ` Chris Wilson
2017-03-10 10:07     ` Ville Syrjälä
2017-03-13 19:18       ` Ville Syrjälä
2017-03-09 15:56 ` [PATCH 0/5] drm/i915: Optimize plane updates a bit Maarten Lankhorst
2017-03-09 16:14   ` Ville Syrjälä
2017-03-09 18:53 ` ✗ Fi.CI.BAT: failure for " Patchwork
2017-03-09 19:53 ` Patchwork
2017-03-13 17:47 ` ✓ Fi.CI.BAT: success " Patchwork

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