Re: [PATCH 03/18] drm/i915/skl: Document the WM read latency W/A with its name

From: Nick Hoath <nicholas.hoath@intel.com>
To: Damien Lespiau <damien.lespiau@intel.com>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 03/18] drm/i915/skl: Document the WM read latency W/A with its name
Date: Wed, 11 Feb 2015 14:51:27 +0000	[thread overview]
Message-ID: <54DB6C6F.8040007@intel.com> (raw)
In-Reply-To: <1423510402-12605-4-git-send-email-damien.lespiau@intel.com>

On 09/02/2015 19:33, Damien Lespiau wrote:
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>

Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>

> ---
>   drivers/gpu/drm/i915/intel_pm.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index a3b979d..6fd6f26 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -1701,6 +1701,8 @@ static void intel_read_wm_latency(struct drm_device *dev, uint16_t wm[8])
>   				GEN9_MEM_LATENCY_LEVEL_MASK;
>
>   		/*
> +		 * WaWmMemoryReadLatency:skl
> +		 *
>   		 * punit doesn't take into account the read latency so we need
>   		 * to add 2us to the various latency levels we retrieve from
>   		 * the punit.
>

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