From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eugeni Dodonov <eugeni.dodonov@linux.intel.com>
Subject: Re: [PATCH 1/5] drm/i915: wrap up gt powersave enabling
 functions
Date: Sun, 24 Jun 2012 20:03:08 -0300
Message-ID: <4FE79CAC.2060109@linux.intel.com>
References: <1340548956-4097-1-git-send-email-daniel.vetter@ffwll.ch>
	<1340548956-4097-2-git-send-email-daniel.vetter@ffwll.ch>
Reply-To: eugeni.dodonov@intel.com
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org>
Received: from mga03.intel.com (mga03.intel.com [143.182.124.21])
	by gabe.freedesktop.org (Postfix) with ESMTP id CC4AA9E908
	for <intel-gfx@lists.freedesktop.org>;
	Sun, 24 Jun 2012 16:01:19 -0700 (PDT)
In-Reply-To: <1340548956-4097-2-git-send-email-daniel.vetter@ffwll.ch>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
	<mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
	<mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org
Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org

On 06/24/2012 11:42 AM, Daniel Vetter wrote:
> ... instead of calling each one for each generation indiviudally.
> 
> Notice that we've already managed to be inconsistent, the resume path
> is missing an IS_VLV check. As a nice benefit we can mark all the
> platform specific enable/disable functions as static and hide them in
> intel_pm.c
> 
> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

I have very similar patch for this as well (for HSW patches to come
somewhat later this week), you beat me on sending it by a few days. So:

Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>

Just one (actually, two) bikesheds below.

> +void intel_disable_gt_powersave(struct drm_device *dev)
> +{
> +	if (IS_IRONLAKE_M(dev))
> +		ironlake_disable_drps(dev);
> +	if (INTEL_INFO(dev)->gen >= 6 && !IS_VALLEYVIEW(dev))
> +		gen6_disable_rps(dev);
> +}

Just a minor bikeshed on those if loops. Wouldn't it be cleaner to
transform the 2nd if into 'else if'?

> +
> +void intel_enable_gt_powersave(struct drm_device *dev)
> +{
> +	struct drm_i915_private *dev_priv = dev->dev_private;
> +
> +	if (IS_IRONLAKE_M(dev)) {
> +		ironlake_enable_drps(dev);
> +		ironlake_enable_rc6(dev);
> +		intel_init_emon(dev);
> +	}
> +
> +	if ((IS_GEN6(dev) || IS_GEN7(dev)) && !IS_VALLEYVIEW(dev)) {
> +		gen6_enable_rps(dev_priv);
> +		gen6_update_ring_freq(dev_priv);
> +	}
> +}

...and here as well.

Eugeni