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drm/i915: calculate watermarks for devices that have 3 pipes 

This adds proper support for calculating those watermarks, checking for
number of available pipes instead of specific GPU variants when deciding
if watermarks for 3rd pipe are necessary.

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Eugeni Dodonov 2012-05-09 15:37:11 -03:00 committed by Daniel Vetter
parent a416edefbb
commit 461bc9b587
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -1803,8 +1803,7 @@ static void sandybridge_update_wm(struct drm_device *dev)
enabled |= 2;
}
/* IVB has 3 pipes */
if (IS_IVYBRIDGE(dev) &&
if ((dev_priv->num_pipe == 3) &&
g4x_compute_wm0(dev, 2,
&sandybridge_display_wm_info, latency,
&sandybridge_cursor_wm_info, latency,