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drm/i915/skl: Store the new WM state at the very end of the update 

We're going to add a new step, let's not hide the copy of the new WM
state inside one inner function, but as a 1st level operation in the WM
update.

v2: Split the staging results structure to not exceed the 1Kb stack
    allocation in skl_update_wm()

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-11-04 17:06:48 +00:00 committed by Daniel Vetter
parent 4f94738674
commit 53b0deb4cb
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/intel_pm.c
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@ -3463,8 +3463,6 @@ static void skl_write_wm_values(struct drm_i915_private *dev_priv,
new->ddb.cursor[pipe].start);
}
}
dev_priv->wm.skl_hw = *new;
}
static bool skl_update_pipe_wm(struct drm_crtc *crtc,
@ -3558,6 +3556,9 @@ static void skl_update_wm(struct drm_crtc *crtc)
skl_update_other_pipe_wm(dev, crtc, &config, results);
skl_write_wm_values(dev_priv, results);
/* store the new configuration */
dev_priv->wm.skl_hw = *results;
}
static void