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drm/i915: load the LUT before pipe enable on ILK+

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Per the specs and to address
https://bugs.freedesktop.org/show_bug.cgi?id=36888.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes 2011-06-15 23:32:33 +02:00 committed by Keith Packard
parent f3234706a7
commit 9c54c0dd94
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/i915/intel_display.c
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@ -2699,14 +2699,18 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
}
/*
* On ILK+ LUT must be loaded before the pipe is running but with
* clocks enabled
*/
intel_crtc_load_lut(crtc);
intel_enable_pipe(dev_priv, pipe, is_pch_port);
intel_enable_plane(dev_priv, plane, pipe);
if (is_pch_port)
ironlake_pch_enable(crtc);
intel_crtc_load_lut(crtc);
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
mutex_unlock(&dev->struct_mutex);