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drm/i915: VLV doesn't have the ILK+ style LP watermark registers
author
Ville Syrjälä
<ville.syrjala@linux.intel.com>
Tue, 21 May 2013 15:01:49 +0000
(18:01 +0300)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Wed, 5 Jun 2013 08:00:11 +0000
(10:00 +0200)
The LP watermark registers don't exist on VLV, so don't touch them.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c
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diff --git
a/drivers/gpu/drm/i915/intel_pm.c
b/drivers/gpu/drm/i915/intel_pm.c
index 4126fb1b3dd40e254982ee8aea148ed122d0dd37..b970267bb5d45a969eb2e004d63890bb777636ba 100644
(file)
--- a/
drivers/gpu/drm/i915/intel_pm.c
+++ b/
drivers/gpu/drm/i915/intel_pm.c
@@
-4797,10
+4797,6
@@
static void valleyview_init_clock_gating(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
- I915_WRITE(WM3_LP_ILK, 0);
- I915_WRITE(WM2_LP_ILK, 0);
- I915_WRITE(WM1_LP_ILK, 0);
-
I915_WRITE(ILK_DSPCLK_GATE_D, ILK_VRHUNIT_CLOCK_GATE_DISABLE);
/* WaDisableEarlyCull:vlv */