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drm/i915: We implement WaFbcDisableDpfcClockGating on ilk
author
Damien Lespiau
<damien.lespiau@intel.com>
Fri, 7 Jun 2013 16:41:09 +0000
(17:41 +0100)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Tue, 16 Jul 2013 08:32:09 +0000
(10:32 +0200)
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@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
d212e42
..
9b95f78
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_pm.c
+++ b/
drivers/gpu/drm/i915/intel_pm.c
@@
-4416,7
+4416,10
@@
static void ironlake_init_clock_gating(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE;
- /* Required for FBC */
+ /*
+ * Required for FBC
+ * WaFbcDisableDpfcClockGating:ilk
+ */
dspclk_gate |= ILK_DPFCRUNIT_CLOCK_GATE_DISABLE |
ILK_DPFCUNIT_CLOCK_GATE_DISABLE |
ILK_DPFDUNIT_CLOCK_GATE_ENABLE;