Signed-off-by: Damien Lespiau <[email protected]>
---
drivers/gpu/drm/i915/intel_pm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index eb3c2c4..2eb1846 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4385,7 +4385,10 @@ 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;
--
1.8.1.4
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