Signed-off-by: Damien Lespiau <damien.lespiau at intel.com> --- 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