diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b29954ac6bfd..b4daa640a6d8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6036,13 +6036,14 @@ void hsw_restore_lcpll(struct drm_i915_private *dev_priv) if (val & LCPLL_POWER_DOWN_ALLOW) { val &= ~LCPLL_POWER_DOWN_ALLOW; I915_WRITE(LCPLL_CTL, val); + POSTING_READ(LCPLL_CTL); } val = I915_READ(D_COMP); val |= D_COMP_COMP_FORCE; val &= ~D_COMP_COMP_DISABLE; I915_WRITE(D_COMP, val); - I915_READ(D_COMP); + POSTING_READ(D_COMP); val = I915_READ(LCPLL_CTL); val &= ~LCPLL_PLL_DISABLE; |