diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 153a5934b2e..bcd81f96fc7 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -825,6 +825,7 @@ static void ironlake_edp_panel_vdd_on(struct drm_device *dev) pp |= EDP_FORCE_VDD; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); + msleep(300); } static void ironlake_edp_panel_vdd_off(struct drm_device *dev) @@ -836,6 +837,7 @@ static void ironlake_edp_panel_vdd_off(struct drm_device *dev) pp &= ~EDP_FORCE_VDD; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); + msleep(300); } static void ironlake_edp_backlight_on (struct drm_device *dev) |