diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 0668bbec5028..c978852904ed 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -379,7 +379,8 @@ static void bxt_dsi_device_ready(struct intel_encoder *encoder) val &= ~ULPS_STATE_MASK; val |= (ULPS_STATE_ENTER | DEVICE_READY); I915_WRITE(MIPI_DEVICE_READY(port), val); - usleep_range(2, 3); + /* at least 2us - relaxed for hrtimer subsystem optimization */ + usleep_range(10, 50); /* 3. Exit ULPS */ val = I915_READ(MIPI_DEVICE_READY(port)); |