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Subject[PATCH 2/9] drm/i915: Remove extra 300ms delay during eDP mode setting
Date
There's no reason to enforce a 300ms delay during eDP mode setting.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
drivers/gpu/drm/i915/intel_dp.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 44fef5e..f0cfb6b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -903,13 +903,6 @@ static void ironlake_edp_backlight_on (struct drm_device *dev)
u32 pp;

DRM_DEBUG_KMS("\n");
- /*
- * If we enable the backlight right away following a panel power
- * on, we may see slight flicker as the panel syncs with the eDP
- * link. So delay a bit to make sure the image is solid before
- * allowing it to appear.
- */
- msleep(300);
pp = I915_READ(PCH_PP_CONTROL);
pp |= EDP_BLC_ENABLE;
I915_WRITE(PCH_PP_CONTROL, pp);
--
1.7.6.3


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