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drm/i915: mark display port DPMS state as 'ON' when enabling output

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The display port DPMS state is tracked internally in the display port
driver so that when a hotplug event comes along, the driver can know
whether to try retraining the link. This doesn't work well if the
driver never sets the DPMS state to ON when the output is enabled.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Keith Packard 2010-10-03 13:33:49 -07:00 committed by Chris Wilson
parent 35b62a89b0
commit 2c6be94411
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/intel_dp.c
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@ -933,6 +933,7 @@ static void intel_dp_commit(struct drm_encoder *encoder)
if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp))
ironlake_edp_backlight_on(dev);
intel_dp->dpms_mode = DRM_MODE_DPMS_ON;
}
static void