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Commit 32ce697c authored by Keith Packard's avatar Keith Packard
Browse files

drm/i915: No need to wait for eDP power off delay if panel is on 



If the panel is powered up, there's no need to delay for the 'off'
interval when turning the panel on.

Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
parent 05ce1a49

drivers/gpu/drm/i915/intel_dp.c

+9 −0
Original line number Diff line number Diff line
@@ -869,7 +869,16 @@ static void ironlake_wait_panel_off(struct intel_dp *intel_dp) 
{

	unsigned long	off_time;

	unsigned long	delay;



	DRM_DEBUG_KMS("Wait for panel power off time\n");



	if (ironlake_edp_have_panel_power(intel_dp) ||

	    ironlake_edp_have_panel_vdd(intel_dp))

	{

		DRM_DEBUG_KMS("Panel still on, no delay needed\n");

		return;

	}



	off_time = intel_dp->panel_off_jiffies + msecs_to_jiffies(intel_dp->panel_power_down_delay);

	if (time_after(jiffies, off_time)) {

		DRM_DEBUG_KMS("Time already passed");