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Commit e9cb81a2 authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: get a runtime PM reference when the panel VDD is on 



And put it when it's off. Otherwise, when you run pm_pc8 from
intel-gpu-tools, and the delayed function that disables VDD runs,
we'll get some messages saying we're touching registers while the HW
is suspended.

Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent c8c8fb33

drivers/gpu/drm/i915/intel_dp.c

+7 −0
Original line number Diff line number Diff line
@@ -1094,6 +1094,8 @@ void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp) 
	if (ironlake_edp_have_panel_vdd(intel_dp))

		return;



	intel_runtime_pm_get(dev_priv);



	DRM_DEBUG_KMS("Turning eDP VDD on\n");



	if (!ironlake_edp_have_panel_power(intel_dp))
@@ -1143,6 +1145,8 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp) 
		DRM_DEBUG_KMS("PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n",

		I915_READ(pp_stat_reg), I915_READ(pp_ctrl_reg));

		msleep(intel_dp->panel_power_down_delay);



		intel_runtime_pm_put(dev_priv);

	}

}
@@ -1250,6 +1254,9 @@ void ironlake_edp_panel_off(struct intel_dp *intel_dp) 
	intel_dp->want_panel_vdd = false;



	ironlake_wait_panel_off(intel_dp);



	/* We got a reference when we enabled the VDD. */

	intel_runtime_pm_put(dev_priv);

}



void ironlake_edp_backlight_on(struct intel_dp *intel_dp)