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Commit 34a6c70f authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: check the power domains in intel_lvds_get_hw_state() 

Just like we do for the other encoders. This should fix some WARNs
when running pm_rpm on SNB.

Testcase: igt/pm_rpm
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80463


Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 930e8c9e

drivers/gpu/drm/i915/intel_lvds.c

+5 −0
Original line number Diff line number Diff line
@@ -71,8 +71,13 @@ static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, 
	struct drm_device *dev = encoder->base.dev;

	struct drm_i915_private *dev_priv = dev->dev_private;

	struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);

	enum intel_display_power_domain power_domain;

	u32 tmp;



	power_domain = intel_display_port_power_domain(encoder);

	if (!intel_display_power_enabled(dev_priv, power_domain))

		return false;



	tmp = I915_READ(lvds_encoder->reg);



	if (!(tmp & LVDS_PORT_EN))