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Commit c5107b87 authored by Paulo Zanoni's avatar Paulo Zanoni Committed by Daniel Vetter
Browse files

drm/i915: HSW_BLC_PWM2_CTL doesn't exist on BDW 



So don't write it, otherwise we will trigger unclaimed register
errors.

Testcase: igt/pm_rpm/rte
Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 813bde43

drivers/gpu/drm/i915/intel_display.c

+3 −2
Original line number Diff line number Diff line
@@ -7326,6 +7326,7 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) 
	WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n");

	WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE,

	     "CPU PWM1 enabled\n");

	if (IS_HASWELL(dev))

		WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE,

		     "CPU PWM2 enabled\n");

	WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE,