From: Paulo Zanoni Date: Mon, 19 Aug 2013 16:18:08 +0000 (-0300) Subject: drm/i915: fix SDEIMR assertion when disabling LCPLL X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bd633a7c1ca0663ba10426a0a6aeda0257cbe804;p=linux-beck.git drm/i915: fix SDEIMR assertion when disabling LCPLL This was causing WARNs in one machine, so instead of trying to guess exactly which hotplug bits should exist, just do the test on the non-HPD bits. We don't care about the state of the hotplug bits, we just care about the others, that need to be 1. Signed-off-by: Paulo Zanoni Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a2c8cb360ae8..fc92773ef552 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5932,11 +5932,7 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) struct intel_ddi_plls *plls = &dev_priv->ddi_plls; struct intel_crtc *crtc; unsigned long irqflags; - uint32_t val, pch_hpd_mask; - - pch_hpd_mask = SDE_PORTB_HOTPLUG_CPT | SDE_PORTC_HOTPLUG_CPT; - if (!(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE)) - pch_hpd_mask |= SDE_PORTD_HOTPLUG_CPT | SDE_CRT_HOTPLUG_CPT; + uint32_t val; list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) WARN(crtc->base.enabled, "CRTC for pipe %c enabled\n", @@ -5962,7 +5958,7 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) WARN((val & ~DE_PCH_EVENT_IVB) != val, "Unexpected DEIMR bits enabled: 0x%x\n", val); val = I915_READ(SDEIMR); - WARN((val & ~pch_hpd_mask) != val, + WARN((val | SDE_HOTPLUG_MASK_CPT) != 0xffffffff, "Unexpected SDEIMR bits enabled: 0x%x\n", val); spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); }