Hi Dhinakaran, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on v4.18-rc8 next-20180810] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dhinakaran-Pandiyan/drm-i915-psr-Add-missing-check-for-I915_PSR_DEBUG_IRQ-bit/20180812-143531 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-x018-201832 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/gpu//drm/i915/i915_debugfs.c: In function 'i915_edp_psr_status': >> drivers/gpu//drm/i915/i915_debugfs.c:2738:39: error: 'I915_PSR_DEBUG_IRQ' undeclared (first use in this function); did you mean 'EDP_PSR_DEBUG'? if (READ_ONCE(dev_priv->psr.debug) & I915_PSR_DEBUG_IRQ) { ^~~~~~~~~~~~~~~~~~ EDP_PSR_DEBUG drivers/gpu//drm/i915/i915_debugfs.c:2738:39: note: each undeclared identifier is reported only once for each function it appears in vim +2738 drivers/gpu//drm/i915/i915_debugfs.c 2692 2693 static int i915_edp_psr_status(struct seq_file *m, void *data) 2694 { 2695 struct drm_i915_private *dev_priv = node_to_i915(m->private); 2696 u32 psrperf = 0; 2697 bool enabled = false; 2698 bool sink_support; 2699 2700 if (!HAS_PSR(dev_priv)) 2701 return -ENODEV; 2702 2703 sink_support = dev_priv->psr.sink_support; 2704 seq_printf(m, "Sink_Support: %s\n", yesno(sink_support)); 2705 if (!sink_support) 2706 return 0; 2707 2708 intel_runtime_pm_get(dev_priv); 2709 2710 mutex_lock(&dev_priv->psr.lock); 2711 seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); 2712 seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", 2713 dev_priv->psr.busy_frontbuffer_bits); 2714 2715 if (dev_priv->psr.psr2_enabled) 2716 enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE; 2717 else 2718 enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; 2719 2720 seq_printf(m, "Main link in standby mode: %s\n", 2721 yesno(dev_priv->psr.link_standby)); 2722 2723 seq_printf(m, "HW Enabled & Active bit: %s\n", yesno(enabled)); 2724 2725 /* 2726 * SKL+ Perf counter is reset to 0 everytime DC state is entered 2727 */ 2728 if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { 2729 psrperf = I915_READ(EDP_PSR_PERF_CNT) & 2730 EDP_PSR_PERF_CNT_MASK; 2731 2732 seq_printf(m, "Performance_Counter: %u\n", psrperf); 2733 } 2734 2735 psr_source_status(dev_priv, m); 2736 mutex_unlock(&dev_priv->psr.lock); 2737 > 2738 if (READ_ONCE(dev_priv->psr.debug) & I915_PSR_DEBUG_IRQ) { 2739 seq_printf(m, "Last attempted entry at: %lld\n", 2740 dev_priv->psr.last_entry_attempt); 2741 seq_printf(m, "Last exit at: %lld\n", 2742 dev_priv->psr.last_exit); 2743 } 2744 2745 intel_runtime_pm_put(dev_priv); 2746 return 0; 2747 } 2748 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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