From mboxrd@z Thu Jan 1 00:00:00 1970 From: deepak.s@linux.intel.com Subject: [PATCH 02/10] drm/i915: Enable PM Interrupts target via Display Interface. Date: Mon, 21 Apr 2014 13:34:06 +0530 Message-ID: <1398067454-7581-3-git-send-email-deepak.s@linux.intel.com> References: <1398067454-7581-2-git-send-email-deepak.s@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id ECEBC6E2CF for ; Mon, 21 Apr 2014 01:04:45 -0700 (PDT) In-Reply-To: <1398067454-7581-2-git-send-email-deepak.s@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org From: Deepak S In BDW, Apart from unmasking up/down threshold interrupts. we need to umask bit 32 of PM_INTRMASK to route interrupts to target via Display Interface. v2: Add (1<<31) mask (Ville) Signed-off-by: Deepak S --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c2dd436..b951d61 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5105,6 +5105,7 @@ enum punit_power_well { #define GEN6_RC6p_THRESHOLD 0xA0BC #define GEN6_RC6pp_THRESHOLD 0xA0C0 #define GEN6_PMINTRMSK 0xA168 +#define GEN8_PMINTR_REDIRECT_TO_NON_DISP (1<<31) #define GEN6_PMISR 0x44020 #define GEN6_PMIMR 0x44024 /* rps_lock */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3dccee6..f3c5bce 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3066,6 +3066,8 @@ static u32 gen6_rps_pm_mask(struct drm_i915_private *dev_priv, u8 val) if (INTEL_INFO(dev_priv->dev)->gen <= 7 && !IS_HASWELL(dev_priv->dev)) mask |= GEN6_PM_RP_UP_EI_EXPIRED; + mask |= GEN8_PMINTR_REDIRECT_TO_NON_DISP; + return ~mask; } -- 1.9.1