From patchwork Thu Oct 25 19:15:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 1647161 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork1.kernel.org (Postfix) with ESMTP id E57B13FE1C for ; Thu, 25 Oct 2012 19:18:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B08B0A0AAC for ; Thu, 25 Oct 2012 12:18:39 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy9.bluehost.com (oproxy9.bluehost.com [69.89.24.6]) by gabe.freedesktop.org (Postfix) with SMTP id 9A0CEA0A93 for ; Thu, 25 Oct 2012 12:15:50 -0700 (PDT) Received: (qmail 27340 invoked by uid 0); 25 Oct 2012 19:15:50 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by oproxy9.bluehost.com with SMTP; 25 Oct 2012 19:15:50 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuousgeek.org; s=default; h=Message-Id:Date:Subject:To:From; bh=A1ddsi5sEKrRTomcUaHbH1K6HXQhQla0VQ6VR/SEUqw=; b=fW8LDd6zO9UaUcs5OnQF+UqFSoLEf4oj8506qvuP1JzFYIwqCakxAeH5YLV3N4Y/XWSYepM+wNundzkeRE/v8cBkFVv0xiuJwavDuJe9ynVKm/kCxmvnOnyWQq/51ysp; Received: from [67.161.37.189] (port=50070 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1TRSuD-0000wA-U4 for intel-gfx@lists.freedesktop.org; Thu, 25 Oct 2012 13:15:50 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Thu, 25 Oct 2012 12:15:41 -0700 Message-Id: <1351192548-2992-1-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.9.5 X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 1/8] drm/i915: implement WaDisableL3CacheAging on VLV X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Needs to be set on every context restore as well, so set it as part of the initial state so we can save/restore it. Note this removes the IVB workaround value from VLV and uses the default value, just adding in the L3 cache aging disable bit, since the IVB value is wrong for VLV. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index be22aeb..5da227b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3449,6 +3449,7 @@ #define GEN7_L3CNTLREG1 0xB01C #define GEN7_WA_FOR_GEN7_L3_CONTROL 0x3C4FFF8C +#define GEN7_L3AGDIS (1<<19) #define GEN7_L3_CHICKEN_MODE_REGISTER 0xB030 #define GEN7_WA_L3_CHICKEN_MODE 0x20000000 diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 59068be..d4ddcf2 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3635,7 +3635,7 @@ static void valleyview_init_clock_gating(struct drm_device *dev) GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC); /* WaApplyL3ControlAndL3ChickenMode requires those two on Ivy Bridge */ - I915_WRITE(GEN7_L3CNTLREG1, GEN7_WA_FOR_GEN7_L3_CONTROL); + I915_WRITE(GEN7_L3CNTLREG1, I915_READ(GEN7_L3CNTLREG1) | GEN7_L3AGDIS); I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER, GEN7_WA_L3_CHICKEN_MODE); /* WaForceL3Serialization */