From patchwork Thu Feb 5 10:47:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nick Hoath X-Patchwork-Id: 5783661 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 353C7BF440 for ; Thu, 5 Feb 2015 10:47:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6CC6220222 for ; Thu, 5 Feb 2015 10:47:40 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 956262014A for ; Thu, 5 Feb 2015 10:47:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 167A972096; Thu, 5 Feb 2015 02:47:39 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 173FC72095 for ; Thu, 5 Feb 2015 02:47:38 -0800 (PST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 05 Feb 2015 02:47:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,523,1418112000"; d="scan'208";a="673208344" Received: from nthoath-linux.isw.intel.com ([10.102.226.65]) by fmsmga002.fm.intel.com with ESMTP; 05 Feb 2015 02:47:35 -0800 From: Nick Hoath To: intel-gfx@lists.freedesktop.org Date: Thu, 5 Feb 2015 10:47:22 +0000 Message-Id: <1423133245-23953-8-git-send-email-nicholas.hoath@intel.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1423133245-23953-1-git-send-email-nicholas.hoath@intel.com> References: <1423133245-23953-1-git-send-email-nicholas.hoath@intel.com> Subject: [Intel-gfx] [PATCH 07/10] drm/i915: gen 9 h/w w/a (WaEnableYV12BugFixInHalfSliceChicken7) X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,GAPPY_SUBJECT, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Move WaEnableYV12BugFixInHalfSliceChicken7 to gen9_init_workarounds v1: Add stepping check. Signed-off-by: Nick Hoath Reviewed-by: Damien Lespiau --- drivers/gpu/drm/i915/i915_reg.h | 3 +++ drivers/gpu/drm/i915/intel_ringbuffer.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index dab4c1e..4ee1964 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6216,6 +6216,9 @@ enum skl_disp_power_wells { #define GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC (1<<5) #define GEN8_SAMPLER_POWER_BYPASS_DIS (1<<1) +#define GEN9_HALF_SLICE_CHICKEN7 0xe194 +#define GEN9_ENABLE_YV12_BUGFIX (1<<4) + /* Audio */ #define G4X_AUD_VID_DID (dev_priv->info.display_mmio_offset + 0x62020) #define INTEL_AUDIO_DEVCL 0x808629FB diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index baeec8f..884f319 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -896,6 +896,12 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) ~GEN9_DG_MIRROR_FIX_ENABLE); } + if (INTEL_REVID(dev) >= SKL_C0_REVID) { + /* WaEnableYV12BugFixInHalfSliceChicken7:skl */ + WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7, + GEN9_ENABLE_YV12_BUGFIX); + } + return 0; }