From patchwork Tue Oct 30 22:15:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 10661693 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8998D14DE for ; Tue, 30 Oct 2018 22:16:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A24D2A944 for ; Tue, 30 Oct 2018 22:16:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6E0672A976; Tue, 30 Oct 2018 22:16:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 22A792A944 for ; Tue, 30 Oct 2018 22:16:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 04D1889E65; Tue, 30 Oct 2018 22:16:01 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4292089E65 for ; Tue, 30 Oct 2018 22:16:00 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Oct 2018 15:15:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,446,1534834800"; d="scan'208";a="96380659" Received: from rdvivi-vienna.jf.intel.com ([10.7.196.65]) by orsmga003.jf.intel.com with ESMTP; 30 Oct 2018 15:15:56 -0700 From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Tue, 30 Oct 2018 15:15:55 -0700 Message-Id: <20181030221555.32001-1-rodrigo.vivi@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181030181647.GE9144@intel.com> References: <20181030181647.GE9144@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915: Define WA 0870 and kill dead code. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rodrigo Vivi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Let's introduce the WA number that is the cause of having NV12 disabled on both SLK and BXT. According to Spec: WA 0870: "Display flickers with NV12 video playback in Y tiling mode. WA: Use YUV422 surface format instead of NV12." v2: remove the useless dead code and consequently avoiding device info flag. (Ville) Cc: Ville Syrjälä Signed-off-by: Rodrigo Vivi Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_display.c | 6 ------ drivers/gpu/drm/i915/intel_sprite.c | 1 + 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ce60aefc14d7..360d248a59b4 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -458,9 +458,6 @@ static const struct intel_limit intel_limits_bxt = { static void skl_wa_clkgate(struct drm_i915_private *dev_priv, int pipe, bool enable) { - if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv)) - return; - if (enable) I915_WRITE(CLKGATE_DIS_PSL(pipe), DUPS1_GATING_DIS | DUPS2_GATING_DIS); @@ -5227,9 +5224,6 @@ static bool needs_nv12_wa(struct drm_i915_private *dev_priv, if (!crtc_state->nv12_planes) return false; - if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv)) - return false; - if ((IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) || IS_CANNONLAKE(dev_priv)) return true; diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index e7c95ec879cc..370c827294d8 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -1868,6 +1868,7 @@ static bool skl_plane_has_planar(struct drm_i915_private *dev_priv, if (INTEL_GEN(dev_priv) >= 11) return plane_id <= PLANE_SPRITE3; + /* Display WA #0870: skl, bxt */ if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv)) return false;