From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: [PATCH 55/62] [v2] drm/i915/bdw: Disable semaphores Date: Mon, 4 Nov 2013 19:45:44 -0800 Message-ID: <1383623144-8175-1-git-send-email-benjamin.widawsky@intel.com> References: <20131104101843.662e1ed0@jbarnes-desktop> 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 7A382EDE09 for ; Mon, 4 Nov 2013 19:45:49 -0800 (PST) In-Reply-To: <20131104101843.662e1ed0@jbarnes-desktop> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Intel GFX Cc: Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org From: Ben Widawsky We've done insufficient testing on them thus far, so keep them disabled until we do test. v2: Use WARN when not enabling preliminary HW support as this should only be disabled for that case. Cc: Jesse Barnes Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_drv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e0a061b..45981c5 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -478,6 +478,13 @@ bool i915_semaphore_is_enabled(struct drm_device *dev) if (INTEL_INFO(dev)->gen < 6) return 0; + /* Until we get further testing... */ + if (IS_GEN8(dev)) { + WARN_ON(!i915_preliminary_hw_support); + DRM_INFO("Semaphores disabled GEN8\n"); + return 0; + } + if (i915_semaphores >= 0) return i915_semaphores; -- 1.8.4.2