From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: [PATCH 42/68] drm/i915: Extract context switch skip logic Date: Thu, 21 Aug 2014 20:12:05 -0700 Message-ID: <1408677155-1840-43-git-send-email-benjamin.widawsky@intel.com> References: <1408677155-1840-1-git-send-email-benjamin.widawsky@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id B39E36E86F for ; Thu, 21 Aug 2014 20:13:35 -0700 (PDT) In-Reply-To: <1408677155-1840-1-git-send-email-benjamin.widawsky@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 Cc: Ben Widawsky , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org We have some fanciness coming up. This patch just breaks out the logic. Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_gem_context.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 51b517e..6d341ef 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -860,6 +860,16 @@ unpin_out: return ret; } +static inline bool should_skip_switch(struct intel_engine_cs *ring, + struct intel_context *from, + struct intel_context *to) +{ + if (from == to && !to->remap_slice) + return true; + + return false; +} + /** * i915_switch_context() - perform a GPU context switch. * @ring: ring for which we'll execute the context switch -- 2.0.4