From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Daniel Subject: [PATCH 17/43] drm/i915/bdw: GEN-specific logical ring set/get seqno Date: Thu, 24 Jul 2014 17:04:25 +0100 Message-ID: <1406217891-8912-18-git-send-email-thomas.daniel@intel.com> References: <1406217891-8912-1-git-send-email-thomas.daniel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id E80B96E733 for ; Thu, 24 Jul 2014 09:05:10 -0700 (PDT) In-Reply-To: <1406217891-8912-1-git-send-email-thomas.daniel@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@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org From: Oscar Mateo No mistery here: the seqno is still retrieved from the engine's HW status page (the one in the default context. For the moment, I see no reason to worry about other context's HWS page). Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/intel_lrc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 7c8b75e..f171fd5 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -149,6 +149,16 @@ static int gen8_init_render_ring(struct intel_engine_cs *ring) return ret; } +static u32 gen8_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency) +{ + return intel_read_status_page(ring, I915_GEM_HWS_INDEX); +} + +static void gen8_set_seqno(struct intel_engine_cs *ring, u32 seqno) +{ + intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno); +} + void intel_logical_ring_cleanup(struct intel_engine_cs *ring) { if (!intel_ring_initialized(ring)) @@ -221,6 +231,8 @@ static int logical_render_ring_init(struct drm_device *dev) ring->init = gen8_init_render_ring; ring->cleanup = intel_fini_pipe_control; + ring->get_seqno = gen8_get_seqno; + ring->set_seqno = gen8_set_seqno; return logical_ring_init(dev, ring); } @@ -237,6 +249,8 @@ static int logical_bsd_ring_init(struct drm_device *dev) GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT; ring->init = gen8_init_common_ring; + ring->get_seqno = gen8_get_seqno; + ring->set_seqno = gen8_set_seqno; return logical_ring_init(dev, ring); } @@ -253,6 +267,8 @@ static int logical_bsd2_ring_init(struct drm_device *dev) GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT; ring->init = gen8_init_common_ring; + ring->get_seqno = gen8_get_seqno; + ring->set_seqno = gen8_set_seqno; return logical_ring_init(dev, ring); } @@ -269,6 +285,8 @@ static int logical_blt_ring_init(struct drm_device *dev) GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT; ring->init = gen8_init_common_ring; + ring->get_seqno = gen8_get_seqno; + ring->set_seqno = gen8_set_seqno; return logical_ring_init(dev, ring); } @@ -285,6 +303,8 @@ static int logical_vebox_ring_init(struct drm_device *dev) GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT; ring->init = gen8_init_common_ring; + ring->get_seqno = gen8_get_seqno; + ring->set_seqno = gen8_set_seqno; return logical_ring_init(dev, ring); } -- 1.7.9.5