From mboxrd@z Thu Jan 1 00:00:00 1970 From: oscar.mateo@intel.com Subject: [PATCH 16/49] drm/i915/bdw: GEN8 new ring flush Date: Thu, 27 Mar 2014 17:59:45 +0000 Message-ID: <1395943218-7708-17-git-send-email-oscar.mateo@intel.com> References: <1395943218-7708-1-git-send-email-oscar.mateo@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 0263B6E9EA for ; Thu, 27 Mar 2014 10:09:28 -0700 (PDT) In-Reply-To: <1395943218-7708-1-git-send-email-oscar.mateo@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 Cc: Ben Widawsky , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org From: Ben Widawsky The BSD invalidate bit is no longer present, and we can consolidate the blt and bsd ring flushes into one. This helps prep the code to more easily handle logical ring contexts. This partially reverts: commit 65ea32ce040a0a9a907362e9a362a842fd18cb21 Author: Ben Widawsky Date: Thu Dec 13 14:57:32 2012 -0800 drm/i915/bdw: Update MI_FLUSH_DW Signed-off-by: Ben Widawsky v2: Several rebases. Do not forget the VEBOX. Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/intel_ringbuffer.c | 57 +++++++++++++++++++++------------ 1 file changed, 36 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index e4b4c57..240e86a 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1801,6 +1801,30 @@ static void gen6_bsd_ring_write_tail(struct intel_engine *ring, _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); } +static int gen8_ring_flush(struct intel_engine *ring, + u32 invalidate, u32 flush) +{ + uint32_t cmd; + int ret; + + ret = intel_ring_begin(ring, 4); + if (ret) + return ret; + + cmd = MI_FLUSH_DW + 1; + + if (invalidate & I915_GEM_GPU_DOMAINS) + cmd |= MI_INVALIDATE_TLB | MI_FLUSH_DW_STORE_INDEX | + MI_FLUSH_DW_OP_STOREDW; + intel_ring_emit(ring, cmd); + intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT); + intel_ring_emit(ring, 0); /* upper addr */ + intel_ring_emit(ring, 0); /* value */ + intel_ring_advance(ring); + + return 0; +} + static int gen6_bsd_ring_flush(struct intel_engine *ring, u32 invalidate, u32 flush) { @@ -1812,8 +1836,7 @@ static int gen6_bsd_ring_flush(struct intel_engine *ring, return ret; cmd = MI_FLUSH_DW; - if (INTEL_INFO(ring->dev)->gen >= 8) - cmd += 1; + /* * Bspec vol 1c.5 - video engine command streamer: * "If ENABLED, all TLBs will be invalidated once the flush @@ -1825,13 +1848,9 @@ static int gen6_bsd_ring_flush(struct intel_engine *ring, MI_FLUSH_DW_STORE_INDEX | MI_FLUSH_DW_OP_STOREDW; intel_ring_emit(ring, cmd); intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT); - if (INTEL_INFO(ring->dev)->gen >= 8) { - intel_ring_emit(ring, 0); /* upper addr */ - intel_ring_emit(ring, 0); /* value */ - } else { - intel_ring_emit(ring, 0); - intel_ring_emit(ring, MI_NOOP); - } + intel_ring_emit(ring, 0); + intel_ring_emit(ring, MI_NOOP); + intel_ring_advance(ring); return 0; } @@ -1916,8 +1935,7 @@ static int gen6_ring_flush(struct intel_engine *ring, return ret; cmd = MI_FLUSH_DW; - if (INTEL_INFO(ring->dev)->gen >= 8) - cmd += 1; + /* * Bspec vol 1c.3 - blitter engine command streamer: * "If ENABLED, all TLBs will be invalidated once the flush @@ -1929,13 +1947,7 @@ static int gen6_ring_flush(struct intel_engine *ring, MI_FLUSH_DW_OP_STOREDW; intel_ring_emit(ring, cmd); intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT); - if (INTEL_INFO(ring->dev)->gen >= 8) { - intel_ring_emit(ring, 0); /* upper addr */ - intel_ring_emit(ring, 0); /* value */ - } else { - intel_ring_emit(ring, 0); - intel_ring_emit(ring, MI_NOOP); - } + intel_ring_emit(ring, MI_NOOP); intel_ring_advance(ring); if (IS_GEN7(dev) && !invalidate && flush) @@ -2123,7 +2135,6 @@ int intel_init_bsd_ring(struct drm_device *dev) /* gen6 bsd needs a special wa for tail updates */ if (IS_GEN6(dev)) ring->write_tail = gen6_bsd_ring_write_tail; - ring->flush = gen6_bsd_ring_flush; ring->add_request = gen6_add_request; ring->get_seqno = gen6_ring_get_seqno; ring->set_seqno = ring_set_seqno; @@ -2132,6 +2143,7 @@ int intel_init_bsd_ring(struct drm_device *dev) ring->write_tail = gen8_write_tail_lrc; ring->init = init_ring_common_lrc; } + ring->flush = gen8_ring_flush; ring->add_request = gen8_add_request; ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT; @@ -2140,6 +2152,7 @@ int intel_init_bsd_ring(struct drm_device *dev) ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer; } else { + ring->flush = gen6_bsd_ring_flush; ring->irq_enable_mask = GT_BSD_USER_INTERRUPT; ring->irq_get = gen6_ring_get_irq; ring->irq_put = gen6_ring_put_irq; @@ -2182,7 +2195,6 @@ int intel_init_blt_ring(struct drm_device *dev) ring->write_tail = ring_write_tail; ring->init = init_ring_common; - ring->flush = gen6_ring_flush; ring->add_request = gen6_add_request; ring->get_seqno = gen6_ring_get_seqno; ring->set_seqno = ring_set_seqno; @@ -2191,6 +2203,7 @@ int intel_init_blt_ring(struct drm_device *dev) ring->write_tail = gen8_write_tail_lrc; ring->init = init_ring_common_lrc; } + ring->flush = gen8_ring_flush; ring->add_request = gen8_add_request; ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT; @@ -2198,6 +2211,7 @@ int intel_init_blt_ring(struct drm_device *dev) ring->irq_put = gen8_ring_put_irq; ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer; } else { + ring->flush = gen6_ring_flush; ring->irq_enable_mask = GT_BLT_USER_INTERRUPT; ring->irq_get = gen6_ring_get_irq; ring->irq_put = gen6_ring_put_irq; @@ -2223,7 +2237,6 @@ int intel_init_vebox_ring(struct drm_device *dev) ring->write_tail = ring_write_tail; ring->init = init_ring_common; - ring->flush = gen6_ring_flush; ring->add_request = gen6_add_request; ring->get_seqno = gen6_ring_get_seqno; ring->set_seqno = ring_set_seqno; @@ -2232,6 +2245,7 @@ int intel_init_vebox_ring(struct drm_device *dev) ring->write_tail = gen8_write_tail_lrc; ring->init = init_ring_common_lrc; } + ring->flush = gen8_ring_flush; ring->add_request = gen8_add_request; ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT; @@ -2239,6 +2253,7 @@ int intel_init_vebox_ring(struct drm_device *dev) ring->irq_put = gen8_ring_put_irq; ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer; } else { + ring->flush = gen6_ring_flush; ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT; ring->irq_get = hsw_vebox_get_irq; ring->irq_put = hsw_vebox_put_irq; -- 1.9.0