From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Xiang, Haihao" Subject: [Intel gfx][i-g-t PATCH 3/4] rendercopy/bdw: A workaround for 3D pipeline Date: Fri, 6 Dec 2013 16:54:46 +0800 Message-ID: <1386320087-3017-3-git-send-email-haihao.xiang@intel.com> References: <1386320087-3017-1-git-send-email-haihao.xiang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id BEE59FA6BC for ; Fri, 6 Dec 2013 00:53:25 -0800 (PST) In-Reply-To: <1386320087-3017-1-git-send-email-haihao.xiang@intel.com> 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@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org From: "Xiang, Haihao" Emit PIPELINE_SELECT twice and make sure the commands in the first batch buffer have been done. However I don't know why this works !!! Signed-off-by: Xiang, Haihao --- lib/rendercopy_gen8.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/lib/rendercopy_gen8.c b/lib/rendercopy_gen8.c index 1a137dd..6eb1051 100644 --- a/lib/rendercopy_gen8.c +++ b/lib/rendercopy_gen8.c @@ -148,7 +148,8 @@ batch_copy(struct intel_batchbuffer *batch, const void *ptr, uint32_t size, uint static void gen6_render_flush(struct intel_batchbuffer *batch, - drm_intel_context *context, uint32_t batch_end) + drm_intel_context *context, uint32_t batch_end, + int waiting) { int ret; @@ -157,6 +158,11 @@ gen6_render_flush(struct intel_batchbuffer *batch, ret = drm_intel_gem_bo_context_exec(batch->bo, context, batch_end, 0); assert(ret == 0); + + if (waiting) { + dri_bo_map(batch->bo, 0); + dri_bo_unmap(batch->bo); + } } /* Mostly copy+paste from gen6, except height, width, pitch moved */ @@ -880,6 +886,15 @@ void gen8_render_copyfunc(struct intel_batchbuffer *batch, intel_batchbuffer_flush_with_context(batch, context); + /* I don't know why it works !!! */ + batch->ptr = batch->buffer; + OUT_BATCH(GEN6_PIPELINE_SELECT | PIPELINE_SELECT_3D); + OUT_BATCH(MI_BATCH_BUFFER_END); + batch_end = batch_align(batch, 8); + assert(batch_end < BATCH_STATE_SPLIT); + gen6_render_flush(batch, context, batch_end, 1); + intel_batchbuffer_reset(batch); + batch_align(batch, 8); batch->ptr = &batch->buffer[BATCH_STATE_SPLIT]; @@ -968,6 +983,6 @@ void gen8_render_copyfunc(struct intel_batchbuffer *batch, annotation_flush(&aub_annotations, batch); - gen6_render_flush(batch, context, batch_end); + gen6_render_flush(batch, context, batch_end, 0); intel_batchbuffer_reset(batch); } -- 1.7.9.5