From patchwork Tue Oct 28 17:19:21 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: arun.siluvery@linux.intel.com X-Patchwork-Id: 5178771 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 79B06C11AC for ; Tue, 28 Oct 2014 17:29:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7B4DD201DD for ; Tue, 28 Oct 2014 17:29:51 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id CA89A20176 for ; Tue, 28 Oct 2014 17:29:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B5D2F6E48E; Tue, 28 Oct 2014 10:29:47 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 357F66E48E for ; Tue, 28 Oct 2014 10:29:46 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 28 Oct 2014 10:22:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,804,1406617200"; d="scan'208";a="622223575" Received: from asiluver-linux.isw.intel.com ([10.102.226.168]) by fmsmga002.fm.intel.com with ESMTP; 28 Oct 2014 10:19:25 -0700 From: Arun Siluvery To: intel-gfx@lists.freedesktop.org Date: Tue, 28 Oct 2014 17:19:21 +0000 Message-Id: <1414516762-27254-1-git-send-email-arun.siluvery@linux.intel.com> X-Mailer: git-send-email 2.1.2 Cc: Deepak S Subject: [Intel-gfx] [PATCH] drm/i915: Initialize workarounds in logical ring mode too X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Michel Thierry Following the legacy ring submission example, update the ring->init_context() hook to support the execlist submission mode. v2: update to use the new workaround macros and cleanup unused code. This takes care of both bdw and chv workarounds. v2.1: Add missing call to init_context() during deferred context creation. Issue: VIZ-4092 Issue: GMIN-3475 Change-Id: Ie3d093b2542ab0e2a44b90460533e2f979788d6c Cc: Deepak S Signed-off-by: Michel Thierry Signed-off-by: Arun Siluvery --- drivers/gpu/drm/i915/i915_gem_context.c | 2 +- drivers/gpu/drm/i915/intel_lrc.c | 46 ++++++++++++++++++++++++++++++++- drivers/gpu/drm/i915/intel_ringbuffer.c | 5 ++-- drivers/gpu/drm/i915/intel_ringbuffer.h | 4 ++- 4 files changed, 52 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index a5221d8..a37668f 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -629,7 +629,7 @@ done: if (uninitialized) { if (ring->init_context) { - ret = ring->init_context(ring); + ret = ring->init_context(ring->buffer); if (ret) DRM_ERROR("ring init context: %d\n", ret); } diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index cd74e5c..f3efdbd 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -991,6 +991,43 @@ int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords) return 0; } +static int intel_logical_ring_workarounds_emit(struct intel_ringbuffer *ringbuf) +{ + int ret, i; + struct intel_engine_cs *ring = ringbuf->ring; + struct drm_device *dev = ring->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct i915_workarounds *w = &dev_priv->workarounds; + + if (WARN_ON(w->count == 0)) + return 0; + + ring->gpu_caches_dirty = true; + ret = logical_ring_flush_all_caches(ringbuf); + if (ret) + return ret; + + ret = intel_logical_ring_begin(ringbuf, w->count * 2 + 2); + if (ret) + return ret; + + intel_logical_ring_emit(ringbuf, MI_LOAD_REGISTER_IMM(w->count)); + for (i = 0; i < w->count; i++) { + intel_logical_ring_emit(ringbuf, w->reg[i].addr); + intel_logical_ring_emit(ringbuf, w->reg[i].value); + } + intel_logical_ring_emit(ringbuf, MI_NOOP); + + intel_logical_ring_advance(ringbuf); + + ring->gpu_caches_dirty = true; + ret = logical_ring_flush_all_caches(ringbuf); + if (ret) + return ret; + + return 0; +} + static int gen8_init_common_ring(struct intel_engine_cs *ring) { struct drm_device *dev = ring->dev; @@ -1034,7 +1071,7 @@ static int gen8_init_render_ring(struct intel_engine_cs *ring) I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING)); - return ret; + return init_workarounds_ring(ring); } static int gen8_emit_bb_start(struct intel_ringbuffer *ringbuf, @@ -1282,6 +1319,7 @@ static int logical_render_ring_init(struct drm_device *dev) ring->irq_keep_mask |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT; ring->init = gen8_init_render_ring; + ring->init_context = intel_logical_ring_workarounds_emit; ring->cleanup = intel_fini_pipe_control; ring->get_seqno = gen8_get_seqno; ring->set_seqno = gen8_set_seqno; @@ -1745,6 +1783,12 @@ int intel_lr_context_deferred_create(struct intel_context *ctx, } if (ring->id == RCS && !ctx->rcs_initialized) { + if (ring->init_context) { + ret = ring->init_context(ringbuf); + if (ret) + DRM_ERROR("ring init context: %d\n", ret); + } + ret = intel_lr_context_render_state_init(ring, ctx); if (ret) { DRM_ERROR("Init render state failed: %d\n", ret); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 368b20a..70442fa 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -665,9 +665,10 @@ err: return ret; } -static int intel_ring_workarounds_emit(struct intel_engine_cs *ring) +static int intel_ring_workarounds_emit(struct intel_ringbuffer *ringbuf) { int ret, i; + struct intel_engine_cs *ring = ringbuf->ring; struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct i915_workarounds *w = &dev_priv->workarounds; @@ -806,7 +807,7 @@ static int chv_init_workarounds(struct intel_engine_cs *ring) return 0; } -static int init_workarounds_ring(struct intel_engine_cs *ring) +int init_workarounds_ring(struct intel_engine_cs *ring) { struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 96479c8..a69ef8b 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -148,7 +148,7 @@ struct intel_engine_cs { int (*init)(struct intel_engine_cs *ring); - int (*init_context)(struct intel_engine_cs *ring); + int (*init_context)(struct intel_ringbuffer *ringbuf); void (*write_tail)(struct intel_engine_cs *ring, u32 value); @@ -424,6 +424,8 @@ int intel_init_vebox_ring_buffer(struct drm_device *dev); u64 intel_ring_get_active_head(struct intel_engine_cs *ring); void intel_ring_setup_status_page(struct intel_engine_cs *ring); +int init_workarounds_ring(struct intel_engine_cs *ring); + static inline u32 intel_ring_get_tail(struct intel_ringbuffer *ringbuf) { return ringbuf->tail;