From patchwork Wed Aug 4 13:34:25 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 117037 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o74DaLCN013710 for ; Wed, 4 Aug 2010 13:36:56 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1DDF09EF26 for ; Wed, 4 Aug 2010 06:36:21 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (server109-228-4-14.live-servers.net [109.228.4.14]) by gabe.freedesktop.org (Postfix) with ESMTP id 118909EF0D; Wed, 4 Aug 2010 06:35:23 -0700 (PDT) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.66.37; Received: from arrandale.alporthouse.com (unverified [78.156.66.37]) by fireflyinternet.com (Firefly Internet SMTP) with ESMTP id 1763827-1500048 for multiple; Wed, 04 Aug 2010 14:37:03 +0100 From: Chris Wilson To: dri-devel@lists.freedesktop.org Date: Wed, 4 Aug 2010 14:34:25 +0100 Message-Id: <1280928865-15418-2-git-send-email-chris@chris-wilson.co.uk> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1280928865-15418-1-git-send-email-chris@chris-wilson.co.uk> References: <1280928865-15418-1-git-send-email-chris@chris-wilson.co.uk> X-Originating-IP: 78.156.66.37 Cc: intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH 2/2] drm/i915: Record error batch buffers using iomem X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 04 Aug 2010 13:36:56 +0000 (UTC) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 85785a8..8aed608 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -425,9 +425,11 @@ static struct drm_i915_error_object * i915_error_object_create(struct drm_device *dev, struct drm_gem_object *src) { + drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_error_object *dst; struct drm_i915_gem_object *src_priv; int page, page_count; + u32 reloc_offset; if (src == NULL) return NULL; @@ -442,18 +444,27 @@ i915_error_object_create(struct drm_device *dev, if (dst == NULL) return NULL; + reloc_offset = src_priv->gtt_offset; for (page = 0; page < page_count; page++) { - void *s, *d = kmalloc(PAGE_SIZE, GFP_ATOMIC); unsigned long flags; + void __iomem *s; + void *d; + d = kmalloc(PAGE_SIZE, GFP_ATOMIC); if (d == NULL) goto unwind; + local_irq_save(flags); - s = kmap_atomic(src_priv->pages[page], KM_IRQ0); - memcpy(d, s, PAGE_SIZE); - kunmap_atomic(s, KM_IRQ0); + s = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping, + reloc_offset, + KM_IRQ0); + memcpy_fromio(d, s, PAGE_SIZE); + io_mapping_unmap_atomic(s, KM_IRQ0); local_irq_restore(flags); + dst->pages[page] = d; + + reloc_offset += PAGE_SIZE; } dst->page_count = page_count; dst->gtt_offset = src_priv->gtt_offset; @@ -612,18 +623,57 @@ static void i915_capture_error_state(struct drm_device *dev) if (batchbuffer[1] == NULL && error->acthd >= obj_priv->gtt_offset && - error->acthd < obj_priv->gtt_offset + obj->size && - batchbuffer[0] != obj) + error->acthd < obj_priv->gtt_offset + obj->size) batchbuffer[1] = obj; count++; } + /* Scan the other lists for completeness for those bizarre errors. */ + if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) { + list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, list) { + struct drm_gem_object *obj = &obj_priv->base; + + if (batchbuffer[0] == NULL && + bbaddr >= obj_priv->gtt_offset && + bbaddr < obj_priv->gtt_offset + obj->size) + batchbuffer[0] = obj; + + if (batchbuffer[1] == NULL && + error->acthd >= obj_priv->gtt_offset && + error->acthd < obj_priv->gtt_offset + obj->size) + batchbuffer[1] = obj; + + if (batchbuffer[0] && batchbuffer[1]) + break; + } + } + if (batchbuffer[0] == NULL || batchbuffer[1] == NULL) { + list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) { + struct drm_gem_object *obj = &obj_priv->base; + + if (batchbuffer[0] == NULL && + bbaddr >= obj_priv->gtt_offset && + bbaddr < obj_priv->gtt_offset + obj->size) + batchbuffer[0] = obj; + + if (batchbuffer[1] == NULL && + error->acthd >= obj_priv->gtt_offset && + error->acthd < obj_priv->gtt_offset + obj->size) + batchbuffer[1] = obj; + + if (batchbuffer[0] && batchbuffer[1]) + break; + } + } /* We need to copy these to an anonymous buffer as the simplest * method to avoid being overwritten by userpace. */ error->batchbuffer[0] = i915_error_object_create(dev, batchbuffer[0]); - error->batchbuffer[1] = i915_error_object_create(dev, batchbuffer[1]); + if (batchbuffer[1] != batchbuffer[0]) + error->batchbuffer[1] = i915_error_object_create(dev, batchbuffer[1]); + else + error->batchbuffer[1] = NULL; /* Record the ringbuffer */ error->ringbuffer = i915_error_object_create(dev,