From patchwork Wed Mar 24 15:25:49 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerome Glisse X-Patchwork-Id: 87938 Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o2OFRNVK014527 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 24 Mar 2010 15:28:01 GMT Received: from localhost ([127.0.0.1] helo=sfs-ml-2.v29.ch3.sourceforge.com) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1NuSTF-00081f-Cf; Wed, 24 Mar 2010 15:26:13 +0000 Received: from sfi-mx-2.v28.ch3.sourceforge.com ([172.29.28.122] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1NuSTD-00081K-O8 for dri-devel@lists.sourceforge.net; Wed, 24 Mar 2010 15:26:11 +0000 Received-SPF: fail (sfi-mx-2.v28.ch3.sourceforge.com: domain of redhat.com does not designate 88.191.38.29 as permitted sender) client-ip=88.191.38.29; envelope-from=jglisse@redhat.com; helo=nox.protox.org; Received: from nox.protox.org ([88.191.38.29]) by sfi-mx-2.v28.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1NuSTC-0004Cl-Np for dri-devel@lists.sourceforge.net; Wed, 24 Mar 2010 15:26:11 +0000 Received: from localhost.localdomain (lag77-1-82-238-106-69.fbx.proxad.net [82.238.106.69]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by nox.protox.org (Postfix) with ESMTPSA id 52D99169E4A; Wed, 24 Mar 2010 16:25:57 +0100 (CET) From: Jerome Glisse To: airlied@gmail.com Subject: [PATCH 12/14] drm/ttm: remove io_ field from TTM V3 Date: Wed, 24 Mar 2010 16:25:49 +0100 Message-Id: <1269444350-20154-13-git-send-email-jglisse@redhat.com> X-Mailer: git-send-email 1.6.6.1 In-Reply-To: <1269444350-20154-12-git-send-email-jglisse@redhat.com> References: <1269444350-20154-1-git-send-email-jglisse@redhat.com> <1269444350-20154-2-git-send-email-jglisse@redhat.com> <1269444350-20154-3-git-send-email-jglisse@redhat.com> <1269444350-20154-4-git-send-email-jglisse@redhat.com> <1269444350-20154-5-git-send-email-jglisse@redhat.com> <1269444350-20154-6-git-send-email-jglisse@redhat.com> <1269444350-20154-7-git-send-email-jglisse@redhat.com> <1269444350-20154-8-git-send-email-jglisse@redhat.com> <1269444350-20154-9-git-send-email-jglisse@redhat.com> <1269444350-20154-10-git-send-email-jglisse@redhat.com> <1269444350-20154-11-git-send-email-jglisse@redhat.com> <1269444350-20154-12-git-send-email-jglisse@redhat.com> X-Spam-Score: 5.0 (+++++) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 4.0 SPF_CHECK_FAIL SPF reports sender host as NOT permitted to send mails from 1.0 SPF_FAIL SPF: sender does not match SPF record (fail) X-Headers-End: 1NuSTC-0004Cl-Np Cc: Jerome Glisse , dri-devel@lists.sf.net X-BeenThere: dri-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.sourceforge.net X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 24 Mar 2010 15:28:01 +0000 (UTC) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 3131416..e3fa47c 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -79,8 +79,6 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type) printk(KERN_ERR TTM_PFX " use_type: %d\n", man->use_type); printk(KERN_ERR TTM_PFX " flags: 0x%08X\n", man->flags); printk(KERN_ERR TTM_PFX " gpu_offset: 0x%08lX\n", man->gpu_offset); - printk(KERN_ERR TTM_PFX " io_offset: 0x%08lX\n", man->io_offset); - printk(KERN_ERR TTM_PFX " io_size: %ld\n", man->io_size); printk(KERN_ERR TTM_PFX " size: %llu\n", man->size); printk(KERN_ERR TTM_PFX " available_caching: 0x%08X\n", man->available_caching); @@ -1563,26 +1561,6 @@ bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) return true; } -int ttm_bo_pci_offset(struct ttm_bo_device *bdev, - struct ttm_mem_reg *mem, - unsigned long *bus_base, - unsigned long *bus_offset, unsigned long *bus_size) -{ - struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; - - *bus_size = 0; - if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE)) - return -EINVAL; - - if (ttm_mem_reg_is_pci(bdev, mem)) { - *bus_offset = mem->mm_node->start << PAGE_SHIFT; - *bus_size = mem->num_pages << PAGE_SHIFT; - *bus_base = man->io_offset + (uintptr_t)man->io_addr; - } - - return 0; -} - void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo) { struct ttm_bo_device *bdev = bo->bdev; diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index d5b1de6..14192d9 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -83,30 +83,18 @@ EXPORT_SYMBOL(ttm_bo_move_ttm); int ttm_mem_io_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) { - int ret; + int ret = 0; - if (bdev->driver->io_mem_reserve) { - if (!atomic_xchg(&mem->bus.use_count, 1)) { - ret = bdev->driver->io_mem_reserve(bdev, mem); - if (unlikely(ret != 0)) { - return ret; - } - } - } else { - ret = ttm_bo_pci_offset(bdev, mem, &mem->bus.base, &mem->bus.offset, &mem->bus.size); - if (unlikely(ret != 0)) - return ret; - mem->bus.is_iomem = (mem->bus.size > 0) ? 1 : 0; + if (!atomic_xchg(&mem->bus.use_count, 1)) { + ret = bdev->driver->io_mem_reserve(bdev, mem); } - return 0; + return ret; } void ttm_mem_io_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) { - if (bdev->driver->io_mem_reserve) { - atomic_set(&mem->bus.use_count, 0); - bdev->driver->io_mem_free(bdev, mem); - } + atomic_set(&mem->bus.use_count, 0); + bdev->driver->io_mem_free(bdev, mem); } int ttm_mem_reg_ioremap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem, @@ -409,7 +397,7 @@ static int ttm_bo_ioremap(struct ttm_buffer_object *bo, if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP)) { map->bo_kmap_type = ttm_bo_map_premapped; - map->virtual = (void *)(((u8 *) man->io_addr) + bus_offset); + map->virtual = (void *)(bus_base + bus_offset); } else { map->bo_kmap_type = ttm_bo_map_iomap; if (mem->placement & TTM_PL_FLAG_WC) diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index da39865..35e2b9f 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -189,13 +189,6 @@ struct ttm_tt { * managed by this memory type. * @gpu_offset: If used, the GPU offset of the first managed page of * fixed memory or the first managed location in an aperture. - * @io_offset: The io_offset of the first managed page of IO memory or - * the first managed location in an aperture. For TTM_MEMTYPE_FLAG_CMA - * memory, this should be set to NULL. - * @io_size: The size of a managed IO region (fixed memory or aperture). - * @io_addr: Virtual kernel address if the io region is pre-mapped. For - * TTM_MEMTYPE_FLAG_NEEDS_IOREMAP there is no pre-mapped io map and - * @io_addr should be set to NULL. * @size: Size of the managed region. * @available_caching: A mask of available caching types, TTM_PL_FLAG_XX, * as defined in ttm_placement_common.h @@ -221,9 +214,6 @@ struct ttm_mem_type_manager { bool use_type; uint32_t flags; unsigned long gpu_offset; - unsigned long io_offset; - unsigned long io_size; - void *io_addr; uint64_t size; uint32_t available_caching; uint32_t default_caching;