From patchwork Mon Jul 28 11:30:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 4633451 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9797B9F401 for ; Mon, 28 Jul 2014 11:30:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C3C2220176 for ; Mon, 28 Jul 2014 11:30:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id D477F20173 for ; Mon, 28 Jul 2014 11:30:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 63B8A6E1F3; Mon, 28 Jul 2014 04:30:30 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id B54856E1E6 for ; 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a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1406547020; bh=GkbF4oHAXcNCbG4nbuH0++QX/vYSFClchyyrgqi+wcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Z7tR9DKltB4lmLWDH56o5rG4kbNV4QTGaXCMn4KVamsU0dIKlzgMNE2zy87lXCxe3 Ycs2xi+rs1DNlU3abDojUau7MRimlPR3z5b5UYTHKHyOjuoPZodLa8oF/3ItSKouyU ymZIU9ID2h6Ck+xUIFlvQHJQiaP76h3DgEn7U5KA= X-DKIM: OpenDKIM Filter v2.0.2 smtp-01.vodafone.de E1278F3772 X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-01.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz3.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RW9xmsS1OxaA; Mon, 28 Jul 2014 13:30:14 +0200 (CEST) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org Subject: [PATCH 3/5] drm/radeon: add userptr flag to directly validate the BO to GTT Date: Mon, 28 Jul 2014 13:30:10 +0200 Message-Id: <1406547012-3105-3-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406547012-3105-1-git-send-email-deathsimple@vodafone.de> References: <1406547012-3105-1-git-send-email-deathsimple@vodafone.de> MIME-Version: 1.0 Cc: jglisse@redhat.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König Signed-off-by: Christian König --- drivers/gpu/drm/radeon/radeon_gem.c | 18 +++++++++++++++++- include/uapi/drm/radeon_drm.h | 1 + 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index e2c6f44..3ffb2f3 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -293,7 +293,7 @@ int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data, /* reject unknown flag values */ if (args->flags & ~(RADEON_GEM_USERPTR_READONLY | - RADEON_GEM_USERPTR_ANONONLY)) + RADEON_GEM_USERPTR_ANONONLY | RADEON_GEM_USERPTR_VALIDATE)) return -EINVAL; /* readonly pages not tested on older hardware */ @@ -314,6 +314,22 @@ int radeon_gem_userptr_ioctl(struct drm_device *dev, void *data, if (r) goto release_object; + if (args->flags & RADEON_GEM_USERPTR_VALIDATE) { + down_read(¤t->mm->mmap_sem); + r = radeon_bo_reserve(bo, true); + if (r) { + up_read(¤t->mm->mmap_sem); + goto release_object; + } + + radeon_ttm_placement_from_domain(bo, RADEON_GEM_DOMAIN_GTT); + r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false); + radeon_bo_unreserve(bo); + up_read(¤t->mm->mmap_sem); + if (r) + goto release_object; + } + r = drm_gem_handle_create(filp, gobj, &handle); /* drop reference from allocate - handle holds it now */ drm_gem_object_unreference_unlocked(gobj); diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 4080ad3..026111b 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -812,6 +812,7 @@ struct drm_radeon_gem_create { #define RADEON_GEM_USERPTR_READONLY (1 << 0) #define RADEON_GEM_USERPTR_ANONONLY (1 << 1) +#define RADEON_GEM_USERPTR_VALIDATE (1 << 2) struct drm_radeon_gem_userptr { uint64_t addr;