From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH 15/24] drm/i915: Differentiate between prime and stolen objects Date: Tue, 4 Sep 2012 21:03:07 +0100 Message-ID: <1346788996-19080-16-git-send-email-chris@chris-wilson.co.uk> References: <1346788996-19080-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from fireflyinternet.com (smtp.fireflyinternet.com [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id 183E6A01D8 for ; Tue, 4 Sep 2012 13:06:26 -0700 (PDT) In-Reply-To: <1346788996-19080-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Stolen objects also share the property that they have no backing shmemfs filp, but they can be used with pwrite/pread/gtt-mapping. Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 5 +++++ drivers/gpu/drm/i915/i915_gem.c | 4 ++-- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 637babb..cc3cc4f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1049,6 +1049,11 @@ struct drm_i915_gem_object { atomic_t pending_flip; }; +inline static bool i915_gem_object_is_prime(struct drm_i915_gem_object *obj) +{ + return obj->base.import_attach != NULL; +} + #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base) /** diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 58075e3..f1cef1f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -553,7 +553,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, /* prime objects have no backing filp to GEM pread/pwrite * pages from. */ - if (!obj->base.filp) { + if (i915_gem_object_is_prime(obj)) { ret = -EINVAL; goto out; } @@ -902,7 +902,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, /* prime objects have no backing filp to GEM pread/pwrite * pages from. */ - if (!obj->base.filp) { + if (i915_gem_object_is_prime(obj)) { ret = -EINVAL; goto out; } -- 1.7.10.4