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 <ch...@chris-wilson.co.uk> --- 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 d6cf758..02de587 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1044,6 +1044,11 @@ 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 d0fcb61..552f95b 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx