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>
Reviewed-by: Jesse Barnes <jbar...@virtuousgeek.org>
Reviewed-by: Ben Widawsky <b...@bwidawsk.net>
---
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 9705380..b29ee03 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1098,6 +1098,11 @@ 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 cdcf19d..a6a2893 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -552,7 +552,7 @@ 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;
}
@@ -901,7 +901,7 @@ 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
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