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path: root/drivers/gpu/drm/i915/i915_gem_execbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 3eea143749f6..48e4317e72dc 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -128,15 +128,6 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
target_i915_obj->cache_level);
}
- /* The target buffer should have appeared before us in the
- * exec_object list, so it should have a GTT space bound by now.
- */
- if (unlikely(target_offset == 0)) {
- DRM_DEBUG("No GTT space found for object %d\n",
- reloc->target_handle);
- return ret;
- }
-
/* Validate that the target is in a valid r/w GPU domain */
if (unlikely(reloc->write_domain & (reloc->write_domain - 1))) {
DRM_DEBUG("reloc with multiple write domains: "
@@ -672,7 +663,7 @@ i915_gem_execbuffer_move_to_gpu(struct intel_ring_buffer *ring,
}
if (flush_domains & I915_GEM_DOMAIN_CPU)
- intel_gtt_chipset_flush();
+ i915_gem_chipset_flush(ring->dev);
if (flush_domains & I915_GEM_DOMAIN_GTT)
wmb();
@@ -800,6 +791,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
u32 exec_start, exec_len;
u32 seqno;
u32 mask;
+ u32 flags;
int ret, mode, i;
if (!i915_gem_check_execbuffer(args)) {
@@ -811,6 +803,14 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (ret)
return ret;
+ flags = 0;
+ if (args->flags & I915_EXEC_SECURE) {
+ if (!file->is_master || !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ flags |= I915_DISPATCH_SECURE;
+ }
+
switch (args->flags & I915_EXEC_RING_MASK) {
case I915_EXEC_DEFAULT:
case I915_EXEC_RENDER:
@@ -983,6 +983,13 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
}
batch_obj->base.pending_read_domains |= I915_GEM_DOMAIN_COMMAND;
+ /* snb/ivb/vlv conflate the "batch in ppgtt" bit with the "non-secure
+ * batch" bit. Hence we need to pin secure batches into the global gtt.
+ * hsw should have this fixed, but let's be paranoid and do it
+ * unconditionally for now. */
+ if (flags & I915_DISPATCH_SECURE && !batch_obj->has_global_gtt_mapping)
+ i915_gem_gtt_bind_object(batch_obj, batch_obj->cache_level);
+
ret = i915_gem_execbuffer_move_to_gpu(ring, &objects);
if (ret)
goto err;
@@ -1028,7 +1035,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto err;
}
- trace_i915_gem_ring_dispatch(ring, seqno);
+ trace_i915_gem_ring_dispatch(ring, seqno, flags);
exec_start = batch_obj->gtt_offset + args->batch_start_offset;
exec_len = args->batch_len;
@@ -1040,12 +1047,15 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto err;
ret = ring->dispatch_execbuffer(ring,
- exec_start, exec_len);
+ exec_start, exec_len,
+ flags);
if (ret)
goto err;
}
} else {
- ret = ring->dispatch_execbuffer(ring, exec_start, exec_len);
+ ret = ring->dispatch_execbuffer(ring,
+ exec_start, exec_len,
+ flags);
if (ret)
goto err;
}