diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 6a2f3e50c71..afbc9240a99 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -801,6 +801,7 @@ 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)) { @@ -812,6 +813,14 @@ 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: @@ -984,6 +993,13 @@ 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; @@ -1029,7 +1045,7 @@ 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; @@ -1041,12 +1057,15 @@ 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; } |