diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b57ce033e42a..27fa2a1b26a5 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3356,9 +3356,24 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, * use this buffer rather sooner than later, so issuing the required * flush earlier is beneficial. */ - if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) + if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) { i915_gem_flush_ring(dev, obj->ring, 0, obj->base.write_domain); + } else if (obj->ring->outstanding_lazy_request == + obj->last_rendering_seqno) { + struct drm_i915_gem_request *request; + + /* This ring is not being cleared by active usage, + * so emit a request to do so. + */ + request = kzalloc(sizeof(*request), GFP_KERNEL); + if (request) + ret = i915_add_request(dev, + NULL, request, + obj->ring); + else + ret = -ENOMEM; + } /* Update the active list for the hardware's current position. * Otherwise this only updates on a delayed timer or when irqs |
