diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index c2a699230809..b5e79ac29ebc 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2339,8 +2339,22 @@ int intel_engine_idle(struct intel_engine_cs *engine) int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request) { + int ret; + + /* Flush enough space to reduce the likelihood of waiting after + * we start building the request - in which case we will just + * have to repeat work. + */ + request->reserved_space += MIN_SPACE_FOR_ADD_REQUEST; + request->ringbuf = request->engine->buffer; - return intel_ring_begin(request, 0); + + ret = intel_ring_begin(request, 0); + if (ret) + return ret; + + request->reserved_space -= MIN_SPACE_FOR_ADD_REQUEST; + return 0; } static int wait_for_space(struct drm_i915_gem_request *req, int bytes) |