diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 10 |
2 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 6504689467b1..1c3834fc5608 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -634,7 +634,7 @@ static int logical_ring_wait_request(struct intel_ringbuffer *ringbuf, { struct intel_engine_cs *ring = ringbuf->ring; struct drm_i915_gem_request *request; - int ret; + int ret, new_space; if (intel_ring_space(ringbuf) >= bytes) return 0; @@ -650,10 +650,10 @@ static int logical_ring_wait_request(struct intel_ringbuffer *ringbuf, continue; /* Would completion of this request free enough space? */ - if (__intel_ring_space(request->tail, ringbuf->tail, - ringbuf->size) >= bytes) { + new_space = __intel_ring_space(request->postfix, ringbuf->tail, + ringbuf->size); + if (new_space >= bytes) break; - } } if (&request->list == &ring->request_list) @@ -665,6 +665,8 @@ static int logical_ring_wait_request(struct intel_ringbuffer *ringbuf, i915_gem_retire_requests_ring(ring); + WARN_ON(intel_ring_space(ringbuf) < new_space); + return intel_ring_space(ringbuf) >= bytes ? 0 : -ENOSPC; } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 99fb2f06710a..a26bdf89e270 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2059,16 +2059,16 @@ static int intel_ring_wait_request(struct intel_engine_cs *ring, int n) { struct intel_ringbuffer *ringbuf = ring->buffer; struct drm_i915_gem_request *request; - int ret; + int ret, new_space; if (intel_ring_space(ringbuf) >= n) return 0; list_for_each_entry(request, &ring->request_list, list) { - if (__intel_ring_space(request->postfix, ringbuf->tail, - ringbuf->size) >= n) { + new_space = __intel_ring_space(request->postfix, ringbuf->tail, + ringbuf->size); + if (new_space >= n) break; - } } if (&request->list == &ring->request_list) @@ -2080,6 +2080,8 @@ static int intel_ring_wait_request(struct intel_engine_cs *ring, int n) i915_gem_retire_requests_ring(ring); + WARN_ON(intel_ring_space(ringbuf) < new_space); + return 0; } |