diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b5e79ac29ebc..c7637ceec1f4 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -34,6 +34,11 @@ #include "i915_trace.h" #include "intel_drv.h" +/* Rough estimate of the typical request size, performing a flush, + * set-context and then emitting the batch. + */ +#define LEGACY_REQUEST_SIZE 200 + int __intel_ring_space(int head, int tail, int size) { int space = head - tail; @@ -2345,7 +2350,7 @@ int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request) * we start building the request - in which case we will just * have to repeat work. */ - request->reserved_space += MIN_SPACE_FOR_ADD_REQUEST; + request->reserved_space += LEGACY_REQUEST_SIZE; request->ringbuf = request->engine->buffer; @@ -2353,7 +2358,7 @@ int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request) if (ret) return ret; - request->reserved_space -= MIN_SPACE_FOR_ADD_REQUEST; + request->reserved_space -= LEGACY_REQUEST_SIZE; return 0; } |