If the user floods the GPU with so many requests that the engine stalls waiting for free space, don't automatically promote the GPU to maximum frequencies. If the GPU really is saturated with work, it will migrate to high clocks by itself, otherwise it is merely a user flooding us with busy-work. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_ringbuffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 542cf585121c..4ab6d2365e30 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2299,7 +2299,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) if (WARN_ON(&target->ring_link == &ring->request_list)) return -ENOSPC; - ret = __i915_wait_request(target, true, NULL, NULL); + ret = __i915_wait_request(target, true, NULL, NO_WAITBOOST); if (ret) return ret; -- 2.8.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
