On 04/18/2015 06:48 AM, Chris Wilson wrote:
On Fri, Apr 17, 2015 at 02:21:13PM -0700, yu.dai@xxxxxxxxx wrote:
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index de8c074..8f13e80 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -1993,7 +1993,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
> INIT_LIST_HEAD(&ring->request_list);
> INIT_LIST_HEAD(&ring->execlist_queue);
> i915_gem_batch_pool_init(dev, &ring->batch_pool);
> - ringbuf->size = 32 * PAGE_SIZE;
> + ringbuf->size = 4 * PAGE_SIZE;
> ringbuf->ring = ring;
> memset(ring->semaphore.sync_seqno, 0, sizeof(ring->semaphore.sync_seqno));
NAK.
First of all, GuC firmware reserves limited bits for ring buffer. 4
pages is max for now. Second, considering the ring buffer is per-context
now, there is no need to allocate 32 pages for it.
Thanks,
Alex
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
