Re: [Intel-gfx] [PATCH 3/4] drm/i915: peel dma-fence-chains wait fences

2020-04-12 Thread Venkata Sandeep Dhanalakota
On 20/04/11 11:50, Lionel Landwerlin wrote: > On 10/04/2020 19:51, Venkata Sandeep Dhanalakota wrote: > > From: Lionel Landwerlin > > > > To allow faster engine to engine synchronization, peel the layer of > > dma-fence-chain to expose potential i915 fences so that the > > i915-request code can

Re: [Intel-gfx] [PATCH 3/4] drm/i915: peel dma-fence-chains wait fences

2020-04-11 Thread Lionel Landwerlin
On 10/04/2020 19:51, Venkata Sandeep Dhanalakota wrote: From: Lionel Landwerlin To allow faster engine to engine synchronization, peel the layer of dma-fence-chain to expose potential i915 fences so that the i915-request code can emit HW semaphore wait/signal operations in the ring which is

Re: [Intel-gfx] [PATCH 3/4] drm/i915: peel dma-fence-chains wait fences

2020-04-10 Thread kbuild test robot
Hi Venkata, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next linus/master v5.6 next-20200410] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we

[Intel-gfx] [PATCH 3/4] drm/i915: peel dma-fence-chains wait fences

2020-04-10 Thread Venkata Sandeep Dhanalakota
From: Lionel Landwerlin To allow faster engine to engine synchronization, peel the layer of dma-fence-chain to expose potential i915 fences so that the i915-request code can emit HW semaphore wait/signal operations in the ring which is faster than waking up the host to submit unblocked workloads