Re: [PATCH v3 01/12] fpga: dfl: fme: support 512bit data width PR

2019-08-14 Thread Wu Hao
On Wed, Aug 14, 2019 at 11:34:15AM -0500, Scott Wood wrote: > On Wed, 2019-07-24 at 22:22 +0800, Wu Hao wrote: > > On Wed, Jul 24, 2019 at 11:35:32AM +0200, Greg KH wrote: > > > On Tue, Jul 23, 2019 at 12:51:24PM +0800, Wu Hao wrote: > > > > > > > > @@ -67,8 +69,43 @@ > > > > #define PR_WAIT_TIM

Re: [PATCH v3 01/12] fpga: dfl: fme: support 512bit data width PR

2019-08-14 Thread Scott Wood
On Wed, 2019-07-24 at 22:22 +0800, Wu Hao wrote: > On Wed, Jul 24, 2019 at 11:35:32AM +0200, Greg KH wrote: > > On Tue, Jul 23, 2019 at 12:51:24PM +0800, Wu Hao wrote: > > > > > > @@ -67,8 +69,43 @@ > > > #define PR_WAIT_TIMEOUT 800 > > > #define PR_HOST_STATUS_IDLE 0 > > > > > > +

Re: [PATCH v3 01/12] fpga: dfl: fme: support 512bit data width PR

2019-07-24 Thread Wu Hao
On Wed, Jul 24, 2019 at 11:35:32AM +0200, Greg KH wrote: > On Tue, Jul 23, 2019 at 12:51:24PM +0800, Wu Hao wrote: > > In early partial reconfiguration private feature, it only > > supports 32bit data width when writing data to hardware for > > PR. 512bit data width PR support is an important optim

Re: [PATCH v3 01/12] fpga: dfl: fme: support 512bit data width PR

2019-07-24 Thread Greg KH
On Tue, Jul 23, 2019 at 12:51:24PM +0800, Wu Hao wrote: > In early partial reconfiguration private feature, it only > supports 32bit data width when writing data to hardware for > PR. 512bit data width PR support is an important optimization > for some specific solutions (e.g. XEON with FPGA integr

[PATCH v3 01/12] fpga: dfl: fme: support 512bit data width PR

2019-07-22 Thread Wu Hao
In early partial reconfiguration private feature, it only supports 32bit data width when writing data to hardware for PR. 512bit data width PR support is an important optimization for some specific solutions (e.g. XEON with FPGA integrated), it allows driver to use AVX512 instruction to improve the