Re: [Intel-gfx] [PATCH V3 6/6] drm/i915: Use the coarse ping-pong mechanism based on drm fd to dispatch the BSD command on BDW GT3

2014-04-16 Thread Imre Deak
On Wed, 2014-04-16 at 10:41 +0800, Zhao Yakui wrote: > The BDW GT3 has two independent BSD rings, which can be used to process the > video commands. To be simpler, it is transparent to user-space driver/middle. > Instead the kernel driver will decide which ring is to dispatch the BSD video > comman

[Intel-gfx] [PATCH V3 6/6] drm/i915: Use the coarse ping-pong mechanism based on drm fd to dispatch the BSD command on BDW GT3

2014-04-15 Thread Zhao Yakui
The BDW GT3 has two independent BSD rings, which can be used to process the video commands. To be simpler, it is transparent to user-space driver/middle. Instead the kernel driver will decide which ring is to dispatch the BSD video command. As every BSD ring is powerful, it is enough to dispatch t

[Intel-gfx] [PATCH V3 6/6] drm/i915: Use the coarse ping-pong mechanism based on drm fd to dispatch the BSD command on BDW GT3

2014-04-15 Thread Zhao Yakui
The BDW GT3 has two independent BSD rings, which can be used to process the video commands. To be simpler, it is transparent to user-space driver/middle. Instead the kernel driver will decide which ring is to dispatch the BSD video command. As every BSD ring is powerful, it is enough to dispatch t