Re: [Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter.

2014-07-01 Thread Vivi, Rodrigo
To: Vivi, Rodrigo Cc: intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter. On Mon, 2014-06-30 at 10:51 -0600, Rodrigo Vivi wrote: On Broadwell GT3 we have 2 Video Command Streamers (VCS), but userspace has no control when using VCS1

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter.

2014-07-01 Thread Xiang, Haihao
. -Original Message- From: Zhao, Yakui Sent: Monday, June 30, 2014 6:37 PM To: Vivi, Rodrigo Cc: intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter. On Mon, 2014-06-30 at 10:51 -0600, Rodrigo Vivi wrote

[Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter.

2014-06-30 Thread Rodrigo Vivi
On Broadwell GT3 we have 2 Video Command Streamers (VCS), but userspace has no control when using VCS1 or VCS2. So we cannot test, validate or debug specific changes or workaround that might affect only one or another ring. So this patch introduces a mechanism to avoid the ping-pong selection and

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter.

2014-06-30 Thread Xiang, Haihao
On Mon, 2014-06-30 at 09:51 -0700, Rodrigo Vivi wrote: On Broadwell GT3 we have 2 Video Command Streamers (VCS), but userspace has no control when using VCS1 or VCS2. So we cannot test, validate or debug specific changes or workaround that might affect only one or another ring. So this patch

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Introduce dual_bsd_ring parameter.

2014-06-30 Thread Zhao, Yakui
On Mon, 2014-06-30 at 10:51 -0600, Rodrigo Vivi wrote: On Broadwell GT3 we have 2 Video Command Streamers (VCS), but userspace has no control when using VCS1 or VCS2. So we cannot test, validate or debug specific changes or workaround that might affect only one or another ring. So this patch