Re: [Intel-gfx] [PATCH] drm/i915: SNB BLT workaround

2010-11-02 Thread Chris Wilson
On Tue, 2 Nov 2010 17:08:09 +0800, "Zou, Nanhai" wrote: > >>-Original Message- > >>From: Chris Wilson [mailto:ch...@chris-wilson.co.uk] > >>Sent: 2010年11月2日 17:05 > >>To: Zou, Nanhai; intel-gfx@lists.freedesktop.org > >>Cc: Zou, Nanhai > >>Subject: Re: [PATCH] drm/i915: SNB BLT worka

Re: [Intel-gfx] [PATCH] drm/i915: SNB BLT workaround

2010-11-02 Thread Zou, Nanhai
>>-Original Message- >>From: Chris Wilson [mailto:ch...@chris-wilson.co.uk] >>Sent: 2010年11月2日 17:05 >>To: Zou, Nanhai; intel-gfx@lists.freedesktop.org >>Cc: Zou, Nanhai >>Subject: Re: [PATCH] drm/i915: SNB BLT workaround >> >>On Tue, 2 Nov 2010 16:31:01 +0800, Zou Nan hai wrote: >>>

Re: [Intel-gfx] [PATCH] drm/i915: SNB BLT workaround

2010-11-02 Thread Chris Wilson
On Tue, 2 Nov 2010 16:31:01 +0800, Zou Nan hai wrote: > on some stepping of SNB cpu, the first command to be parsed in BLT > command streamer should be MI_BATCHBUFFER_START > otherwise the GPU may hang. Then just add the workaround to the init routine. -Chris -- Chris Wilson,

[Intel-gfx] [PATCH] drm/i915: SNB BLT workaround

2010-11-02 Thread Zou Nan hai
on some stepping of SNB cpu, the first command to be parsed in BLT command streamer should be MI_BATCHBUFFER_START otherwise the GPU may hang. Signed-off-by: Zou Nan hai --- drivers/gpu/drm/i915/intel_ringbuffer.c | 89 +- 1 files changed, 86