>>-----Original Message----- >>From: Chris Wilson [mailto:[email protected]] >>Sent: 2010年11月2日 17:05 >>To: Zou, Nanhai; [email protected] >>Cc: Zou, Nanhai >>Subject: Re: [PATCH] drm/i915: SNB BLT workaround >> >>On Tue, 2 Nov 2010 16:31:01 +0800, Zou Nan hai <[email protected]> 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 >>
The first command here means each BLT command streamer begin the parse action, when the ring tail is moving ahead. Thanks Zou Nan hai >>-- >>Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
