On Thu, Apr 17, 2014 at 10:37:34AM +0800, Zhao Yakui wrote: > This is the patch set that tries to add the support of dual BSD rings on BDW > GT3. Based on hardware spec, 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/middleware. In such case 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 the BSD video command > based on the drm fd. In such case the different BSD ring is used for video playing > back and encoding. > > V1->V2: Follow Daniel's comment to do the following update: > a. consider the stolen check for BDW in kernel/early-quirks.c in patch 01 > b. update the comment in Patch 04 > c. use the simple ping-pong mechanism to add the support of dual BSD rings. > The further optimization will be considered in another patch set. > > V2->V3: Follow Daniel's comment to use the struct_mutext instead of > atomic_t during determining which ring can be used to dispatch Video command. > > V3->V4: Follow Imre's comment to adjust the patch order and do some minor updates. > For example: add some comments to describe the semaphore in Patch 03 and update > the ring name for the second bsd ring. > > Zhao Yakui (6): > drm/i915: Split the BDW device definition to prepare for dual BSD > rings on BDW GT3 > drm/i915: Update the restrict check to filter out wrong Ring ID > passed by user-space > drm/i915:Initialize the second BSD ring on BDW GT3 machine > drm/i915:Handle the irq interrupt for the second BSD ring > drm/i915:Add the VCS2 switch in Intel_ring_setup_status_page for Gen7 > to remove the switch check warning > drm/i915: Use the coarse ping-pong mechanism based on drm fd to > dispatch the BSD command on BDW GT3 Entire series merged, thanks for patches&review. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
