drm/i915:Initialize the second BSD ring on BDW GT3 machine

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Based on the hardware spec, the BDW GT3 machine has two independent
BSD ring that can be used to dispatch the video commands.
So just initialize it.

V3->V4: Follow Imre's comment to do some minor updates. For example:
more comments are added to describe the semaphore between ring.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
[danvet: Fix up checkpatch error.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

...

This commit is contained in:

Zhao Yakui 2014-04-17 10:37:37 +08:00 • committed by Daniel Vetter

parent b1a93306ed

commit 845f74a701

7 changed files with 95 additions and 4 deletions

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4

drivers/gpu/drm/i915/i915_drv.c

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2

drivers/gpu/drm/i915/i915_drv.h

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9

drivers/gpu/drm/i915/i915_gem.c

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1

drivers/gpu/drm/i915/i915_gpu_error.c

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1

drivers/gpu/drm/i915/i915_reg.h

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78

drivers/gpu/drm/i915/intel_ringbuffer.c

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4

drivers/gpu/drm/i915/intel_ringbuffer.h

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