On Wed, Jul 06, 2016 at 11:52:09AM +0100, Tvrtko Ursulin wrote:
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c
> b/drivers/gpu/drm/i915/intel_lrc.c
> index fcff30998227..5bebcb16e488 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -2115,6 +2115,7 @@ static const struct engine_info {
> u32 mmio_base;
> unsigned irq_shift;
> int (*init)(struct intel_engine_cs *engine);
> + int (*init_ringbuf)(struct intel_engine_cs *engine);
Blatant favouritisim!
The consensus (all of 2, perhas 3, people) name was to call them
intel_legacy_submission.c
intel_execlists_submission.c
intel_guc_submission.c
from that we would then have
int (*init_legacy_sumission)(struct intel_engine_cs *engine);
int (*init_execlists_sumission)(struct intel_engine_cs *engine);
init_ringbuf() means to me to initialise the ringbuffer structure
associated both with execlists and legacy.
What I tried a couple of years ago was doing all the immediate setup
inside intel_ringbuffer.c and then dispatching to intel_execlists.c for
it to override as needed.
> @@ -2201,10 +2203,15 @@ int intel_logical_rings_init(struct drm_device *dev)
> if (!HAS_ENGINE(dev_priv, i))
> continue;
>
> - if (!intel_engines[i].init)
> + if (i915.enable_execlists)
> + init = intel_engines[i].init;
> + else
> + init = intel_engines[i].init_ringbuf;
I think I prefer your patch, but I'd like to some all the common setup in
one place. intel_engine_cs.c ?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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