Re: [PATCH 08/89] drm/i915/skl: Use gen8_ring_dispatch_execbuffer() on GEN9

Thomas Wood
2014-09-16T14:53:33Z

On 4 September 2014 12:26, Damien Lespiau <damien.lespiau@intel.com> wrote:
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>

While discussing this with Damien, he mentioned that legacy ring
buffer submission is not supported on gen 9 and perhaps
dispatch_execbuffer should be set to null instead.

> ---
> drivers/gpu/drm/i915/intel_ringbuffer.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index f8aadc3..7b3d0ca 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -2361,7 +2361,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
>
> if (IS_HASWELL(dev))
> ring->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
> - else if (IS_GEN8(dev))
> + else if (INTEL_INFO(dev)->gen >= 8)
> ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
> else if (INTEL_INFO(dev)->gen >= 6)
> ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
> --
> 1.8.3.1
>
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