[Mesa-dev] [PATCH] radv: do not emit VGT_FLUSH on GFX10

[Bas Nieuwenhuizen]

r-b

On Mon, Jul 8, 2019 at 1:45 PM Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
>
> We don't need it.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_device.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
> index 5a92e5276d9..09614067a4a 100644
> --- a/src/amd/vulkan/radv_device.c
> +++ b/src/amd/vulkan/radv_device.c
> @@ -2747,8 +2747,11 @@ radv_get_preamble_cs(struct radv_queue *queue,
>                 if (esgs_ring_bo || gsvs_ring_bo || tess_rings_bo)  {
>                         radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
>                         radeon_emit(cs, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH) | EVENT_INDEX(4));
> -                       radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> -                       radeon_emit(cs, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0));
> +
> +                       if (queue->device->physical_device->rad_info.chip_class < GFX10) {
> +                               radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
> +                               radeon_emit(cs, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0));
> +                       }
>                 }
>
>                 radv_emit_gs_ring_sizes(queue, cs, esgs_ring_bo, esgs_ring_size,
> --
> 2.22.0
>
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