Ported from RadeonSI, and -pro seems to enable it as well.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/amd/vulkan/radv_cmd_buffer.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index d9243beae5..c641534fc9 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -3198,7 +3198,16 @@ radv_emit_dispatch_packets(struct radv_cmd_buffer
*cmd_buffer,
}
} else {
unsigned blocks[3] = { info->blocks[0], info->blocks[1],
info->blocks[2] };
- unsigned dispatch_initiator = S_00B800_COMPUTE_SHADER_EN(1);
+ unsigned dispatch_initiator = S_00B800_COMPUTE_SHADER_EN(1) |
+ S_00B800_FORCE_START_AT_000(1);
+
+ if (cmd_buffer->device->physical_device->rad_info.chip_class >=
CIK) {
+ /* If the KMD allows it (there is a KMD hw register for
+ * it), allow launching waves out-of-order. (same as
+ * Vulkan)
+ */
+ dispatch_initiator |= S_00B800_ORDER_MODE(1);
+ }
if (info->unaligned) {
unsigned *cs_block_size =
compute_shader->info.cs.block_size;
--
2.14.2
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