From 9d947127d384516c96a1f8ffa5e35b095468b38b Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Thu, 18 Mar 2021 11:05:17 +0200 Subject: [PATCH] anv: use the device size of CS prefetch to pad secondary buffer calls MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Lionel Landwerlin Reviewed-by: Marcin Ślusarz Part-of: --- src/intel/vulkan/anv_batch_chain.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/intel/vulkan/anv_batch_chain.c b/src/intel/vulkan/anv_batch_chain.c index 7977eb83615..7be15e1fca0 100644 --- a/src/intel/vulkan/anv_batch_chain.c +++ b/src/intel/vulkan/anv_batch_chain.c @@ -996,10 +996,13 @@ anv_cmd_buffer_end_batch_buffer(struct anv_cmd_buffer *cmd_buffer) * prefetch. */ if (cmd_buffer->batch_bos.next == cmd_buffer->batch_bos.prev) { + const struct gen_device_info *devinfo = &cmd_buffer->device->info; + /* Careful to have everything in signed integer. */ + int32_t prefetch_len = devinfo->cs_prefetch_size; int32_t batch_len = cmd_buffer->batch.next - cmd_buffer->batch.start; - for (int32_t i = 0; i < (512 - batch_len); i += 4) + for (int32_t i = 0; i < (prefetch_len - batch_len); i += 4) anv_batch_emit(&cmd_buffer->batch, GEN8_MI_NOOP, noop); }