From bbf135db3d9faeb3dbf0f7986e5ab7def02e22e6 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Mon, 9 Oct 2023 16:38:42 +0200 Subject: [PATCH] radv: allocate only 1 GDS OA counter for gfx10 NGG streamout It works with just one counter. This mitigates https://gitlab.freedesktop.org/drm/amd/-/issues/2902 quite a lot when you run dEQP-VK.transform_feedback.* in parallel on more than 16 threads with RDNA3. For example, on my GPU the kernel reports 16 GDS OA counters which means that if you run VKCTS with 16 threads (ie. 16 Vulkan devices are created) it's fine. Otherwise, the kernel might report ENOMEM. Signed-off-by: Samuel Pitoiset Part-of: --- src/amd/vulkan/radv_queue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/amd/vulkan/radv_queue.c b/src/amd/vulkan/radv_queue.c index d93fdaf8920..816a96cc30f 100644 --- a/src/amd/vulkan/radv_queue.c +++ b/src/amd/vulkan/radv_queue.c @@ -953,7 +953,7 @@ radv_update_preamble_cs(struct radv_queue_state *queue, struct radv_device *devi if (!queue->ring_info.gds_oa && needs->gds_oa) { assert(device->physical_device->rad_info.gfx_level >= GFX10); - result = ws->buffer_create(ws, 4, 1, RADEON_DOMAIN_OA, ring_bo_flags, RADV_BO_PRIORITY_SCRATCH, 0, &gds_oa_bo); + result = ws->buffer_create(ws, 1, 1, RADEON_DOMAIN_OA, ring_bo_flags, RADV_BO_PRIORITY_SCRATCH, 0, &gds_oa_bo); if (result != VK_SUCCESS) goto fail;