From 3697b9bd7c69910cb6543d8441211ecfb2f013ca Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Wed, 15 Mar 2023 14:04:33 -0400 Subject: [PATCH] drm/amdkfd: Increase queue number per process to 255 on GFX9.4.3 Increase the maximum number of queues that can be created per process to 255 on GFX 9.4.3. There is no HWS limitation restricting the number queues that can be created. Signed-off-by: Mukul Joshi Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index a3c23d07c7df5..b100933340d27 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -242,6 +242,13 @@ int pqm_create_queue(struct process_queue_manager *pqm, enum kfd_queue_type type = properties->type; unsigned int max_queues = 127; /* HWS limit */ + /* + * On GFX 9.4.3, increase the number of queues that + * can be created to 255. No HWS limit on GFX 9.4.3. + */ + if (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3)) + max_queues = 255; + q = NULL; kq = NULL; -- 2.30.2