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Subject[PATCH 66/83] hsa/radeon: Fix number of pipes per ME
Date
From: Ben Goz <ben.goz@amd.com>

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
---
drivers/gpu/hsa/radeon/kfd_device_queue_manager.c | 2 +-
drivers/gpu/hsa/radeon/kfd_device_queue_manager.h | 2 +-
drivers/gpu/hsa/radeon/kfd_packet_manager.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c b/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c
index 3e1def1..5ec8da7 100644
--- a/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c
+++ b/drivers/gpu/hsa/radeon/kfd_device_queue_manager.c
@@ -55,7 +55,7 @@ static inline unsigned int get_first_pipe(struct device_queue_manager *dqm)

static inline unsigned int get_pipes_num_cpsch(void)
{
- return PIPE_PER_ME_CP_SCHEDULING - 1;
+ return PIPE_PER_ME_CP_SCHEDULING;
}

static unsigned int get_sh_mem_bases_nybble_64(struct kfd_process *process, struct kfd_dev *dev)
diff --git a/drivers/gpu/hsa/radeon/kfd_device_queue_manager.h b/drivers/gpu/hsa/radeon/kfd_device_queue_manager.h
index 57dc636..037eaf8 100644
--- a/drivers/gpu/hsa/radeon/kfd_device_queue_manager.h
+++ b/drivers/gpu/hsa/radeon/kfd_device_queue_manager.h
@@ -31,7 +31,7 @@

#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS (500)
#define QUEUES_PER_PIPE (8)
-#define PIPE_PER_ME_CP_SCHEDULING (4)
+#define PIPE_PER_ME_CP_SCHEDULING (3)
#define CIK_VMID_NUM (8)
#define KFD_VMID_START_OFFSET (8)
#define VMID_PER_DEVICE CIK_VMID_NUM
diff --git a/drivers/gpu/hsa/radeon/kfd_packet_manager.c b/drivers/gpu/hsa/radeon/kfd_packet_manager.c
index 3fc8c34..621a720 100644
--- a/drivers/gpu/hsa/radeon/kfd_packet_manager.c
+++ b/drivers/gpu/hsa/radeon/kfd_packet_manager.c
@@ -62,7 +62,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm, unsigned int *rlib_size
/* check if there is over subscription*/
*over_subscription = false;
if ((process_count >= VMID_PER_DEVICE) ||
- queue_count >= PIPE_PER_ME_CP_SCHEDULING * QUEUES_PER_PIPE) {
+ queue_count > PIPE_PER_ME_CP_SCHEDULING * QUEUES_PER_PIPE) {
*over_subscription = true;
pr_debug("kfd: over subscribed runlist\n");
}
--
1.9.1


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