[PATCH 04/24] drm/amdkfd: Fix allocated_queues bitmap initialization

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Use shared_resources.queue_bitmap to determine the queues available
for KFD in each pipe.

Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay at gmail.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 42de22b..9d2796b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -513,7 +513,7 @@ static int init_scheduler(struct device_queue_manager *dqm)
 
 static int initialize_nocpsch(struct device_queue_manager *dqm)
 {
-	int i;
+	int pipe, queue;
 
 	BUG_ON(!dqm);
 
@@ -531,8 +531,14 @@ static int initialize_nocpsch(struct device_queue_manager *dqm)
 		return -ENOMEM;
 	}
 
-	for (i = 0; i < get_pipes_per_mec(dqm); i++)
-		dqm->allocated_queues[i] = (1 << get_queues_per_pipe(dqm)) - 1;
+	for (pipe = 0; pipe < get_pipes_per_mec(dqm); pipe++) {
+		int pipe_offset = pipe * get_queues_per_pipe(dqm);
+
+		for (queue = 0; queue < get_queues_per_pipe(dqm); queue++)
+			if (test_bit(pipe_offset + queue,
+				     dqm->dev->shared_resources.queue_bitmap))
+				dqm->allocated_queues[pipe] |= 1 << queue;
+	}
 
 	dqm->vmid_bitmap = (1 << VMID_PER_DEVICE) - 1;
 	dqm->sdma_bitmap = (1 << CIK_SDMA_QUEUES) - 1;
-- 
2.7.4



[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux