[PATCH] drm/amdkfd: Return proper error code for gws alloc API

[Zeng, Oak]

Change-Id: Iaa81c6aa5f97e888291771e1aa70b02fccdcb9e0
Signed-off-by: Oak Zeng <Oak.Zeng at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c       | 2 +-
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c               | 2 +-
 drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 87177ed..e304271 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2124,7 +2124,7 @@ int amdgpu_amdkfd_add_gws_to_process(void *info, void *gws, struct kgd_mem **mem
 
 	*mem = kzalloc(sizeof(struct kgd_mem), GFP_KERNEL);
 	if (!*mem)
-		return -EINVAL;
+		return -ENOMEM;
 
 	mutex_init(&(*mem)->lock);
 	(*mem)->bo = amdgpu_bo_ref(gws_bo);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index aab2aa6..491f0dd 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1576,7 +1576,7 @@ static int kfd_ioctl_alloc_queue_gws(struct file *filep,
 
 	if (!hws_gws_support ||
 		dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS)
-		return -EINVAL;
+		return -ENODEV;
 
 	dev = kfd_device_by_id(args->gpu_id);
 	if (!dev) {
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 c2c570e..da09586 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -103,7 +103,7 @@ int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid,
 
 	/* Only allow one queue per process can have GWS assigned */
 	if (gws && pdd->qpd.num_gws)
-		return -EINVAL;
+		return -EBUSY;
 
 	if (!gws && pdd->qpd.num_gws == 0)
 		return -EINVAL;
-- 
2.7.4