[PATCH 1/7] drm/amdgpu/userq: add a helper to check which IPs are enabled

Alex Deucher alexander.deucher at amd.com
Wed Apr 16 22:20:40 UTC 2025


Add a helper to get a mask of IPs which support user queues.
Use this in the INFO IOCTL to get the IP mask to replace
the current code.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c       |  7 +------
 drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c | 13 +++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h |  2 ++
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 3d319687c1c9c..151366ecc0af6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -1009,12 +1009,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 			}
 		}
 
-		if (adev->userq_funcs[AMDGPU_HW_IP_GFX])
-			dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_GFX);
-		if (adev->userq_funcs[AMDGPU_HW_IP_COMPUTE])
-			dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_COMPUTE);
-		if (adev->userq_funcs[AMDGPU_HW_IP_DMA])
-			dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_DMA);
+		dev_info->userq_ip_mask = amdgpu_userqueue_get_supported_ip_mask(adev);
 
 		ret = copy_to_user(out, dev_info,
 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
index 249722dc40446..dbc1fcdc0f73b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
@@ -31,6 +31,19 @@
 #include "amdgpu_userqueue.h"
 #include "amdgpu_userq_fence.h"
 
+u32 amdgpu_userqueue_get_supported_ip_mask(struct amdgpu_device *adev)
+{
+	int i;
+	u32 userq_ip_mask = 0;
+
+	for (i = 0; i < AMDGPU_HW_IP_NUM; i++) {
+		if (adev->userq_funcs[i])
+			userq_ip_mask |= (1 << i);
+	}
+
+	return userq_ip_mask;
+}
+
 static void
 amdgpu_userqueue_cleanup(struct amdgpu_userq_mgr *uq_mgr,
 			 struct amdgpu_usermode_queue *queue,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
index b2da513b3d021..b49f147eb69cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
@@ -113,6 +113,8 @@ uint64_t amdgpu_userqueue_get_doorbell_index(struct amdgpu_userq_mgr *uq_mgr,
 					     struct amdgpu_db_info *db_info,
 					     struct drm_file *filp);
 
+u32 amdgpu_userqueue_get_supported_ip_mask(struct amdgpu_device *adev);
+
 int amdgpu_userq_suspend(struct amdgpu_device *adev);
 int amdgpu_userq_resume(struct amdgpu_device *adev);
 
-- 
2.49.0



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