AMD-GFX Archive on lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v3] drm/amdgpu: do not use amdgpu_bo_gpu_offset_no_check individually
@ 2025-11-30  9:04 Saleemkhan Jamadar
  2025-12-04  9:20 ` Saleemkhan
  2025-12-11 10:40 ` Christian König
  0 siblings, 2 replies; 5+ messages in thread
From: Saleemkhan Jamadar @ 2025-11-30  9:04 UTC (permalink / raw)
  To: Christian.Koenig, alexander.deucher, amd-gfx, saleemkhan083
  Cc: Christian König

This should not be used indiviually, use amdgpu_bo_gpu_offset
with bo reserved.

v3 - unpin bo in queue destroy (Christian)
v2 - pin bo so that offset returned won't change after unlock (Christian)

Signed-off-by: Saleemkhan Jamadar <saleemkhan083@gmail.com>
Suggested-by: Christian König <christian.koenig@amd.com>
---
 .../gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c  |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c     |  8 +++++++
 drivers/gpu/drm/amd/amdgpu/mes_userqueue.c    | 21 ++++++++++++++++++-
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
index 3040437d99c2..bc7858567321 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
@@ -129,7 +129,7 @@ uint32_t amdgpu_doorbell_index_on_bar(struct amdgpu_device *adev,
 {
 	int db_bo_offset;
 
-	db_bo_offset = amdgpu_bo_gpu_offset_no_check(db_bo);
+	db_bo_offset = amdgpu_bo_gpu_offset(db_bo);
 
 	/* doorbell index is 32 bit but doorbell's size can be 32 bit
 	 * or 64 bit, so *db_size(in byte)/4 for alignment.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
index 2f97f35e0af5..98110f543307 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
@@ -586,6 +586,14 @@ amdgpu_userq_destroy(struct drm_file *filp, int queue_id)
 		amdgpu_bo_unreserve(queue->db_obj.obj);
 	}
 	amdgpu_bo_unref(&queue->db_obj.obj);
+
+	r = amdgpu_bo_reserve(queue->wptr_obj.obj, true);
+	if (!r) {
+		amdgpu_bo_unpin(queue->wptr_obj.obj);
+		amdgpu_bo_unreserve(queue->wptr_obj.obj);
+	}
+	amdgpu_bo_unref(&queue->wptr_obj.obj);
+
 	atomic_dec(&uq_mgr->userq_count[queue->queue_type]);
 #if defined(CONFIG_DEBUG_FS)
 	debugfs_remove_recursive(queue->debugfs_queue);
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
index 8b0aeb89025a..23cf517bec39 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
@@ -94,8 +94,27 @@ mes_userq_create_wptr_mapping(struct amdgpu_device *adev,
 		return ret;
 	}
 
-	queue->wptr_obj.gpu_addr = amdgpu_bo_gpu_offset_no_check(wptr_obj->obj);
+	ret = amdgpu_bo_reserve(wptr_obj->obj, true);
+	if (ret) {
+		DRM_ERROR("Failed to reserve wptr bo\n");
+		return ret;
+	}
+
+	ret = amdgpu_bo_pin(wptr_obj->obj, AMDGPU_GEM_DOMAIN_GTT);
+	if (ret) {
+		drm_file_err(uq_mgr->file, "[Usermode queues] Failed to pin wptr bo\n");
+		goto unresv_bo;
+	}
+
+	queue->wptr_obj.gpu_addr = amdgpu_bo_gpu_offset(wptr_obj->obj);
+	amdgpu_bo_unreserve(wptr_obj->obj);
+
 	return 0;
+
+unresv_bo:
+	amdgpu_bo_unreserve(wptr_obj->obj);
+	return ret;
+
 }
 
 static int convert_to_mes_priority(int priority)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread
* [PATCH v3] drm/amdgpu: do not use amdgpu_bo_gpu_offset_no_check individually
@ 2025-12-11 17:36 Saleemkhan Jamadar
  2025-12-11 18:22 ` Alex Deucher
  0 siblings, 1 reply; 5+ messages in thread
From: Saleemkhan Jamadar @ 2025-12-11 17:36 UTC (permalink / raw)
  To: Christian.Koenig, alexander.deucher, amd-gfx, saleemkhan083
  Cc: Christian König

This should not be used indiviually, use amdgpu_bo_gpu_offset
with bo reserved.

v3 - unpin bo in queue destroy (Christian)
v2 - pin bo so that offset returned won't change after unlock (Christian)

Signed-off-by: Saleemkhan Jamadar <saleemkhan083@gmail.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
 .../gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c  |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c     |  8 +++++++
 drivers/gpu/drm/amd/amdgpu/mes_userqueue.c    | 22 ++++++++++++++++++-
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
index 3040437d99c2..bc7858567321 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
@@ -129,7 +129,7 @@ uint32_t amdgpu_doorbell_index_on_bar(struct amdgpu_device *adev,
 {
 	int db_bo_offset;
 
-	db_bo_offset = amdgpu_bo_gpu_offset_no_check(db_bo);
+	db_bo_offset = amdgpu_bo_gpu_offset(db_bo);
 
 	/* doorbell index is 32 bit but doorbell's size can be 32 bit
 	 * or 64 bit, so *db_size(in byte)/4 for alignment.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
index bff39dcb4068..f8e66f6e8c09 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
@@ -586,6 +586,14 @@ amdgpu_userq_destroy(struct drm_file *filp, int queue_id)
 		amdgpu_bo_unreserve(queue->db_obj.obj);
 	}
 	amdgpu_bo_unref(&queue->db_obj.obj);
+
+	r = amdgpu_bo_reserve(queue->wptr_obj.obj, true);
+	if (!r) {
+		amdgpu_bo_unpin(queue->wptr_obj.obj);
+		amdgpu_bo_unreserve(queue->wptr_obj.obj);
+	}
+	amdgpu_bo_unref(&queue->wptr_obj.obj);
+
 	atomic_dec(&uq_mgr->userq_count[queue->queue_type]);
 #if defined(CONFIG_DEBUG_FS)
 	debugfs_remove_recursive(queue->debugfs_queue);
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
index 8b0aeb89025a..f2309d72bbe6 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
@@ -94,8 +94,28 @@ mes_userq_create_wptr_mapping(struct amdgpu_device *adev,
 		return ret;
 	}
 
-	queue->wptr_obj.gpu_addr = amdgpu_bo_gpu_offset_no_check(wptr_obj->obj);
+	ret = amdgpu_bo_reserve(wptr_obj->obj, true);
+	if (ret) {
+		DRM_ERROR("Failed to reserve wptr bo\n");
+		return ret;
+	}
+
+	/* TODO use eviction fence instead of pinning. */
+	ret = amdgpu_bo_pin(wptr_obj->obj, AMDGPU_GEM_DOMAIN_GTT);
+	if (ret) {
+		drm_file_err(uq_mgr->file, "[Usermode queues] Failed to pin wptr bo\n");
+		goto unresv_bo;
+	}
+
+	queue->wptr_obj.gpu_addr = amdgpu_bo_gpu_offset(wptr_obj->obj);
+	amdgpu_bo_unreserve(wptr_obj->obj);
+
 	return 0;
+
+unresv_bo:
+	amdgpu_bo_unreserve(wptr_obj->obj);
+	return ret;
+
 }
 
 static int convert_to_mes_priority(int priority)
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2025-12-11 18:22 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-11-30  9:04 [PATCH v3] drm/amdgpu: do not use amdgpu_bo_gpu_offset_no_check individually Saleemkhan Jamadar
2025-12-04  9:20 ` Saleemkhan
2025-12-11 10:40 ` Christian König
  -- strict thread matches above, loose matches on Subject: below --
2025-12-11 17:36 Saleemkhan Jamadar
2025-12-11 18:22 ` Alex Deucher

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox