[PATCH 1/3] drm/amdgpu: track whether a queue is a kernel queue in amdgpu_mqd_prop
Alex Deucher
alexander.deucher at amd.com
Wed Jul 16 22:01:13 UTC 2025
Used to to set the MQD appropriately for each queue type.
Kernel queues have have additional privileges.
Acked-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index a1737556a77eb..ef3af170dda4e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -883,6 +883,7 @@ struct amdgpu_mqd_prop {
uint64_t csa_addr;
uint64_t fence_address;
bool tmz_queue;
+ bool kernel_queue;
};
struct amdgpu_mqd {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index acac646a4e4e9..617dc009a2550 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -719,6 +719,8 @@ static void amdgpu_ring_to_mqd_prop(struct amdgpu_ring *ring,
prop->eop_gpu_addr = ring->eop_gpu_addr;
prop->use_doorbell = ring->use_doorbell;
prop->doorbell_index = ring->doorbell_index;
+ /* kernel queues are privileged */
+ prop->kernel_queue = true;
/* map_queues packet doesn't need activate the queue,
* so only kiq need set this field.
--
2.50.1
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