Re: [PATCH 3/3] drm/amdkfd: Consolidate MQD manager functions

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Am 2022-02-04 um 18:45 schrieb Mukul Joshi:
A few MQD manager functions are duplicated for all versions of
MQD manager. Remove this duplication by moving the common
functions into kfd_mqd_manager.c file.

Signed-off-by: Mukul Joshi <mukul.joshi@xxxxxxx>
---
  drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c  | 63 +++++++++++++++++
  drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h  | 27 ++++++++
  .../gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c  | 54 ---------------
  .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c  | 61 -----------------
  .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c   | 68 -------------------
  .../gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c   | 53 ---------------
  6 files changed, 90 insertions(+), 236 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
index e2825ad4d699..f4a6af98db2d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
@@ -173,3 +173,66 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
  		}
  	}
  }
+
+int hiq_load_mqd_kiq(struct mqd_manager *mm, void *mqd,
+		     uint32_t pipe_id, uint32_t queue_id,
+		     struct queue_properties *p, struct mm_struct *mms)

Since these functions are no longer static, they should get an appropriate name prefix to avoid future namespace collisions. Just a kfd_ prefix will do.

I think there are existing functions in this file that could use the same treatment (in a separate patch).


+{
+	return mm->dev->kfd2kgd->hiq_mqd_load(mm->dev->adev, mqd, pipe_id,
+					      queue_id, p->doorbell_off);
+}
+
+int destroy_mqd(struct mqd_manager *mm, void *mqd,
+		enum kfd_preempt_type type, unsigned int timeout,
+		uint32_t pipe_id,uint32_t queue_id)

This function is only applicable to CP queues. Therefore I'd give it a more specific name, e.g. kfd_destroy_cp_mqd. Similar for the other non-SDMA functions below.

Regards,
  Felix


+{
+	return mm->dev->kfd2kgd->hqd_destroy(mm->dev->adev, mqd, type, timeout,
+						pipe_id, queue_id);
+}
+
+void free_mqd(struct mqd_manager *mm, void *mqd,
+	      struct kfd_mem_obj *mqd_mem_obj)
+{
+	if (mqd_mem_obj->gtt_mem) {
+		amdgpu_amdkfd_free_gtt_mem(mm->dev->adev, mqd_mem_obj->gtt_mem);
+		kfree(mqd_mem_obj);
+	} else {
+		kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+	}
+}
+
+bool is_occupied(struct mqd_manager *mm, void *mqd,
+		 uint64_t queue_address, uint32_t pipe_id,
+		 uint32_t queue_id)
+{
+	return mm->dev->kfd2kgd->hqd_is_occupied(mm->dev->adev, queue_address,
+						pipe_id, queue_id);
+}
+
+int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
+		  uint32_t pipe_id, uint32_t queue_id,
+		  struct queue_properties *p, struct mm_struct *mms)
+{
+	return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->adev, mqd,
+						(uint32_t __user *)p->write_ptr,
+						mms);
+}
+
+/*
+ * preempt type here is ignored because there is only one way
+ * to preempt sdma queue
+ */
+int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
+		     enum kfd_preempt_type type,
+		     unsigned int timeout, uint32_t pipe_id,
+		     uint32_t queue_id)
+{
+	return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->adev, mqd, timeout);
+}
+
+bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
+		      uint64_t queue_address, uint32_t pipe_id,
+		      uint32_t queue_id)
+{
+	return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd);
+}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
index 23486a23df84..76f20637b938 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
@@ -136,4 +136,31 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
  		const uint32_t *cu_mask, uint32_t cu_mask_count,
  		uint32_t *se_mask);
+int hiq_load_mqd_kiq(struct mqd_manager *mm, void *mqd,
+		uint32_t pipe_id, uint32_t queue_id,
+		struct queue_properties *p, struct mm_struct *mms);
+
+int destroy_mqd(struct mqd_manager *mm, void *mqd,
+		enum kfd_preempt_type type, unsigned int timeout,
+		uint32_t pipe_id,uint32_t queue_id);
+
+void free_mqd(struct mqd_manager *mm, void *mqd,
+		struct kfd_mem_obj *mqd_mem_obj);
+
+bool is_occupied(struct mqd_manager *mm, void *mqd,
+		 uint64_t queue_address, uint32_t pipe_id,
+		 uint32_t queue_id);
+
+int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
+		uint32_t pipe_id, uint32_t queue_id,
+		struct queue_properties *p, struct mm_struct *mms);
+
+int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
+		enum kfd_preempt_type type,unsigned int timeout,
+		uint32_t pipe_id, uint32_t queue_id);
+
+bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
+		uint64_t queue_address, uint32_t pipe_id,
+		uint32_t queue_id);
+
  #endif /* KFD_MQD_MANAGER_H_ */
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
index 96e3303fa27c..81b6b3d5f2e7 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
@@ -156,13 +156,6 @@ static void init_mqd_sdma(struct mqd_manager *mm, void **mqd,
  	mm->update_mqd(mm, m, q, NULL);
  }
-static void free_mqd(struct mqd_manager *mm, void *mqd,
-			struct kfd_mem_obj *mqd_mem_obj)
-{
-	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
-}
-
-
  static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id,
  		    uint32_t queue_id, struct queue_properties *p,
  		    struct mm_struct *mms)
@@ -176,15 +169,6 @@ static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id,
  					  wptr_shift, wptr_mask, mms);
  }
-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
-			 uint32_t pipe_id, uint32_t queue_id,
-			 struct queue_properties *p, struct mm_struct *mms)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->adev, mqd,
-					       (uint32_t __user *)p->write_ptr,
-					       mms);
-}
-
  static void __update_mqd(struct mqd_manager *mm, void *mqd,
  			struct queue_properties *q, struct mqd_update_info *minfo,
  			unsigned int atc_bit)
@@ -271,15 +255,6 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
  	q->is_active = QUEUE_IS_ACTIVE(*q);
  }
-static int destroy_mqd(struct mqd_manager *mm, void *mqd,
-			enum kfd_preempt_type type,
-			unsigned int timeout, uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_destroy(mm->dev->adev, mqd, type, timeout,
-					pipe_id, queue_id);
-}
-
  static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst)
  {
  	struct cik_mqd *m;
@@ -351,35 +326,6 @@ static void restore_mqd_sdma(struct mqd_manager *mm, void **mqd,
  	qp->is_active = 0;
  }
-/*
- * preempt type here is ignored because there is only one way
- * to preempt sdma queue
- */
-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
-				enum kfd_preempt_type type,
-				unsigned int timeout, uint32_t pipe_id,
-				uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->adev, mqd, timeout);
-}
-
-static bool is_occupied(struct mqd_manager *mm, void *mqd,
-			uint64_t queue_address,	uint32_t pipe_id,
-			uint32_t queue_id)
-{
-
-	return mm->dev->kfd2kgd->hqd_is_occupied(mm->dev->adev, queue_address,
-					pipe_id, queue_id);
-
-}
-
-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
-			uint64_t queue_address,	uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd);
-}
-
  /*
   * HIQ MQD Implementation, concrete implementation for HIQ MQD implementation.
   * The HIQ queue in Kaveri is using the same MQD structure as all the user mode
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c
index 0cc8679c24fa..8324757a1cf5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c
@@ -154,14 +154,6 @@ static int load_mqd(struct mqd_manager *mm, void *mqd,
  	return r;
  }
-static int hiq_load_mqd_kiq(struct mqd_manager *mm, void *mqd,
-			    uint32_t pipe_id, uint32_t queue_id,
-			    struct queue_properties *p, struct mm_struct *mms)
-{
-	return mm->dev->kfd2kgd->hiq_mqd_load(mm->dev->adev, mqd, pipe_id,
-					      queue_id, p->doorbell_off);
-}
-
  static void update_mqd(struct mqd_manager *mm, void *mqd,
  			struct queue_properties *q,
  			struct mqd_update_info *minfo)
@@ -233,31 +225,6 @@ static uint32_t read_doorbell_id(void *mqd)
  	return m->queue_doorbell_id0;
  }
-static int destroy_mqd(struct mqd_manager *mm, void *mqd,
-		       enum kfd_preempt_type type,
-		       unsigned int timeout, uint32_t pipe_id,
-		       uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_destroy
-		(mm->dev->adev, mqd, type, timeout,
-		 pipe_id, queue_id);
-}
-
-static void free_mqd(struct mqd_manager *mm, void *mqd,
-			struct kfd_mem_obj *mqd_mem_obj)
-{
-	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
-}
-
-static bool is_occupied(struct mqd_manager *mm, void *mqd,
-			uint64_t queue_address,	uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_is_occupied(
-		mm->dev->adev, queue_address,
-		pipe_id, queue_id);
-}
-
  static int get_wave_state(struct mqd_manager *mm, void *mqd,
  			  void __user *ctl_stack,
  			  u32 *ctl_stack_used_size,
@@ -352,15 +319,6 @@ static void init_mqd_sdma(struct mqd_manager *mm, void **mqd,
  	mm->update_mqd(mm, m, q, NULL);
  }
-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		uint32_t pipe_id, uint32_t queue_id,
-		struct queue_properties *p, struct mm_struct *mms)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->adev, mqd,
-					       (uint32_t __user *)p->write_ptr,
-					       mms);
-}
-
  #define SDMA_RLC_DUMMY_DEFAULT 0xf
static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
@@ -390,25 +348,6 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
  	q->is_active = QUEUE_IS_ACTIVE(*q);
  }
-/*
- *  * preempt type here is ignored because there is only one way
- *  * to preempt sdma queue
- */
-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		enum kfd_preempt_type type,
-		unsigned int timeout, uint32_t pipe_id,
-		uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->adev, mqd, timeout);
-}
-
-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
-		uint64_t queue_address, uint32_t pipe_id,
-		uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd);
-}
-
  static void checkpoint_mqd_sdma(struct mqd_manager *mm,
  				void *mqd,
  				void *mqd_dst,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index 87da4329dbf2..007886b2961e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -204,14 +204,6 @@ static int load_mqd(struct mqd_manager *mm, void *mqd,
  					  wptr_shift, 0, mms);
  }
-static int hiq_load_mqd_kiq(struct mqd_manager *mm, void *mqd,
-			    uint32_t pipe_id, uint32_t queue_id,
-			    struct queue_properties *p, struct mm_struct *mms)
-{
-	return mm->dev->kfd2kgd->hiq_mqd_load(mm->dev->adev, mqd, pipe_id,
-					      queue_id, p->doorbell_off);
-}
-
  static void update_mqd(struct mqd_manager *mm, void *mqd,
  			struct queue_properties *q,
  			struct mqd_update_info *minfo)
@@ -285,38 +277,6 @@ static uint32_t read_doorbell_id(void *mqd)
  	return m->queue_doorbell_id0;
  }
-static int destroy_mqd(struct mqd_manager *mm, void *mqd,
-			enum kfd_preempt_type type,
-			unsigned int timeout, uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_destroy
-		(mm->dev->adev, mqd, type, timeout,
-		pipe_id, queue_id);
-}
-
-static void free_mqd(struct mqd_manager *mm, void *mqd,
-			struct kfd_mem_obj *mqd_mem_obj)
-{
-	struct kfd_dev *kfd = mm->dev;
-
-	if (mqd_mem_obj->gtt_mem) {
-		amdgpu_amdkfd_free_gtt_mem(kfd->adev, mqd_mem_obj->gtt_mem);
-		kfree(mqd_mem_obj);
-	} else {
-		kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
-	}
-}
-
-static bool is_occupied(struct mqd_manager *mm, void *mqd,
-			uint64_t queue_address,	uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_is_occupied(
-		mm->dev->adev, queue_address,
-		pipe_id, queue_id);
-}
-
  static int get_wave_state(struct mqd_manager *mm, void *mqd,
  			  void __user *ctl_stack,
  			  u32 *ctl_stack_used_size,
@@ -422,15 +382,6 @@ static void init_mqd_sdma(struct mqd_manager *mm, void **mqd,
  	mm->update_mqd(mm, m, q, NULL);
  }
-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		uint32_t pipe_id, uint32_t queue_id,
-		struct queue_properties *p, struct mm_struct *mms)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->adev, mqd,
-					       (uint32_t __user *)p->write_ptr,
-					       mms);
-}
-
  #define SDMA_RLC_DUMMY_DEFAULT 0xf
static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
@@ -460,25 +411,6 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
  	q->is_active = QUEUE_IS_ACTIVE(*q);
  }
-/*
- *  * preempt type here is ignored because there is only one way
- *  * to preempt sdma queue
- */
-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		enum kfd_preempt_type type,
-		unsigned int timeout, uint32_t pipe_id,
-		uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->adev, mqd, timeout);
-}
-
-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
-		uint64_t queue_address, uint32_t pipe_id,
-		uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd);
-}
-
  static void checkpoint_mqd_sdma(struct mqd_manager *mm,
  				void *mqd,
  				void *mqd_dst,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
index 137b208135a0..c0405bbe8e36 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
@@ -259,31 +259,6 @@ static void update_mqd_tonga(struct mqd_manager *mm, void *mqd,
  	__update_mqd(mm, mqd, q, minfo, MTYPE_UC, 0);
  }
-static int destroy_mqd(struct mqd_manager *mm, void *mqd,
-			enum kfd_preempt_type type,
-			unsigned int timeout, uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_destroy
-		(mm->dev->adev, mqd, type, timeout,
-		pipe_id, queue_id);
-}
-
-static void free_mqd(struct mqd_manager *mm, void *mqd,
-			struct kfd_mem_obj *mqd_mem_obj)
-{
-	kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
-}
-
-static bool is_occupied(struct mqd_manager *mm, void *mqd,
-			uint64_t queue_address,	uint32_t pipe_id,
-			uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_is_occupied(
-		mm->dev->adev, queue_address,
-		pipe_id, queue_id);
-}
-
  static int get_wave_state(struct mqd_manager *mm, void *mqd,
  			  void __user *ctl_stack,
  			  u32 *ctl_stack_used_size,
@@ -385,15 +360,6 @@ static void init_mqd_sdma(struct mqd_manager *mm, void **mqd,
  	mm->update_mqd(mm, m, q, NULL);
  }
-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		uint32_t pipe_id, uint32_t queue_id,
-		struct queue_properties *p, struct mm_struct *mms)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->adev, mqd,
-					       (uint32_t __user *)p->write_ptr,
-					       mms);
-}
-
  static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
  			struct queue_properties *q,
  			struct mqd_update_info *minfo)
@@ -422,25 +388,6 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
  	q->is_active = QUEUE_IS_ACTIVE(*q);
  }
-/*
- *  * preempt type here is ignored because there is only one way
- *  * to preempt sdma queue
- */
-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
-		enum kfd_preempt_type type,
-		unsigned int timeout, uint32_t pipe_id,
-		uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->adev, mqd, timeout);
-}
-
-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
-		uint64_t queue_address, uint32_t pipe_id,
-		uint32_t queue_id)
-{
-	return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd);
-}
-
  static void checkpoint_mqd_sdma(struct mqd_manager *mm,
  				void *mqd,
  				void *mqd_dst,



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