drm/amdgpu: move fence and ring defines into amdgpu_ring.h

Only cleanup, no intended functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -54,6 +54,7 @@
 #include "amdgpu_ttm.h"
 #include "amdgpu_gds.h"
 #include "amdgpu_sync.h"
+#include "amdgpu_ring.h"
 #include "amd_powerplay.h"
 #include "amdgpu_acp.h"
 
@@ -109,12 +110,6 @@ extern int amdgpu_vram_page_split;
 #define AMDGPUFB_CONN_LIMIT			4
 #define AMDGPU_BIOS_NUM_SCRATCH			8
 
-/* max number of rings */
-#define AMDGPU_MAX_RINGS			16
-#define AMDGPU_MAX_GFX_RINGS			1
-#define AMDGPU_MAX_COMPUTE_RINGS		8
-#define AMDGPU_MAX_VCE_RINGS			3
-
 /* max number of IP instances */
 #define AMDGPU_MAX_SDMA_INSTANCES		2
 
@@ -155,7 +150,6 @@ extern int amdgpu_vram_page_split;
 struct amdgpu_device;
 struct amdgpu_ib;
 struct amdgpu_vm;
-struct amdgpu_ring;
 struct amdgpu_cs_parser;
 struct amdgpu_job;
 struct amdgpu_irq_src;
@@ -288,47 +282,6 @@ struct amdgpu_ih_funcs {
 	void (*set_rptr)(struct amdgpu_device *adev);
 };
 
-/* provided by hw blocks that expose a ring buffer for commands */
-struct amdgpu_ring_funcs {
-	/* ring read/write ptr handling */
-	u32 (*get_rptr)(struct amdgpu_ring *ring);
-	u32 (*get_wptr)(struct amdgpu_ring *ring);
-	void (*set_wptr)(struct amdgpu_ring *ring);
-	/* validating and patching of IBs */
-	int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
-	/* command emit functions */
-	void (*emit_ib)(struct amdgpu_ring *ring,
-			struct amdgpu_ib *ib,
-			unsigned vm_id, bool ctx_switch);
-	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
-			   uint64_t seq, unsigned flags);
-	void (*emit_pipeline_sync)(struct amdgpu_ring *ring);
-	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
-			      uint64_t pd_addr);
-	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
-	void (*emit_hdp_invalidate)(struct amdgpu_ring *ring);
-	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
-				uint32_t gds_base, uint32_t gds_size,
-				uint32_t gws_base, uint32_t gws_size,
-				uint32_t oa_base, uint32_t oa_size);
-	/* testing functions */
-	int (*test_ring)(struct amdgpu_ring *ring);
-	int (*test_ib)(struct amdgpu_ring *ring, long timeout);
-	/* insert NOP packets */
-	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
-	/* pad the indirect buffer to the necessary number of dw */
-	void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
-	unsigned (*init_cond_exec)(struct amdgpu_ring *ring);
-	void (*patch_cond_exec)(struct amdgpu_ring *ring, unsigned offset);
-	/* note usage for clock and power gating */
-	void (*begin_use)(struct amdgpu_ring *ring);
-	void (*end_use)(struct amdgpu_ring *ring);
-	void (*emit_switch_buffer) (struct amdgpu_ring *ring);
-	void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);
-	unsigned (*get_emit_ib_size) (struct amdgpu_ring *ring);
-	unsigned (*get_dma_frame_size) (struct amdgpu_ring *ring);
-};
-
 /*
  * BIOS.
  */
@@ -365,47 +318,6 @@ struct amdgpu_clock {
 	uint32_t max_pixel_clock;
 };
 
-/*
- * Fences.
- */
-struct amdgpu_fence_driver {
-	uint64_t			gpu_addr;
-	volatile uint32_t		*cpu_addr;
-	/* sync_seq is protected by ring emission lock */
-	uint32_t			sync_seq;
-	atomic_t			last_seq;
-	bool				initialized;
-	struct amdgpu_irq_src		*irq_src;
-	unsigned			irq_type;
-	struct timer_list		fallback_timer;
-	unsigned			num_fences_mask;
-	spinlock_t			lock;
-	struct fence			**fences;
-};
-
-/* some special values for the owner field */
-#define AMDGPU_FENCE_OWNER_UNDEFINED	((void*)0ul)
-#define AMDGPU_FENCE_OWNER_VM		((void*)1ul)
-
-#define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
-#define AMDGPU_FENCE_FLAG_INT           (1 << 1)
-
-int amdgpu_fence_driver_init(struct amdgpu_device *adev);
-void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
-void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
-
-int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
-				  unsigned num_hw_submission);
-int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
-				   struct amdgpu_irq_src *irq_src,
-				   unsigned irq_type);
-void amdgpu_fence_driver_suspend(struct amdgpu_device *adev);
-void amdgpu_fence_driver_resume(struct amdgpu_device *adev);
-int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **fence);
-void amdgpu_fence_process(struct amdgpu_ring *ring);
-int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
-unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
-
 /*
  * BO.
  */
@@ -703,14 +615,6 @@ struct amdgpu_ib {
 	uint32_t			flags;
 };
 
-enum amdgpu_ring_type {
-	AMDGPU_RING_TYPE_GFX,
-	AMDGPU_RING_TYPE_COMPUTE,
-	AMDGPU_RING_TYPE_SDMA,
-	AMDGPU_RING_TYPE_UVD,
-	AMDGPU_RING_TYPE_VCE
-};
-
 extern const struct amd_sched_backend_ops amdgpu_sched_ops;
 
 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
@@ -724,45 +628,6 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
 		      struct amd_sched_entity *entity, void *owner,
 		      struct fence **f);
 
-struct amdgpu_ring {
-	struct amdgpu_device		*adev;
-	const struct amdgpu_ring_funcs	*funcs;
-	struct amdgpu_fence_driver	fence_drv;
-	struct amd_gpu_scheduler	sched;
-
-	struct amdgpu_bo	*ring_obj;
-	volatile uint32_t	*ring;
-	unsigned		rptr_offs;
-	unsigned		wptr;
-	unsigned		wptr_old;
-	unsigned		ring_size;
-	unsigned		max_dw;
-	int			count_dw;
-	uint64_t		gpu_addr;
-	uint32_t		align_mask;
-	uint32_t		ptr_mask;
-	bool			ready;
-	u32			nop;
-	u32			idx;
-	u32			me;
-	u32			pipe;
-	u32			queue;
-	struct amdgpu_bo	*mqd_obj;
-	u32			doorbell_index;
-	bool			use_doorbell;
-	unsigned		wptr_offs;
-	unsigned		fence_offs;
-	uint64_t		current_ctx;
-	enum amdgpu_ring_type	type;
-	char			name[16];
-	unsigned		cond_exe_offs;
-	u64			cond_exe_gpu_addr;
-	volatile u32		*cond_exe_cpu_addr;
-#if defined(CONFIG_DEBUG_FS)
-	struct dentry *ent;
-#endif
-};
-
 /*
  * VM
  */
@@ -1168,16 +1033,6 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
-int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
-void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
-void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
-void amdgpu_ring_commit(struct amdgpu_ring *ring);
-void amdgpu_ring_undo(struct amdgpu_ring *ring);
-int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
-		     unsigned ring_size, u32 nop, u32 align_mask,
-		     struct amdgpu_irq_src *irq_src, unsigned irq_type,
-		     enum amdgpu_ring_type ring_type);
-void amdgpu_ring_fini(struct amdgpu_ring *ring);
 
 /*
  * CS.

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h

@@ -0,0 +1,184 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+#ifndef __AMDGPU_RING_H__
+#define __AMDGPU_RING_H__
+
+#include "gpu_scheduler.h"
+
+/* max number of rings */
+#define AMDGPU_MAX_RINGS		16
+#define AMDGPU_MAX_GFX_RINGS		1
+#define AMDGPU_MAX_COMPUTE_RINGS	8
+#define AMDGPU_MAX_VCE_RINGS		3
+
+/* some special values for the owner field */
+#define AMDGPU_FENCE_OWNER_UNDEFINED	((void*)0ul)
+#define AMDGPU_FENCE_OWNER_VM		((void*)1ul)
+
+#define AMDGPU_FENCE_FLAG_64BIT         (1 << 0)
+#define AMDGPU_FENCE_FLAG_INT           (1 << 1)
+
+enum amdgpu_ring_type {
+	AMDGPU_RING_TYPE_GFX,
+	AMDGPU_RING_TYPE_COMPUTE,
+	AMDGPU_RING_TYPE_SDMA,
+	AMDGPU_RING_TYPE_UVD,
+	AMDGPU_RING_TYPE_VCE
+};
+
+struct amdgpu_device;
+struct amdgpu_ring;
+struct amdgpu_ib;
+struct amdgpu_cs_parser;
+
+/*
+ * Fences.
+ */
+struct amdgpu_fence_driver {
+	uint64_t			gpu_addr;
+	volatile uint32_t		*cpu_addr;
+	/* sync_seq is protected by ring emission lock */
+	uint32_t			sync_seq;
+	atomic_t			last_seq;
+	bool				initialized;
+	struct amdgpu_irq_src		*irq_src;
+	unsigned			irq_type;
+	struct timer_list		fallback_timer;
+	unsigned			num_fences_mask;
+	spinlock_t			lock;
+	struct fence			**fences;
+};
+
+int amdgpu_fence_driver_init(struct amdgpu_device *adev);
+void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
+void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
+
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
+				  unsigned num_hw_submission);
+int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
+				   struct amdgpu_irq_src *irq_src,
+				   unsigned irq_type);
+void amdgpu_fence_driver_suspend(struct amdgpu_device *adev);
+void amdgpu_fence_driver_resume(struct amdgpu_device *adev);
+int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **fence);
+void amdgpu_fence_process(struct amdgpu_ring *ring);
+int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
+unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
+
+/*
+ * Rings.
+ */
+
+/* provided by hw blocks that expose a ring buffer for commands */
+struct amdgpu_ring_funcs {
+	/* ring read/write ptr handling */
+	u32 (*get_rptr)(struct amdgpu_ring *ring);
+	u32 (*get_wptr)(struct amdgpu_ring *ring);
+	void (*set_wptr)(struct amdgpu_ring *ring);
+	/* validating and patching of IBs */
+	int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
+	/* command emit functions */
+	void (*emit_ib)(struct amdgpu_ring *ring,
+			struct amdgpu_ib *ib,
+			unsigned vm_id, bool ctx_switch);
+	void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
+			   uint64_t seq, unsigned flags);
+	void (*emit_pipeline_sync)(struct amdgpu_ring *ring);
+	void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
+			      uint64_t pd_addr);
+	void (*emit_hdp_flush)(struct amdgpu_ring *ring);
+	void (*emit_hdp_invalidate)(struct amdgpu_ring *ring);
+	void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
+				uint32_t gds_base, uint32_t gds_size,
+				uint32_t gws_base, uint32_t gws_size,
+				uint32_t oa_base, uint32_t oa_size);
+	/* testing functions */
+	int (*test_ring)(struct amdgpu_ring *ring);
+	int (*test_ib)(struct amdgpu_ring *ring, long timeout);
+	/* insert NOP packets */
+	void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
+	/* pad the indirect buffer to the necessary number of dw */
+	void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
+	unsigned (*init_cond_exec)(struct amdgpu_ring *ring);
+	void (*patch_cond_exec)(struct amdgpu_ring *ring, unsigned offset);
+	/* note usage for clock and power gating */
+	void (*begin_use)(struct amdgpu_ring *ring);
+	void (*end_use)(struct amdgpu_ring *ring);
+	void (*emit_switch_buffer) (struct amdgpu_ring *ring);
+	void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);
+	unsigned (*get_emit_ib_size) (struct amdgpu_ring *ring);
+	unsigned (*get_dma_frame_size) (struct amdgpu_ring *ring);
+};
+
+struct amdgpu_ring {
+	struct amdgpu_device		*adev;
+	const struct amdgpu_ring_funcs	*funcs;
+	struct amdgpu_fence_driver	fence_drv;
+	struct amd_gpu_scheduler	sched;
+
+	struct amdgpu_bo	*ring_obj;
+	volatile uint32_t	*ring;
+	unsigned		rptr_offs;
+	unsigned		wptr;
+	unsigned		wptr_old;
+	unsigned		ring_size;
+	unsigned		max_dw;
+	int			count_dw;
+	uint64_t		gpu_addr;
+	uint32_t		align_mask;
+	uint32_t		ptr_mask;
+	bool			ready;
+	u32			nop;
+	u32			idx;
+	u32			me;
+	u32			pipe;
+	u32			queue;
+	struct amdgpu_bo	*mqd_obj;
+	u32			doorbell_index;
+	bool			use_doorbell;
+	unsigned		wptr_offs;
+	unsigned		fence_offs;
+	uint64_t		current_ctx;
+	enum amdgpu_ring_type	type;
+	char			name[16];
+	unsigned		cond_exe_offs;
+	u64			cond_exe_gpu_addr;
+	volatile u32		*cond_exe_cpu_addr;
+#if defined(CONFIG_DEBUG_FS)
+	struct dentry *ent;
+#endif
+};
+
+int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
+void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
+void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
+void amdgpu_ring_commit(struct amdgpu_ring *ring);
+void amdgpu_ring_undo(struct amdgpu_ring *ring);
+int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
+		     unsigned ring_size, u32 nop, u32 align_mask,
+		     struct amdgpu_irq_src *irq_src, unsigned irq_type,
+		     enum amdgpu_ring_type ring_type);
+void amdgpu_ring_fini(struct amdgpu_ring *ring);
+
+#endif