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Commit 692441f2 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
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drm/amdgpu: Add new ring interface preempt_ib 



Used to trigger preemtption

Acked-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarJack Xiao <Jack.Xiao@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ef3e1323

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

+2 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ struct amdgpu_ring_funcs { 
			      enum drm_sched_priority priority);

	/* Try to soft recover the ring to make the fence signal */

	void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);

	int (*preempt_ib)(struct amdgpu_ring *ring);

};



struct amdgpu_ring {
@@ -250,6 +251,7 @@ struct amdgpu_ring { 
#define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))

#define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))

#define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))

#define amdgpu_ring_preempt_ib(r) (r)->funcs->preempt_ib(r)



int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);

void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);