Commit c1e877da authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: add new emit_reg_wait callback 



Allows us to wait for a register value/mask on a ring.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarFelix Kuehling <felix.kuehling@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 49135593

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

+1 −0
Original line number Diff line number Diff line
@@ -1794,6 +1794,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) 
#define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))

#define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d))

#define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))

#define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m))

#define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b))

#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))

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

+2 −0
Original line number Diff line number Diff line
@@ -150,6 +150,8 @@ struct amdgpu_ring_funcs { 
	void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);

	void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg);

	void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);

	void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg,

			      uint32_t val, uint32_t mask);

	void (*emit_tmz)(struct amdgpu_ring *ring, bool start);

	/* priority functions */

	void (*set_priority) (struct amdgpu_ring *ring,

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