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drm/amdgpu: add insert_nop ring func and default implementation

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The insert_nop function is added to amdgpu_ring_funcs structure as
well as the default implementation

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jammy Zhou
2015-09-01 13:04:08 +08:00
committed by Alex Deucher
parent 4b2f7e2ca9
commit edff0e2826
12 changed files with 36 additions and 3 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -343,6 +343,8 @@ struct amdgpu_ring_funcs {
int (*test_ring)(struct amdgpu_ring *ring);
int (*test_ib)(struct amdgpu_ring *ring);
bool (*is_lockup)(struct amdgpu_ring *ring);
/* insert NOP packets */
void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
};
/*
@@ -1217,6 +1219,7 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
void amdgpu_ring_free_size(struct amdgpu_ring *ring);
int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
void amdgpu_ring_commit(struct amdgpu_ring *ring);
void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
void amdgpu_ring_undo(struct amdgpu_ring *ring);