drm/amdgpu: add a ring func for end command

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

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index e357e42..c485708 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -222,6 +222,9 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
                return r;
        }
 
+       if (ring->funcs->insert_end)
+               ring->funcs->insert_end(ring);
+
        /* wrap the last IB with fence */
        if (job && job->uf_addr) {
                amdgpu_ring_emit_fence(ring, job->uf_addr, job->uf_sequence,

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index dada0a0..f0c1a6b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -127,6 +127,7 @@ struct amdgpu_ring_funcs {
        int (*test_ib)(struct amdgpu_ring *ring, long timeout);
        /* insert NOP packets */
        void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
+       void (*insert_end)(struct amdgpu_ring *ring);
        /* 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);