From: Jack Xiao <[email protected]> The helper function is used to submit mes command and poll waiting for the command completion.
v2: replaced with amdgpu_fence_wait_polling to wait. Signed-off-by: Jack Xiao <[email protected]> Acked-by: Alex Deucher <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 30 ++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c index da89b6a6507c..3ce77839468d 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c @@ -78,6 +78,36 @@ static const struct amdgpu_ring_funcs mes_v10_1_ring_funcs = { .insert_nop = amdgpu_ring_insert_nop, }; +static int mes_v10_1_submit_pkt_and_poll_completion(struct amdgpu_mes *mes, + void *pkt, int size) +{ + int ndw = size / 4; + signed long r; + union MESAPI__ADD_QUEUE *x_pkt = pkt; + struct amdgpu_device *adev = mes->adev; + struct amdgpu_ring *ring = &mes->ring; + + BUG_ON(size % 4 != 0); + + if (amdgpu_ring_alloc(ring, ndw)) + return -ENOMEM; + + amdgpu_ring_write_multiple(ring, pkt, ndw); + amdgpu_ring_commit(ring); + + DRM_DEBUG("MES msg=%d was emitted\n", x_pkt->header.opcode); + + r = amdgpu_fence_wait_polling(ring, ring->fence_drv.sync_seq, + adev->usec_timeout); + if (r < 1) { + DRM_ERROR("MES failed to response msg=%d\n", + x_pkt->header.opcode); + return -ETIMEDOUT; + } + + return 0; +} + static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes, struct mes_add_queue_input *input) { -- 2.25.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
