From 80af9daa62faeb9397a80ddf5777f97809efb166 Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Wed, 1 Jul 2020 12:23:06 +0800 Subject: drm/amdgpu: add helper function to initialize mqd from ring v4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add the helper function to initialize mqd from ring configuration. v2: use if/else pair instead of ?/: pair v3: use simpler way to judge hqd_active v4: fix parameters to amdgpu_gfx_is_high_priority_compute_queue Signed-off-by: Jack Xiao Acked-by: Christian König Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 48 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 2 ++ 2 files changed, 50 insertions(+) (limited to 'drivers/gpu/drm/amd') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 7f33ae87cb41..773954318216 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -458,3 +458,51 @@ int amdgpu_ring_test_helper(struct amdgpu_ring *ring) ring->sched.ready = !r; return r; } + +static void amdgpu_ring_to_mqd_prop(struct amdgpu_ring *ring, + struct amdgpu_mqd_prop *prop) +{ + struct amdgpu_device *adev = ring->adev; + + memset(prop, 0, sizeof(*prop)); + + prop->mqd_gpu_addr = ring->mqd_gpu_addr; + prop->hqd_base_gpu_addr = ring->gpu_addr; + prop->rptr_gpu_addr = ring->rptr_gpu_addr; + prop->wptr_gpu_addr = ring->wptr_gpu_addr; + prop->queue_size = ring->ring_size; + prop->eop_gpu_addr = ring->eop_gpu_addr; + prop->use_doorbell = ring->use_doorbell; + prop->doorbell_index = ring->doorbell_index; + + /* map_queues packet doesn't need activate the queue, + * so only kiq need set this field. + */ + prop->hqd_active = ring->funcs->type == AMDGPU_RING_TYPE_KIQ; + + if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) { + if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring)) { + prop->hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_HIGH; + prop->hqd_queue_priority = + AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM; + } + } +} + +int amdgpu_ring_init_mqd(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_mqd *mqd_mgr; + struct amdgpu_mqd_prop prop; + + amdgpu_ring_to_mqd_prop(ring, &prop); + + ring->wptr = 0; + + if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ) + mqd_mgr = &adev->mqds[AMDGPU_HW_IP_COMPUTE]; + else + mqd_mgr = &adev->mqds[ring->funcs->type]; + + return mqd_mgr->init_mqd(adev, ring->mqd_ptr, &prop); +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 317d80209e95..20dfe5a19a81 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -369,6 +369,8 @@ int amdgpu_ring_test_helper(struct amdgpu_ring *ring); void amdgpu_debugfs_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring); +int amdgpu_ring_init_mqd(struct amdgpu_ring *ring); + static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, int idx) { return ib->ptr[idx]; -- cgit v1.2.3