diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 997932ebbb83..855eff834e2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -199,6 +199,30 @@ void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev) adev->gfx.num_compute_rings = AMDGPU_MAX_COMPUTE_RINGS; } +void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev) +{ + int i, queue, pipe, me; + + for (i = 0; i < AMDGPU_MAX_GFX_QUEUES; ++i) { + queue = i % adev->gfx.me.num_queue_per_pipe; + pipe = (i / adev->gfx.me.num_queue_per_pipe) + % adev->gfx.me.num_pipe_per_me; + me = (i / adev->gfx.me.num_queue_per_pipe) + / adev->gfx.me.num_pipe_per_me; + + if (me >= adev->gfx.me.num_me) + break; + /* policy: amdgpu owns the first queue per pipe at this stage + * will extend to mulitple queues per pipe later */ + if (me == 0 && queue < 1) + set_bit(i, adev->gfx.me.queue_bitmap); + } + + /* update the number of active graphics rings */ + adev->gfx.num_gfx_rings = + bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES); +} + static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev, struct amdgpu_ring *ring) { |