diff options
| author |   Rex Zhu <Rex.Zhu@amd.com> | 2018-08-17 16:45:16 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 15:11:49 -0500 |
| commit | ffabea84c55b1c6446b2245b87cdf6827b22e366 (patch) | |
| tree | 3757d719f574129cad023e6483d547c4a5382c83 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | |
| parent | drm/amdgpu: Remove duplicate code in gfx_v9_0.c (diff) | |
| download | linux-dev-ffabea84c55b1c6446b2245b87cdf6827b22e366.tar.xz linux-dev-ffabea84c55b1c6446b2245b87cdf6827b22e366.zip | |
drm/amdgpu: Refine gfx_v9_0_kcq_disable function
Send all kcq unmap_queue packets and then wait for
complete.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 37c95c479002..21e66f86de92 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3216,28 +3216,29 @@ static int gfx_v9_0_hw_init(void *handle) return r; } -static int gfx_v9_0_kcq_disable(struct amdgpu_ring *kiq_ring,struct amdgpu_ring *ring) +static int gfx_v9_0_kcq_disable(struct amdgpu_device *adev) { - int r; + int r, i; + struct amdgpu_ring *kiq_ring = &adev->gfx.kiq.ring; - r = amdgpu_ring_alloc(kiq_ring, 6); - if (r) { + r = amdgpu_ring_alloc(kiq_ring, 6 * adev->gfx.num_compute_rings); + if (r) DRM_ERROR("Failed to lock KIQ (%d).\n", r); - return r; - } - /* unmap queues */ - amdgpu_ring_write(kiq_ring, PACKET3(PACKET3_UNMAP_QUEUES, 4)); - amdgpu_ring_write(kiq_ring, /* Q_sel: 0, vmid: 0, engine: 0, num_Q: 1 */ + for (i = 0; i < adev->gfx.num_compute_rings; i++) { + struct amdgpu_ring *ring = &adev->gfx.compute_ring[i]; + + amdgpu_ring_write(kiq_ring, PACKET3(PACKET3_UNMAP_QUEUES, 4)); + amdgpu_ring_write(kiq_ring, /* Q_sel: 0, vmid: 0, engine: 0, num_Q: 1 */ PACKET3_UNMAP_QUEUES_ACTION(1) | /* RESET_QUEUES */ PACKET3_UNMAP_QUEUES_QUEUE_SEL(0) | PACKET3_UNMAP_QUEUES_ENGINE_SEL(0) | PACKET3_UNMAP_QUEUES_NUM_QUEUES(1)); - amdgpu_ring_write(kiq_ring, PACKET3_UNMAP_QUEUES_DOORBELL_OFFSET0(ring->doorbell_index)); - amdgpu_ring_write(kiq_ring, 0); - amdgpu_ring_write(kiq_ring, 0); - amdgpu_ring_write(kiq_ring, 0); - + amdgpu_ring_write(kiq_ring, PACKET3_UNMAP_QUEUES_DOORBELL_OFFSET0(ring->doorbell_index)); + amdgpu_ring_write(kiq_ring, 0); + amdgpu_ring_write(kiq_ring, 0); + amdgpu_ring_write(kiq_ring, 0); + } r = amdgpu_ring_test_ring(kiq_ring); if (r) DRM_ERROR("KCQ disable failed\n"); @@ -3248,14 +3249,12 @@ static int gfx_v9_0_kcq_disable(struct amdgpu_ring *kiq_ring,struct amdgpu_ring static int gfx_v9_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - int i; amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0); amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0); /* disable KCQ to avoid CPC touch memory not valid anymore */ - for (i = 0; i < adev->gfx.num_compute_rings; i++) - gfx_v9_0_kcq_disable(&adev->gfx.kiq.ring, &adev->gfx.compute_ring[i]); + gfx_v9_0_kcq_disable(adev); if (amdgpu_sriov_vf(adev)) { gfx_v9_0_cp_gfx_enable(adev, false); |