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| author | Alex Deucher <alexander.deucher@amd.com> | 2023-04-26 22:30:13 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 16:30:58 +0300 |
| commit | 1cfb4d6121276a829aa94d0e32a7f5e1830ebc21 (patch) | |
| tree | 2ae2e559ca864785228e330f44b8b1f23b9eb334 /drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | |
| parent | 967a66396e4668ef314e06a0391e67aa1cf6d058 (diff) | |
| download | linux-1cfb4d6121276a829aa94d0e32a7f5e1830ebc21.tar.xz | |
drm/amdgpu: put MQDs in VRAM
Reduces preemption latency.
Only enable this for gfx10 and 11 for now
to avoid changing behavior on gfx 8 and 9.
v2: move MES MQDs into VRAM as well (YuBiao)
v3: enable on gfx10, 11 only (Alex)
v4: minor style changes, document why gfx10/11 only (Alex)
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 90f5d302d5f3..b91be56ba773 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -382,6 +382,11 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, int r, i, j; struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id]; struct amdgpu_ring *ring = &kiq->ring; + u32 domain = AMDGPU_GEM_DOMAIN_GTT; + + /* Only enable on gfx10 and 11 for now to avoid changing behavior on older chips */ + if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 0, 0)) + domain |= AMDGPU_GEM_DOMAIN_VRAM; /* create MQD for KIQ */ if (!adev->enable_mes_kiq && !ring->mqd_obj) { @@ -413,7 +418,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, ring = &adev->gfx.gfx_ring[i]; if (!ring->mqd_obj) { r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj, + domain, &ring->mqd_obj, &ring->mqd_gpu_addr, &ring->mqd_ptr); if (r) { dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r); @@ -435,7 +440,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, ring = &adev->gfx.compute_ring[j]; if (!ring->mqd_obj) { r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj, + domain, &ring->mqd_obj, &ring->mqd_gpu_addr, &ring->mqd_ptr); if (r) { dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r); |