diff options
| author | Friedrich Vock <friedrich.vock@gmx.de> | 2023-12-02 01:17:40 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-12-13 15:23:59 -0500 |
| commit | 91963397c49aa2907aeafa52d929555dcbc9cd07 (patch) | |
| tree | 31a7b2aa708eab6c43d8c413c4ed3f65d8dd6e10 /drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | |
| parent | 94b1e028e15c94362420f9f3f711fafbf9d52996 (diff) | |
drm/amdgpu: Enable tunneling on high-priority compute queues
This improves latency if the GPU is already busy with other work.
This is useful for VR compositors that submit highly latency-sensitive
compositing work on high-priority compute queues while the GPU is busy
rendering the next frame.
Userspace merge request:
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26462
v2: bump driver version (Alex)
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Friedrich Vock <friedrich.vock@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index c8a3bf01743f..73f6d7e72c73 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6593,7 +6593,8 @@ static int gfx_v10_0_compute_mqd_init(struct amdgpu_device *adev, void *m, tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, ENDIAN_SWAP, 1); #endif tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, UNORD_DISPATCH, 0); - tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, TUNNEL_DISPATCH, 0); + tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, TUNNEL_DISPATCH, + prop->allow_tunneling); tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, PRIV_STATE, 1); tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, KMD_QUEUE, 1); mqd->cp_hqd_pq_control = tmp; |