diff options
| author | Huang Rui <ray.huang@amd.com> | 2017-12-15 09:33:21 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-01-29 23:14:30 -0500 |
| commit | 59fd27cd2fd762b08a1f54de8bbe3b82aba06a13 (patch) | |
| tree | 14c0c3a7770ea050f43d582ac8f8ef0cea95133e /drivers/gpu/drm/amd/amdgpu | |
| parent | 95244db2d3f743f37e69446a2807dd1a42750542 (diff) | |
drm/amdgpu: use queue 0 for kiq ring
It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN only can be issued on
queue 0.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index bb40d2529a30..239bf2a4b3c6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -179,8 +179,12 @@ static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev, amdgpu_gfx_bit_to_queue(adev, queue_bit, &mec, &pipe, &queue); - /* Using pipes 2/3 from MEC 2 seems cause problems */ - if (mec == 1 && pipe > 1) + /* + * 1. Using pipes 2/3 from MEC 2 seems cause problems. + * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN + * only can be issued on queue 0. + */ + if ((mec == 1 && pipe > 1) || queue != 0) continue; ring->me = mec + 1; |