diff options
-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; |