drm/amdgpu: use queue 0 for kiq ring
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Web: https://git.kernel.org/torvalds/c/59fd27cd2fd762b08a1f54de8bbe3b82aba06a13 Commit: 59fd27cd2fd762b08a1f54de8bbe3b82aba06a13 Parent: 95244db2d3f743f37e69446a2807dd1a42750542 Refname: refs/heads/master Author: Huang Rui <[email protected]> AuthorDate: Fri Dec 15 09:33:21 2017 +0800 Committer: Alex Deucher <[email protected]> CommitDate: Mon Jan 29 23:14:30 2018 -0500 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 <[email protected]> Acked-by: Hawking Zhang <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 8 ++++++-- 1 file 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; -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html