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| author | Alex Deucher <alexander.deucher@amd.com> | 2026-08-20 09:02:01 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-09-02 14:54:01 -0400 |
| commit | 6aae7bab029cdccae9a7157facfe36bfc35fc940 (patch) | |
| tree | 20592b034ae72d9c612b7b4191e2769a63a31126 | |
| parent | a6ea3f9ec21eafcbdcd3534e79f3c93ca4e89038 (diff) | |
| download | linux-next-6aae7bab029cdccae9a7157facfe36bfc35fc940.tar.gz linux-next-6aae7bab029cdccae9a7157facfe36bfc35fc940.zip | |
drm/amdgpu/gfx8: only apply compute quantums to KCQs
Don't apply to KIQ. Seems to cause problems on KIQ
on some ARM platforms.
Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5658
Fixes: 91cf34bc5a55 ("drm/amdgpu/gfx8: align mqd settings with KFD")
Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index f7c2b149acd0..4241453e0ec8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4546,9 +4546,11 @@ static int gfx_v8_0_mqd_init(struct amdgpu_ring *ring) /* set static priority for a queue/ring */ gfx_v8_0_mqd_set_priority(ring, mqd); tmp = RREG32(mmCP_HQD_QUANTUM); - tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_EN, 1); - tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_SCALE, 1); - tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_DURATION, 10); + if (ring != &adev->gfx.kiq[0].ring) { + tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_EN, 1); + tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_SCALE, 1); + tmp = REG_SET_FIELD(tmp, CP_HQD_QUANTUM, QUANTUM_DURATION, 10); + } mqd->cp_hqd_quantum = tmp; /* map_queues packet doesn't need activate the queue, |