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| author | Jiadong Zhu <Jiadong.Zhu@amd.com> | 2023-08-08 10:59:25 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-15 17:44:02 -0400 |
| commit | 1e9e15dcf414bef97489573e3521589b692f7231 (patch) | |
| tree | b731e727ddff1cdc3d8e6ef1d9bc77a4480dbba9 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c | |
| parent | ba4c1d772c26ee91ea308c1b68f4f58a38de2aa5 (diff) | |
| download | linux-1e9e15dcf414bef97489573e3521589b692f7231.tar.gz linux-1e9e15dcf414bef97489573e3521589b692f7231.tar.bz2 linux-1e9e15dcf414bef97489573e3521589b692f7231.zip | |
drm/amdgpu: disable mcbp if parameter zero is set
The parameter amdgpu_mcbp shall have priority against the default value
calculated from the chip version.
User could disable mcbp by setting the parameter mcbp as zero.
v2: do not trigger preemption in sw ring muxer when mcbp is disabled.
Signed-off-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c index b779ee4bbaa7..e1ee1c7117fb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c @@ -397,7 +397,7 @@ void amdgpu_sw_ring_ib_begin(struct amdgpu_ring *ring) struct amdgpu_ring_mux *mux = &adev->gfx.muxer; WARN_ON(!ring->is_sw_ring); - if (ring->hw_prio > AMDGPU_RING_PRIO_DEFAULT) { + if (adev->gfx.mcbp && ring->hw_prio > AMDGPU_RING_PRIO_DEFAULT) { if (amdgpu_mcbp_scan(mux) > 0) amdgpu_mcbp_trigger_preempt(mux); return; |