diff options
| 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_device.c | |
| parent | ba4c1d772c26ee91ea308c1b68f4f58a38de2aa5 (diff) | |
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_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 97d202db1ce5..1b3bd77d82da 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3493,10 +3493,11 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) { if (amdgpu_mcbp == 1) adev->gfx.mcbp = true; - - if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) && - (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) && - adev->gfx.num_gfx_rings) + else if (amdgpu_mcbp == 0) + adev->gfx.mcbp = false; + else if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 0, 0)) && + (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 0, 0)) && + adev->gfx.num_gfx_rings) adev->gfx.mcbp = true; if (amdgpu_sriov_vf(adev)) |