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| author | Jiadong Zhu <Jiadong.Zhu@amd.com> | 2023-12-01 08:38:15 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-12-06 15:39:59 -0500 |
| commit | d6a57588666301acd9d42d3b00d74240964f07f6 (patch) | |
| tree | ab2a97bbc6babbd4edaf11d0e89b14853ce2b415 /drivers/gpu | |
| parent | 33924328498e903bea74727353e5012d29653aff (diff) | |
| download | lwn-d6a57588666301acd9d42d3b00d74240964f07f6.tar.gz lwn-d6a57588666301acd9d42d3b00d74240964f07f6.zip | |
drm/amdgpu: disable MCBP by default
Disable MCBP(mid command buffer preemption) by default as old Mesa
hangs with it. We shall not enable the feature that breaks old usermode
driver.
Fixes: 50a7c8765ca6 ("drm/amdgpu: enable mcbp by default on gfx9")
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>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5c0817cbc7c2..1cc1ae2743c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3791,10 +3791,6 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) adev->gfx.mcbp = true; else if (amdgpu_mcbp == 0) adev->gfx.mcbp = false; - else if ((amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 0, 0)) && - (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 0, 0)) && - adev->gfx.num_gfx_rings) - adev->gfx.mcbp = true; if (amdgpu_sriov_vf(adev)) adev->gfx.mcbp = true; |