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[Public]
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of jiadong.zhu@xxxxxxx <jiadong.zhu@xxxxxxx>
Sent: Thursday, November 30, 2023 7:57 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Zhu, Jiadong <Jiadong.Zhu@xxxxxxx> Subject: [PATCH] drm/amdgpu: disable MCBP by default From: Jiadong Zhu <Jiadong.Zhu@xxxxxxx>
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. Signed-off-by: Jiadong Zhu <Jiadong.Zhu@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 21b8a8f2b622..280fcad9ce93 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3690,10 +3690,6 @@ 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; -- 2.25.1 |
