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drm/amdgpu: Don't touch GFX hw during HW fini 

For SR-IOV client, driver shouldn't touch the GFX hw during HW
fini, otherwise, gfx will fail to start after rebooting guest os.

Signed-off-by: shaoyunl <Shaoyun.Liu@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiangliang Yu 2016-11-30 10:54:18 +08:00 committed by Alex Deucher
parent c7fac7dc1d
commit 84f3f05b44
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -4827,6 +4827,10 @@ static int gfx_v8_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
if (amdgpu_sriov_vf(adev)) {
pr_debug("For SRIOV client, shouldn't do anything.\n");
return 0;
}
gfx_v8_0_cp_enable(adev, false);
gfx_v8_0_rlc_stop(adev);
gfx_v8_0_cp_compute_fini(adev);