diff options
| author | Victor Zhao <Victor.Zhao@amd.com> | 2022-06-21 11:59:44 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-17 01:14:31 +0300 |
| commit | bfaced6ee77484d8b9c6baf86a8e9406f80108c5 (patch) | |
| tree | aa16a3b0b5dbc3425bfb4c270b488ee026edcf9e /drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c | |
| parent | 5bd8d53f6fa53eab5433698d1362dae2aa53c1cc (diff) | |
| download | linux-bfaced6ee77484d8b9c6baf86a8e9406f80108c5.tar.xz | |
drm/amdgpu: save and restore gc hub regs
Save and restore gfxhub regs as they will be reset during mode 2
Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c index b61a8ddec7ef..2dbbda17848b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c +++ b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c @@ -94,8 +94,11 @@ sienna_cichlid_mode2_prepare_hwcontext(struct amdgpu_reset_control *reset_ctl, int r = 0; struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl->handle; - if (!amdgpu_sriov_vf(adev)) + if (!amdgpu_sriov_vf(adev)) { + if (adev->gfxhub.funcs->mode2_save_regs) + adev->gfxhub.funcs->mode2_save_regs(adev); r = sienna_cichlid_mode2_suspend_ip(adev); + } return r; } @@ -151,6 +154,8 @@ static int sienna_cichlid_mode2_restore_ip(struct amdgpu_device *adev) } /* Reinit GFXHUB */ + if (adev->gfxhub.funcs->mode2_restore_regs) + adev->gfxhub.funcs->mode2_restore_regs(adev); adev->gfxhub.funcs->init(adev); r = adev->gfxhub.funcs->gart_enable(adev); if (r) { |