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| author | Zhigang Luo <Zhigang.Luo@amd.com> | 2023-05-18 23:10:00 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-30 20:11:35 +0300 |
| commit | 2036b34d4af9e09ed07f79c4e3f27952463e6f4e (patch) | |
| tree | 4ea713325e8ea6412ac0b74c314ba854fdbb2936 /drivers/gpu | |
| parent | 5c6d52ff4b61e5267b25be714eb5a9ba2a338199 (diff) | |
| download | linux-2036b34d4af9e09ed07f79c4e3f27952463e6f4e.tar.xz | |
drm/amdgpu: port SRIOV VF missed changes
port SRIOV VF missed changes from gfx_v9_0 to gfx_v9_4_3.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Zhigang Luo <Zhigang.Luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index c1ee54d4c3d3..76b189bd244a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -1762,6 +1762,8 @@ static int gfx_v9_4_3_xcc_kiq_init_queue(struct amdgpu_ring *ring, int xcc_id) ((struct v9_mqd_allocation *)mqd)->dynamic_cu_mask = 0xFFFFFFFF; ((struct v9_mqd_allocation *)mqd)->dynamic_rb_mask = 0xFFFFFFFF; mutex_lock(&adev->srbm_mutex); + if (amdgpu_sriov_vf(adev) && adev->in_suspend) + amdgpu_ring_clear_ring(ring); soc15_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0, GET_INST(GC, xcc_id)); gfx_v9_4_3_xcc_mqd_init(ring, xcc_id); gfx_v9_4_3_xcc_kiq_init_register(ring, xcc_id); @@ -1960,6 +1962,16 @@ static void gfx_v9_4_3_xcc_fini(struct amdgpu_device *adev, int xcc_id) if (amdgpu_gfx_disable_kcq(adev, xcc_id)) DRM_ERROR("XCD %d KCQ disable failed\n", xcc_id); + if (amdgpu_sriov_vf(adev)) { + /* must disable polling for SRIOV when hw finished, otherwise + * CPC engine may still keep fetching WB address which is already + * invalid after sw finished and trigger DMAR reading error in + * hypervisor side. + */ + WREG32_FIELD15_PREREG(GC, GET_INST(GC, xcc_id), CP_PQ_WPTR_POLL_CNTL, EN, 0); + return; + } + /* Use deinitialize sequence from CAIL when unbinding device * from driver, otherwise KIQ is hanging when binding back */ @@ -1984,7 +1996,8 @@ static int gfx_v9_4_3_hw_init(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - gfx_v9_4_3_init_golden_registers(adev); + if (!amdgpu_sriov_vf(adev)) + gfx_v9_4_3_init_golden_registers(adev); gfx_v9_4_3_constants_init(adev); |