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| author | Alex Deucher <alexander.deucher@amd.com> | 2023-12-14 20:18:45 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-01-16 02:35:36 +0300 |
| commit | 26405ff4306a7be83a551d65b801998ae926f276 (patch) | |
| tree | 7c5eb0615684ee5055d8e2420ed84714efca83f9 /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
| parent | d3f452f3a01e748cc6e569df6275e95b0efdb01f (diff) | |
| download | linux-26405ff4306a7be83a551d65b801998ae926f276.tar.xz | |
drm/amdgpu: move kiq_reg_write_reg_wait() out of amdgpu_virt.c
It's used for more than just SR-IOV now, so move it to
amdgpu_gmc.c and rename it to better match the functionality and
update the comments in the code paths to better document
when each path is used and why. No functional change.
Reviewed-by: Shaoyun.liu <Shaoyun.liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Shaoyun.Liu@amd.com
Cc: Christian.Koenig@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index f9039d64ff2d..9bff72356a37 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -829,23 +829,25 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, req = hub->vm_inv_eng0_req + hub->eng_distance * eng; ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; - /* This is necessary for a HW workaround under SRIOV as well - * as GFXOFF under bare metal - */ if (vmhub >= AMDGPU_MMHUB0(0)) inst = GET_INST(GC, 0); else inst = vmhub; + + /* This is necessary for SRIOV as well as for GFXOFF to function + * properly under bare metal + */ if (adev->gfx.kiq[inst].ring.sched.ready && (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) { uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng; uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; - amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req, - 1 << vmid, inst); + amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req, + 1 << vmid, inst); return; } + /* This path is needed before KIQ/MES/GFXOFF are set up */ spin_lock(&adev->gmc.invalidate_lock); /* |