diff options
| author | David Francis <David.Francis@amd.com> | 2023-02-27 18:33:11 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 16:59:13 +0300 |
| commit | 76eb9c95a409ea820b2e7c968c220e7a38f27d76 (patch) | |
| tree | d56750f9dbcc889457b3b5d957e82433000e8a90 /drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | |
| parent | 352b919c1e5ff50c71d665395b27acbd1bf23a05 (diff) | |
| download | linux-76eb9c95a409ea820b2e7c968c220e7a38f27d76.tar.xz | |
drm/amdgpu/bu: add mtype_local as a module parameter
Selects the MTYPE to be used for local memory,
(0 = MTYPE_CC (default), 1 = MTYPE_NC, 2 = MTYPE_RW)
v2: squash in build fix (Alex)
Reviewed-by: Graham Sider <Graham.Sider@amd.com>
Signed-off-by: David Francis <David.Francis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index c64a69f75da2..5a1414300271 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1235,7 +1235,16 @@ static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev, * NUMA systems. Their MTYPE can be overridden per-page in * gmc_v9_0_override_vm_pte_flags. */ - mtype_local = amdgpu_use_mtype_cc_wa ? MTYPE_CC : MTYPE_RW; + mtype_local = MTYPE_CC; + if (amdgpu_mtype_local == 1) { + DRM_INFO_ONCE("Using MTYPE_NC for local memory\n"); + mtype_local = MTYPE_NC; + } else if (amdgpu_mtype_local == 2) { + DRM_INFO_ONCE("Using MTYPE_RW for local memory\n"); + mtype_local = MTYPE_RW; + } else { + DRM_INFO_ONCE("Using MTYPE_CC for local memory\n"); + } is_local = (!is_vram && (adev->flags & AMD_IS_APU) && num_possible_nodes() <= 1) || (is_vram && adev == bo_adev /* TODO: memory partitions && @@ -1349,9 +1358,13 @@ static void gmc_v9_0_override_vm_pte_flags(struct amdgpu_device *adev, dev_dbg(adev->dev, "vm->mem_id=%d, local_node=%d, nid=%d\n", /*vm->mem_id*/0, local_node, nid); if (nid == local_node) { - unsigned int mtype_local = - amdgpu_use_mtype_cc_wa ? MTYPE_CC : MTYPE_RW; uint64_t old_flags = *flags; + unsigned int mtype_local = MTYPE_CC; + + if (amdgpu_mtype_local == 1) + mtype_local = MTYPE_NC; + else if (amdgpu_mtype_local == 2) + mtype_local = MTYPE_RW; *flags = (*flags & ~AMDGPU_PTE_MTYPE_VG10_MASK) | AMDGPU_PTE_MTYPE_VG10(mtype_local); |