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| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-07-05 06:15:08 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-07-15 21:07:17 +0300 |
| commit | 8ff4a4b98d1f82544460a9e9c04dbe9d0ac0322f (patch) | |
| tree | a02b3d75408eeb9ddfe765749cce0d7edaa7e796 /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | 7e11e01d1f1d00cb308f9351511e9597a4f70678 (diff) | |
| download | linux-8ff4a4b98d1f82544460a9e9c04dbe9d0ac0322f.tar.xz | |
drm/amdgpu: Use cached partition mode, if valid
For current partition mode queries, return the mode cached in partition
manager whenever it's valid.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index c8fcafeb6864..c417f8689220 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -218,15 +218,27 @@ int amdgpu_xcp_restore_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr) return __amdgpu_xcp_switch_partition_mode(xcp_mgr, xcp_mgr->mode); } -int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +static bool __amdgpu_xcp_is_cached_mode_valid(struct amdgpu_xcp_mgr *xcp_mgr) { - int mode; + if (!xcp_mgr->funcs || !xcp_mgr->funcs->query_partition_mode) + return true; if (!amdgpu_sriov_vf(xcp_mgr->adev) && xcp_mgr->mode == AMDGPU_XCP_MODE_NONE) - return xcp_mgr->mode; + return true; - if (!xcp_mgr->funcs || !xcp_mgr->funcs->query_partition_mode) + if (xcp_mgr->mode != AMDGPU_XCP_MODE_NONE && + xcp_mgr->mode != AMDGPU_XCP_MODE_TRANS) + return true; + + return false; +} + +int amdgpu_xcp_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags) +{ + int mode; + + if (__amdgpu_xcp_is_cached_mode_valid(xcp_mgr)) return xcp_mgr->mode; if (!(flags & AMDGPU_XCP_FL_LOCKED)) |