diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-09-08 11:11:24 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-26 23:54:51 +0300 |
| commit | c45e38f21754b7cf0043618ebc2c145a23ecccaf (patch) | |
| tree | 01f73a5004231302d9fb088b9313be1ad016fc67 /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | f4f8a4dac0e110bb13a6620ac71aa87482f8e09d (diff) | |
| download | linux-c45e38f21754b7cf0043618ebc2c145a23ecccaf.tar.xz | |
drm/amdgpu: Restore partition mode after reset
On a full device reset, PSP FW gets unloaded. Hence restore the
partition mode by placing a new request.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Asad Kamal <asad.kamal@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 | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 565a1fa436d4..2b99eed5ba19 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -163,16 +163,11 @@ int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode) return 0; } -int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode) +static int __amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, + int mode) { int ret, curr_mode, num_xcps = 0; - if (!xcp_mgr || mode == AMDGPU_XCP_MODE_NONE) - return -EINVAL; - - if (xcp_mgr->mode == mode) - return 0; - if (!xcp_mgr->funcs || !xcp_mgr->funcs->switch_partition_mode) return 0; @@ -201,6 +196,25 @@ out: return ret; } +int amdgpu_xcp_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr, int mode) +{ + if (!xcp_mgr || mode == AMDGPU_XCP_MODE_NONE) + return -EINVAL; + + if (xcp_mgr->mode == mode) + return 0; + + return __amdgpu_xcp_switch_partition_mode(xcp_mgr, mode); +} + +int amdgpu_xcp_restore_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr) +{ + if (!xcp_mgr || xcp_mgr->mode == AMDGPU_XCP_MODE_NONE) + return 0; + + 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) { int mode; |