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| author | Sunil Khatri <sunil.khatri@amd.com> | 2024-10-17 19:17:22 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-10-22 17:50:39 -0400 |
| commit | e095026f0066eca05268b20a6f378cf31bedc54b (patch) | |
| tree | ea958eefac83c657404dccf764bea116a4db3b35 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | dad01f93f432d4a2456860f7f55fdb762d2982a4 (diff) | |
| download | linux-e095026f0066eca05268b20a6f378cf31bedc54b.tar.gz linux-e095026f0066eca05268b20a6f378cf31bedc54b.tar.bz2 linux-e095026f0066eca05268b20a6f378cf31bedc54b.zip | |
drm/amdgpu: validate suspend before function call
Before making a function call to suspend, validate
the function pointer like we do in sw_init.
Use the helper function amdgpu_ip_block_suspend where
same checks and calls are repeated.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e64b77f065c2..71ee1e43dfe9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -272,6 +272,24 @@ void amdgpu_reg_state_sysfs_fini(struct amdgpu_device *adev) sysfs_remove_bin_file(&adev->dev->kobj, &bin_attr_reg_state); } +int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block) +{ + int r; + + if (ip_block->version->funcs->suspend) { + r = ip_block->version->funcs->suspend(ip_block); + if (r) { + dev_err(ip_block->adev->dev, + "suspend of IP block <%s> failed %d\n", + ip_block->version->funcs->name, r); + return r; + } + } + + ip_block->status.hw = false; + return 0; +} + /** * DOC: board_info * @@ -3473,15 +3491,9 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) continue; /* XXX handle errors */ - r = adev->ip_blocks[i].version->funcs->suspend(&adev->ip_blocks[i]); - /* XXX handle errors */ - if (r) { - DRM_ERROR("suspend of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + r = amdgpu_ip_block_suspend(&adev->ip_blocks[i]); + if (r) return r; - } - - adev->ip_blocks[i].status.hw = false; } return 0; @@ -3555,13 +3567,9 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) continue; /* XXX handle errors */ - r = adev->ip_blocks[i].version->funcs->suspend(&adev->ip_blocks[i]); - /* XXX handle errors */ - if (r) { - DRM_ERROR("suspend of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - } + r = amdgpu_ip_block_suspend(&adev->ip_blocks[i]); adev->ip_blocks[i].status.hw = false; + /* handle putting the SMC in the appropriate state */ if (!amdgpu_sriov_vf(adev)) { if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { |