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drm/amdgpu: validate hw_fini before function call

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Before making a function call to hw_fini, validate
the function pointer like we do in sw_init.

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>
This commit is contained in:
Sunil Khatri 2024-10-09 18:06:57 +05:30 • committed by Alex Deucher
parent 8834456163
commit dad01f93f4
1 changed files with 22 additions and 16 deletions
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38
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -3269,6 +3269,25 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
return 0; return 0;
} }
static void amdgpu_ip_block_hw_fini(struct amdgpu_ip_block *ip_block)
{
int r;
if (ip_block->version->funcs->hw_fini) {
DRM_ERROR("hw_fini of IP block <%s> not defined\n",
ip_block->version->funcs->name);
} else {
r = ip_block->version->funcs->hw_fini(ip_block);
/* XXX handle errors */
if (r) {
DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
ip_block->version->funcs->name, r);
}
}
ip_block->status.hw = false;
}
/** /**
* amdgpu_device_smu_fini_early - smu hw_fini wrapper * amdgpu_device_smu_fini_early - smu hw_fini wrapper
* *
@ -3278,7 +3297,7 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
*/ */
static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev) static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev)
{ {
int i, r; int i;
if (amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0)) if (amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0))
return; return;
@ -3287,13 +3306,7 @@ static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev)
if (!adev->ip_blocks[i].status.hw) if (!adev->ip_blocks[i].status.hw)
continue; continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
r = adev->ip_blocks[i].version->funcs->hw_fini(&adev->ip_blocks[i]); amdgpu_ip_block_hw_fini(&adev->ip_blocks[i]);
/* XXX handle errors */
if (r) {
DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
adev->ip_blocks[i].version->funcs->name, r);
}
adev->ip_blocks[i].status.hw = false;
break; break;
} }
} }
@ -3326,14 +3339,7 @@ static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev)
if (!adev->ip_blocks[i].status.hw) if (!adev->ip_blocks[i].status.hw)
continue; continue;
r = adev->ip_blocks[i].version->funcs->hw_fini(&adev->ip_blocks[i]); amdgpu_ip_block_hw_fini(&adev->ip_blocks[i]);
/* XXX handle errors */
if (r) {
DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
adev->ip_blocks[i].version->funcs->name, r);
}
adev->ip_blocks[i].status.hw = false;
} }
if (amdgpu_sriov_vf(adev)) { if (amdgpu_sriov_vf(adev)) {