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drm/amdgpu: Prevent hardware access in dpc state

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Don't allow hardware access while in dpc state.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Ce Sun <cesun102@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2025-07-24 13:05:12 +05:30
committed by Alex Deucher
parent 1a0e57eb96
commit 892bac995b
2 changed files with 1 additions and 4 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -6256,11 +6256,7 @@ static int amdgpu_device_asic_reset(struct amdgpu_device *adev,
retry: /* Rest of adevs pre asic reset from XGMI hive. */
list_for_each_entry(tmp_adev, device_list, reset_list) {
if (amdgpu_reset_in_dpc(adev))
tmp_adev->no_hw_access = true;
r = amdgpu_device_pre_asic_reset(tmp_adev, reset_context);
if (amdgpu_reset_in_dpc(adev))
tmp_adev->no_hw_access = false;
/*TODO Should we stop ?*/
if (r) {
dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ",