[V2 2/8] drm/amdgpu: revise the device initialization sequences
Evan Quan
evan.quan at amd.com
Wed Aug 23 06:34:00 UTC 2023
By placing the sysfs interfaces creation after `.late_int`. Since some
operations performed during `.late_init` may affect how the sysfs
interfaces should be created.
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 37 ++++++++++++----------
1 file changed, 21 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7aae2801b36e..92db80089cf4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3861,22 +3861,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
/* Get a log2 for easy divisions. */
adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps));
- r = amdgpu_atombios_sysfs_init(adev);
- if (r)
- drm_err(&adev->ddev,
- "registering atombios sysfs failed (%d).\n", r);
-
- r = amdgpu_pm_sysfs_init(adev);
- if (r)
- DRM_ERROR("registering pm sysfs failed (%d).\n", r);
-
- r = amdgpu_ucode_sysfs_init(adev);
- if (r) {
- adev->ucode_sysfs_en = false;
- DRM_ERROR("Creating firmware sysfs failed (%d).\n", r);
- } else
- adev->ucode_sysfs_en = true;
-
/*
* Register gpu instance before amdgpu_device_enable_mgpu_fan_boost.
* Otherwise the mgpu fan boost feature will be skipped due to the
@@ -3905,6 +3889,27 @@ int amdgpu_device_init(struct amdgpu_device *adev,
flush_delayed_work(&adev->delayed_init_work);
}
+ /*
+ * Place those sysfs registering after `late_init`. As some of those
+ * operations performed in `late_init` might affect the sysfs
+ * interfaces creating.
+ */
+ r = amdgpu_atombios_sysfs_init(adev);
+ if (r)
+ drm_err(&adev->ddev,
+ "registering atombios sysfs failed (%d).\n", r);
+
+ r = amdgpu_pm_sysfs_init(adev);
+ if (r)
+ DRM_ERROR("registering pm sysfs failed (%d).\n", r);
+
+ r = amdgpu_ucode_sysfs_init(adev);
+ if (r) {
+ adev->ucode_sysfs_en = false;
+ DRM_ERROR("Creating firmware sysfs failed (%d).\n", r);
+ } else
+ adev->ucode_sysfs_en = true;
+
r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes);
if (r)
dev_err(adev->dev, "Could not create amdgpu device attr\n");
--
2.34.1
More information about the amd-gfx
mailing list