[PATCH v6 34/45] drm/amd: Use `amdgpu_ucode_*` helpers for GMC8

Mario Limonciello
2023-01-05T03:47:28Z

The `amdgpu_ucode_request` helper will ensure that the return code for
missing firmware is -ENODEV so that early_init can fail.

The `amdgpu_ucode_release` helper is for symmetry on unloading.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
v5->v6:
* Adjust for amdgpu_ucode_release argument change
---
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 382dde1ce74c..561daac2e6f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -264,16 +264,10 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
}

snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
- err = request_firmware(&adev->gmc.fw, fw_name, adev->dev);
- if (err)
- goto out;
- err = amdgpu_ucode_validate(adev->gmc.fw);
-
-out:
+ err = amdgpu_ucode_request(adev, &adev->gmc.fw, fw_name);
if (err) {
pr_err("mc: Failed to load firmware \"%s\"\n", fw_name);
- release_firmware(adev->gmc.fw);
- adev->gmc.fw = NULL;
+ amdgpu_ucode_release(&adev->gmc.fw);
}
return err;
}
@@ -1203,8 +1197,7 @@ static int gmc_v8_0_sw_fini(void *handle)
kfree(adev->gmc.vm_fault_info);
amdgpu_gart_table_vram_free(adev);
amdgpu_bo_fini(adev);
- release_firmware(adev->gmc.fw);
- adev->gmc.fw = NULL;
+ amdgpu_ucode_release(&adev->gmc.fw);

return 0;
}
--
2.34.1