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

[Mario Limonciello]

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.deuc...@amd.com>
Signed-off-by: Mario Limonciello <mario.limoncie...@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