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From:   Mario Limonciello <mario.limonciello@amd.com>
To:     Alex Deucher <alexander.deucher@amd.com>,
        <linux-kernel@vger.kernel.org>
CC:     Javier Martinez Canillas <javierm@redhat.com>,
        Carlos Soriano Sanchez <csoriano@redhat.com>,
        <amd-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>,
        David Airlie <airlied@gmail.com>,
        "Daniel Vetter" <daniel@ffwll.ch>, <christian.koenig@amd.com>,
        Lazar Lijo <Lijo.Lazar@amd.com>,
        Mario Limonciello <mario.limonciello@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>
Subject: [PATCH v6 34/45] drm/amd: Use `amdgpu_ucode_*` helpers for GMC8
Date:   Wed, 4 Jan 2023 21:43:08 -0600
Message-ID: <20230105034327.1439-35-mario.limonciello@amd.com>
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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