Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C
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 18/45] drm/amd: Use `amdgpu_ucode_*` helpers for GFX11
Date:   Wed, 4 Jan 2023 21:42:52 -0600
Message-ID: <20230105034327.1439-19-mario.limonciello@amd.com>
In-Reply-To: <20230105034327.1439-1-mario.limonciello@amd.com>
References: <20230105034327.1439-1-mario.limonciello@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jan 2023 03:44:25.6089
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: cbbb6a22-4d63-46a8-030f-08daeecf2409
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT065.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6979
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,
        RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham
        autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

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 will provide symmetery on unload.

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/gfx_v11_0.c | 104 +++++++++----------------
 drivers/gpu/drm/amd/amdgpu/imu_v11_0.c |   7 +-
 2 files changed, 39 insertions(+), 72 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index a56c6e106d00..d4f67624d05b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -431,18 +431,39 @@ static int gfx_v11_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 
 static void gfx_v11_0_free_microcode(struct amdgpu_device *adev)
 {
-	release_firmware(adev->gfx.pfp_fw);
-	adev->gfx.pfp_fw = NULL;
-	release_firmware(adev->gfx.me_fw);
-	adev->gfx.me_fw = NULL;
-	release_firmware(adev->gfx.rlc_fw);
-	adev->gfx.rlc_fw = NULL;
-	release_firmware(adev->gfx.mec_fw);
-	adev->gfx.mec_fw = NULL;
+	amdgpu_ucode_release(&adev->gfx.pfp_fw);
+	amdgpu_ucode_release(&adev->gfx.me_fw);
+	amdgpu_ucode_release(&adev->gfx.rlc_fw);
+	amdgpu_ucode_release(&adev->gfx.mec_fw);
 
 	kfree(adev->gfx.rlc.register_list_format);
 }
 
+static int gfx_v11_0_init_toc_microcode(struct amdgpu_device *adev)
+{
+	const struct psp_firmware_header_v1_0 *toc_hdr;
+	int err = 0;
+	char fw_name[40];
+	char ucode_prefix[30];
+
+	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", ucode_prefix);
+	err = amdgpu_ucode_request(adev, &adev->psp.toc_fw, fw_name);
+	if (err)
+		goto out;
+
+	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
+	adev->psp.toc.fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
+	adev->psp.toc.feature_version = le32_to_cpu(toc_hdr->sos.fw_version);
+	adev->psp.toc.size_bytes = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
+	adev->psp.toc.start_addr = (uint8_t *)toc_hdr +
+				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
+	return 0;
+out:
+	amdgpu_ucode_release(&adev->psp.toc_fw);
+	return err;
+}
+
 static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 {
 	char fw_name[40];
@@ -457,10 +478,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
 	if (err)
 		goto out;
 	/* check pfp fw hdr version to decide if enable rs64 for gfx11.*/
@@ -477,10 +495,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 	}
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.me_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
 	if (err)
 		goto out;
 	if (adev->gfx.rs64_enable) {
@@ -493,10 +508,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 
 	if (!amdgpu_sriov_vf(adev)) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", ucode_prefix);
-		err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
-		if (err)
-			goto out;
-		err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
+		err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw, fw_name);
 		if (err)
 			goto out;
 		rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
@@ -508,10 +520,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 	}
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.mec_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
 	if (err)
 		goto out;
 	if (adev->gfx.rs64_enable) {
@@ -530,54 +539,15 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 
 out:
 	if (err) {
-		dev_err(adev->dev,
-			"gfx11: Failed to init firmware \"%s\"\n",
-			fw_name);
-		release_firmware(adev->gfx.pfp_fw);
-		adev->gfx.pfp_fw = NULL;
-		release_firmware(adev->gfx.me_fw);
-		adev->gfx.me_fw = NULL;
-		release_firmware(adev->gfx.rlc_fw);
-		adev->gfx.rlc_fw = NULL;
-		release_firmware(adev->gfx.mec_fw);
-		adev->gfx.mec_fw = NULL;
+		amdgpu_ucode_release(&adev->gfx.pfp_fw);
+		amdgpu_ucode_release(&adev->gfx.me_fw);
+		amdgpu_ucode_release(&adev->gfx.rlc_fw);
+		amdgpu_ucode_release(&adev->gfx.mec_fw);
 	}
 
 	return err;
 }
 
-static int gfx_v11_0_init_toc_microcode(struct amdgpu_device *adev)
-{
-	const struct psp_firmware_header_v1_0 *toc_hdr;
-	int err = 0;
-	char fw_name[40];
-	char ucode_prefix[30];
-
-	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", ucode_prefix);
-	err = request_firmware(&adev->psp.toc_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-
-	err = amdgpu_ucode_validate(adev->psp.toc_fw);
-	if (err)
-		goto out;
-
-	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
-	adev->psp.toc.fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
-	adev->psp.toc.feature_version = le32_to_cpu(toc_hdr->sos.fw_version);
-	adev->psp.toc.size_bytes = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
-	adev->psp.toc.start_addr = (uint8_t *)toc_hdr +
-				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
-	return 0;
-out:
-	dev_err(adev->dev, "Failed to load TOC microcode\n");
-	release_firmware(adev->psp.toc_fw);
-	adev->psp.toc_fw = NULL;
-	return err;
-}
-
 static u32 gfx_v11_0_get_csb_size(struct amdgpu_device *adev)
 {
 	u32 count = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c b/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
index 95548c512f4f..ed0d368149aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
@@ -49,10 +49,7 @@ static int imu_v11_0_init_microcode(struct amdgpu_device *adev)
 	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_imu.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.imu_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.imu_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.imu_fw, fw_name);
 	if (err)
 		goto out;
 	imu_hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data;
@@ -77,7 +74,7 @@ static int imu_v11_0_init_microcode(struct amdgpu_device *adev)
 		dev_err(adev->dev,
 			"gfx11: Failed to load firmware \"%s\"\n",
 			fw_name);
-		release_firmware(adev->gfx.imu_fw);
+		amdgpu_ucode_release(&adev->gfx.imu_fw);
 	}
 
 	return err;
-- 
2.34.1