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>,
        "Lijo Lazar" <lijo.lazar@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>, David Airlie <airlied@linux.ie>
Subject: [PATCH v7 31/45] drm/amd: Use `amdgpu_ucode_*` helpers for GFX8
Date:   Thu, 5 Jan 2023 11:01:17 -0600
Message-ID: <20230105170138.717-32-mario.limonciello@amd.com>
In-Reply-To: <20230105170138.717-1-mario.limonciello@amd.com>
References: <20230105170138.717-1-mario.limonciello@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jan 2023 17:02:42.3115
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: ae112f0b-42c4-4413-d5f7-08daef3ea8b1
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: BN8NAM11FT079.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4301
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 is for symmetry on unloading.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@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_v8_0.c | 94 ++++++++++-----------------
 1 file changed, 33 insertions(+), 61 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index d47135606e3e..04577e5234ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -924,20 +924,14 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 
 static void gfx_v8_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.ce_fw);
-	adev->gfx.ce_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.ce_fw);
+	amdgpu_ucode_release(&adev->gfx.rlc_fw);
+	amdgpu_ucode_release(&adev->gfx.mec_fw);
 	if ((adev->asic_type != CHIP_STONEY) &&
 	    (adev->asic_type != CHIP_TOPAZ))
-		release_firmware(adev->gfx.mec2_fw);
-	adev->gfx.mec2_fw = NULL;
+		amdgpu_ucode_release(&adev->gfx.mec2_fw);
 
 	kfree(adev->gfx.rlc.register_list_format);
 }
@@ -989,18 +983,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", chip_name);
-			err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", chip_name);
-		err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data;
@@ -1009,18 +1000,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name);
-			err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name);
-		err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.me_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data;
@@ -1030,18 +1018,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name);
-			err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name);
-		err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.ce_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data;
@@ -1060,10 +1045,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 		adev->virt.chained_ib_support = false;
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
-	err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
+	err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw, fw_name);
 	if (err)
 		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
 	rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
 	adev->gfx.rlc_fw_version = le32_to_cpu(rlc_hdr->header.ucode_version);
 	adev->gfx.rlc_feature_version = le32_to_cpu(rlc_hdr->ucode_feature_version);
@@ -1110,18 +1094,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
-			err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
-		err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.mec_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
@@ -1132,19 +1113,16 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 	    (adev->asic_type != CHIP_TOPAZ)) {
 		if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2_2.bin", chip_name);
-			err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
-			if (err == -ENOENT) {
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
+			if (err == -ENODEV) {
 				snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name);
-				err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
+				err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
 			}
 		} else {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name);
-			err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
 		}
 		if (!err) {
-			err = amdgpu_ucode_validate(adev->gfx.mec2_fw);
-			if (err)
-				goto out;
 			cp_hdr = (const struct gfx_firmware_header_v1_0 *)
 				adev->gfx.mec2_fw->data;
 			adev->gfx.mec2_fw_version =
@@ -1219,18 +1197,12 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 		dev_err(adev->dev,
 			"gfx8: Failed to load 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.ce_fw);
-		adev->gfx.ce_fw = NULL;
-		release_firmware(adev->gfx.rlc_fw);
-		adev->gfx.rlc_fw = NULL;
-		release_firmware(adev->gfx.mec_fw);
-		adev->gfx.mec_fw = NULL;
-		release_firmware(adev->gfx.mec2_fw);
-		adev->gfx.mec2_fw = NULL;
+		amdgpu_ucode_release(&adev->gfx.pfp_fw);
+		amdgpu_ucode_release(&adev->gfx.me_fw);
+		amdgpu_ucode_release(&adev->gfx.ce_fw);
+		amdgpu_ucode_release(&adev->gfx.rlc_fw);
+		amdgpu_ucode_release(&adev->gfx.mec_fw);
+		amdgpu_ucode_release(&adev->gfx.mec2_fw);
 	}
 	return err;
 }
-- 
2.34.1