linux-kernel - [PATCH v5 09/45] drm/amd: Use `amdgpu_ucode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230104164042.30271-10-mario.limonciello@amd.com>
Date:   Wed, 4 Jan 2023 10:39:58 -0600
From:   Mario Limonciello <mario.limonciello@....com>
To:     Alex Deucher <alexander.deucher@....com>,
        <linux-kernel@...r.kernel.org>
CC:     Javier Martinez Canillas <javierm@...hat.com>,
        Carlos Soriano Sanchez <csoriano@...hat.com>,
        <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
        David Airlie <airlied@...il.com>,
        "Daniel Vetter" <daniel@...ll.ch>, <christian.koenig@....com>,
        Lazar Lijo <Lijo.Lazar@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>
Subject: [PATCH v5 09/45] drm/amd: Use `amdgpu_ucode_*` helpers for VCN

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.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index a23e26b272b4..b5692f825589 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -206,19 +206,9 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 		return -EINVAL;
 	}
 
-	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
+	r = amdgpu_ucode_request(adev, &adev->vcn.fw, fw_name);
 	if (r) {
-		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
-			fw_name);
-		return r;
-	}
-
-	r = amdgpu_ucode_validate(adev->vcn.fw);
-	if (r) {
-		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
-			fw_name);
-		release_firmware(adev->vcn.fw);
-		adev->vcn.fw = NULL;
+		amdgpu_ucode_release(adev->vcn.fw);
 		return r;
 	}
 
@@ -333,7 +323,7 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
 			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
 	}
 
-	release_firmware(adev->vcn.fw);
+	amdgpu_ucode_release(adev->vcn.fw);
 	mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
 	mutex_destroy(&adev->vcn.vcn_pg_lock);
 
-- 
2.34.1