linux-kernel - [PATCH v6 40/45] 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: <20230105034327.1439-41-mario.limonciello@amd.com>
Date:   Wed, 4 Jan 2023 21:43:14 -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 v6 40/45] drm/amd: Use `amdgpu_ucode_*` helpers for CGS

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@....com>
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
v5->v6:
 * Adjust for amdgpu_ucode_release argument change
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index f1a050379190..456e385333b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -411,17 +411,10 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 				return -EINVAL;
 			}
 
-			err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
-			if (err) {
-				DRM_ERROR("Failed to request firmware\n");
-				return err;
-			}
-
-			err = amdgpu_ucode_validate(adev->pm.fw);
+			err = amdgpu_ucode_request(adev, &adev->pm.fw, fw_name);
 			if (err) {
 				DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
-				release_firmware(adev->pm.fw);
-				adev->pm.fw = NULL;
+				amdgpu_ucode_release(&adev->pm.fw);
 				return err;
 			}
 
-- 
2.34.1