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Wysocki" , Hans de Goede CC: "open list:ACPI" , open list , "open list:DRM DRIVERS" , Melissa Wen , "Mark Pearson" , Mario Limonciello Subject: [PATCH v2 4/4] drm/nouveau: Use drm_get_acpi_edid() helper Date: Tue, 30 Jan 2024 13:26:08 -0600 Message-ID: <20240130192608.11666-5-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240130192608.11666-1-mario.limonciello@amd.com> References: <20240130192608.11666-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000971E7:EE_|SJ2PR12MB7823:EE_ X-MS-Office365-Filtering-Correlation-Id: 8cb3eb7d-1312-4a82-b5d1-08dc21c96311 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(4636009)(39860400002)(396003)(376002)(136003)(346002)(230922051799003)(451199024)(82310400011)(186009)(1800799012)(64100799003)(46966006)(40470700004)(36840700001)(426003)(16526019)(1076003)(41300700001)(2616005)(336012)(26005)(40460700003)(40480700001)(316002)(6666004)(54906003)(36756003)(110136005)(7696005)(36860700001)(83380400001)(478600001)(47076005)(356005)(82740400003)(81166007)(70586007)(8936002)(86362001)(2906002)(44832011)(4326008)(70206006)(5660300002)(8676002)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jan 2024 19:26:41.1672 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8cb3eb7d-1312-4a82-b5d1-08dc21c96311 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: MWH0EPF000971E7.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB7823 Rather than inventing a wrapper to acpi_video_get_edid() use the one provided by drm. This fixes two problems: 1. A memory leak that the memory provided by the ACPI call was never freed. 2. Validation of the BIOS provided blob. Signed-off-by: Mario Limonciello --- v1->v2: * New patch --- drivers/gpu/drm/nouveau/nouveau_acpi.c | 27 --------------------- drivers/gpu/drm/nouveau/nouveau_acpi.h | 2 -- drivers/gpu/drm/nouveau/nouveau_connector.c | 2 +- 3 files changed, 1 insertion(+), 30 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 8f0c69aad248..de9daafb3fbb 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -360,33 +360,6 @@ void nouveau_unregister_dsm_handler(void) {} void nouveau_switcheroo_optimus_dsm(void) {} #endif -void * -nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) -{ - struct acpi_device *acpidev; - int type, ret; - void *edid; - - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_LVDS: - case DRM_MODE_CONNECTOR_eDP: - type = ACPI_VIDEO_DISPLAY_LCD; - break; - default: - return NULL; - } - - acpidev = ACPI_COMPANION(dev->dev); - if (!acpidev) - return NULL; - - ret = acpi_video_get_edid(acpidev, type, -1, &edid); - if (ret < 0) - return NULL; - - return kmemdup(edid, EDID_LENGTH, GFP_KERNEL); -} - bool nouveau_acpi_video_backlight_use_native(void) { return acpi_video_backlight_use_native(); diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.h b/drivers/gpu/drm/nouveau/nouveau_acpi.h index e39dd8b94b8b..6a3def8e6cca 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.h +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.h @@ -10,7 +10,6 @@ bool nouveau_is_v1_dsm(void); void nouveau_register_dsm_handler(void); void nouveau_unregister_dsm_handler(void); void nouveau_switcheroo_optimus_dsm(void); -void *nouveau_acpi_edid(struct drm_device *, struct drm_connector *); bool nouveau_acpi_video_backlight_use_native(void); void nouveau_acpi_video_register_backlight(void); #else @@ -19,7 +18,6 @@ static inline bool nouveau_is_v1_dsm(void) { return false; }; static inline void nouveau_register_dsm_handler(void) {} static inline void nouveau_unregister_dsm_handler(void) {} static inline void nouveau_switcheroo_optimus_dsm(void) {} -static inline void *nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return NULL; } static inline bool nouveau_acpi_video_backlight_use_native(void) { return true; } static inline void nouveau_acpi_video_register_backlight(void) {} #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 856b3ef5edb8..746571d4cac0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -713,7 +713,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * valid - it's not (rh#613284) */ if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { - edid = nouveau_acpi_edid(dev, connector); + edid = drm_get_acpi_edid(connector); if (edid) { status = connector_status_connected; goto out;