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Thu, 22 Dec 2022 12:30:37 -0600 From: Mario Limonciello To: Javier Martinez Canillas , Alex Deucher , CC: Carlos Soriano Sanchez , , , "David Airlie" , Daniel Vetter , , Mario Limonciello , "Pan, Xinhui" Subject: [PATCH 2/2] drm/amd: Re-create firmware framebuffer on failure to probe Date: Thu, 22 Dec 2022 12:30:11 -0600 Message-ID: <20221222183012.1046-3-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221222183012.1046-1-mario.limonciello@amd.com> References: <20221222183012.1046-1-mario.limonciello@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT012:EE_|SN7PR12MB7855:EE_ X-MS-Office365-Filtering-Correlation-Id: 63a68fb0-c963-42f2-4c2d-08dae44aa012 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Dec 2022 18:30:38.8894 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 63a68fb0-c963-42f2-4c2d-08dae44aa012 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: CO1NAM11FT012.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7855 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: X-Mailing-List: linux-kernel@vger.kernel.org If the probe sequence fails then the user is stuck with a frozen screen and can only really recover via SSH or by rebooting and applying nomodeset to the kernel command line. This is particularly problematic as newer GPUs are introduced because distributions may take some time to land newer GPU firmware. So when probe fails, re-create the system framebuffer so that the user at least has basic graphics support. Signed-off-by: Mario Limonciello --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index bf2d50c8c92a..8961c62ab29b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -40,6 +40,7 @@ #include #include #include +#include #include "amdgpu.h" #include "amdgpu_irq.h" @@ -2187,6 +2188,7 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, err_pci: pci_disable_device(pdev); + sysfb_enable(); return ret; } -- 2.34.1