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x-microsoft-antispam-message-info: 8jRHq8Yfiw1MXDm+NPmzvwm9/5p5gWigiBjr+/LWwLEpCIFSjEU+NZiQkkQJohHlsLYv7xcrqPKB7uVuhWQ+AQ== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 478557a8-88c7-427a-ed7f-08d562e12f93 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Jan 2018 04:15:10.4364 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1078 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann [ Upstream commit 499ec0ed5eb2f6a7fcaab2dd66ffc5993484bda9 ] The new backlight code causes a link failure when backlight support itself is disabled: drivers/gpu/drm/omapdrm/displays/panel-dpi.o: In function `panel_dpi_probe_of': panel-dpi.c:(.text+0x35c): undefined reference to `of_find_backlight_by_node' This adds a Kconfig dependency like we have for the other OMAP display targets. Fixes: 39135a305a0f ("drm/omap: displays: panel-dpi: Support for handling backlight devices") Signed-off-by: Arnd Bergmann Signed-off-by: Tomi Valkeinen Signed-off-by: Sasha Levin --- drivers/gpu/drm/omapdrm/displays/Kconfig | 1 + 1 file changed, 1 insertion(+) -- 2.11.0 diff --git a/drivers/gpu/drm/omapdrm/displays/Kconfig b/drivers/gpu/drm/omapdrm/displays/Kconfig index c226da145fb3..a349cb61961e 100644 --- a/drivers/gpu/drm/omapdrm/displays/Kconfig +++ b/drivers/gpu/drm/omapdrm/displays/Kconfig @@ -35,6 +35,7 @@ config DRM_OMAP_CONNECTOR_ANALOG_TV config DRM_OMAP_PANEL_DPI tristate "Generic DPI panel" + depends on BACKLIGHT_CLASS_DEVICE help Driver for generic DPI panels.