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器件型号：AM5728 主题中讨论的其他器件：TPD12S015
工具与软件：
您好！
我将在使用 SDK 9.3.6.5与 am57xx-EVM 启动时收到以下内核警告。
[ 9.783416] omapdrm omapdrm.0: [drm] fb0: omapdrmdrmfb frame buffer device [ 9.954925] ------------[ cut here ]------------ [ 9.959594] WARNING: CPU: 0 PID: 142 at drivers/gpu/drm/drm_bridge.c:1416 drm_bridge_hpd_enable+0x7c/0x80 [ 9.969268] Hot plug detection already enabled [ 9.973724] Modules linked in: omapdrm(+) snd_soc_simple_card snd_soc_simple_card_utils pwm_fan cec omap_aes_driver libaes icss_iep ahci_dwc omap_wdt omap_hwspinlock ti_vpe ti_vip ti_sc ti_csc v4l2_mem2mem ti_vpdma videobuf2_dma_contig v4l2_fwnode v4l2_async videobuf2_memops videobuf2_v4l2 videobuf2_common videodev dwc3_omap mc rtc_omap snd_soc_davinci_mcasp snd_soc_ti_udma snd_soc_ti_edma snd_soc_ti_sdma pwm_tiehrpwm omap_des omap_crypto libdes snd_soc_tlv320aic3x_i2c snd_soc_tlv320aic3x snd_soc_core snd_pcm_dmaengine ac97_bus snd_pcm snd_timer snd extcon_palmas soundcore omap_sham crypto_engine omap_remoteproc display_connector ti_tpd12s015 cryptodev(O) [ 10.032348] CPU: 0 PID: 142 Comm: systemd-udevd Tainted: G O 6.1.119-ti-ge4e8b16e66f5 #1 [ 10.041870] Hardware name: Generic DRA74X (Flattened Device Tree) [ 10.048004] unwind_backtrace from show_stack+0x10/0x14 [ 10.053283] show_stack from dump_stack_lvl+0x40/0x4c [ 10.058349] dump_stack_lvl from __warn+0x7c/0x158 [ 10.063171] __warn from warn_slowpath_fmt+0x124/0x1c0 [ 10.068359] warn_slowpath_fmt from drm_bridge_hpd_enable+0x7c/0x80 [ 10.074676] drm_bridge_hpd_enable from pdev_probe+0x5e8/0x788 [omapdrm] [ 10.081512] pdev_probe [omapdrm] from platform_probe+0x5c/0xbc [ 10.087554] platform_probe from really_probe+0xc8/0x2ec [ 10.092895] really_probe from __driver_probe_device+0x88/0x1a0 [ 10.098846] __driver_probe_device from driver_probe_device+0x30/0x104 [ 10.105407] driver_probe_device from __driver_attach+0x90/0x174 [ 10.111450] __driver_attach from bus_for_each_dev+0x74/0xc0 [ 10.117156] bus_for_each_dev from bus_add_driver+0x164/0x1f0 [ 10.122924] bus_add_driver from driver_register+0x88/0x11c [ 10.128509] driver_register from __platform_register_drivers+0x38/0x88 [ 10.135162] __platform_register_drivers from omap_drm_init+0x3c/0x50 [omapdrm] [ 10.142639] omap_drm_init [omapdrm] from do_one_initcall+0x48/0x254 [ 10.149108] do_one_initcall from do_init_module+0x44/0x1d4 [ 10.154724] do_init_module from sys_finit_module+0xc0/0x110 [ 10.160430] sys_finit_module from __sys_trace_return+0x0/0x10 [ 10.166290] Exception stack(0xf1e8dfa8 to 0xf1e8dff0) [ 10.171356] dfa0: 00000000 00000000 00000011 b6daa878 00000000 00020000 [ 10.179595] dfc0: 00000000 00000000 00000000 0000017b 00000000 00092450 00000007 00000000 [ 10.187805] dfe0: bea21710 bea21700 b6da5d2f b6cdb052 [ 10.192962] ---[ end trace 0000000000000000 ]--- [ 10.475341] [drm] Initialized omapdrm 1.0.0 20110917 for omapdrm.0 on minor 0
它似乎没有任何负面影响(尚未)。 是否还有其他东西(omapdrm 除外)在 OMAP 之前设置 GPU？
谢谢！
Nathan
