DSS clock warnings appear during suspend/resume when HDMI is connected

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    • Type: Bug
    • Resolution: Fixed
    • Priority: High
    • Linux Core SDK
    • LCPD-44699
    • 11.00
    • 11.01
    • am62lxx_evm-fs

      When HDMI is connected to AM62L and it enters DeepSleep the following warnings about the DSS clock appear. The display still works after suspend/resume. The following warnings happen during the suspend path.

      [   47.260377] 5_DSS_DSI0 already disabled
      [   47.260433] WARNING: CPU: 0 PID: 956 at /drivers/clk/clk.c:1200 clk_core_disable+0xa4/0xac
      [   47.260461] Modules linked in: snd_soc_hdmi_codec ti_am335x_adc kfifo_buf m_can_platform snd_soc_simple_card m_can crct10dif_ce snd_soc_simple_card_utils display_connector k3_j72xx_bandg6
      [   47.260592] CPU: 0 UID: 0 PID: 956 Comm: sh Tainted: G           O       6.12.13-ti-g1a2d611ee02d #1
      [   47.260603] Tainted: [O]=OOT_MODULE
      [   47.260607] Hardware name: Texas Instruments AM62L3 Evaluation Module (DT)
      ...
      [   47.262038] 2_DSS_DSI0 already unprepared
      [   47.262067] WARNING: CPU: 0 PID: 956 at /drivers/clk/clk.c:1059 clk_core_unprepare+0xf0/0x110
      [   47.262080] Modules linked in: snd_soc_hdmi_codec ti_am335x_adc kfifo_buf m_can_platform snd_soc_simple_card m_can crct10dif_ce snd_soc_simple_card_utils display_connector k3_j72xx_bandg6
      [   47.262184] CPU: 0 UID: 0 PID: 956 Comm: sh Tainted: G        W  O       6.12.13-ti-g1a2d611ee02d #1
      [   47.262193] Tainted: [W]=WARN, [O]=OOT_MODULE
      [   47.262196] Hardware name: Texas Instruments AM62L3 Evaluation Module (DT) 

      Fixed by:
      https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/commit/?h=ti-linux-6.12.y&id=3899b7400557eac10f7c8a832229016230e112a3
      https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/commit/?h=ti-linux-6.12.y&id=f37e5ce7bf67c2c26bdcb2c1f57f97251ddecbdf

            Assignee:
            TI User
            Reporter:
            TI User
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            Watchers:
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              Created:
              Updated:
              Resolved:

                Connection: Intermediate to External PROD System
                EXTSYNC-6048 - DSS clock warnings appear during su...
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