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[0/3] media: Support runtime PM and system sleep for TI-CSI2RX

Message ID 20250224-ti_csi_pm-v1-0-8f8c29ef646d@ideasonboard.com (mailing list archive)
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Series media: Support runtime PM and system sleep for TI-CSI2RX | expand

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Jai Luthra Feb. 24, 2025, 1:35 p.m. UTC 
This series adds support for runtime power management and system sleep
for the TI (J721E) CSI2RX pipeline.

Some basic testing with suspend-to-idle mode has been performed to
ensure that any ongoing stream resumes smoothly after wakeup. More
testing with suspend-to-memory mode will be done later, as I need to
update the device management boot firmware, which supports newer APIs
used by the mainline kernel.

I have picked PATCH 1/3 from Changhuang's earlier series [1] with minor
modifications.

Link: https://lore.kernel.org/linux-media/20240718032834.53876-1-changhuang.liang@starfivetech.com/ [1]

Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
---
Changhuang Liang (1):
      media: cadence: csi2rx: Support runtime PM

Jai Luthra (2):
      media: ti: j721e-csi2rx: Support runtime suspend
      media: ti: j721e-csi2rx: Support system suspend using pm_notifier

 drivers/media/platform/cadence/Kconfig             |   1 +
 drivers/media/platform/cadence/cdns-csi2rx.c       | 121 +++++++++-----
 drivers/media/platform/ti/Kconfig                  |   1 +
 .../media/platform/ti/j721e-csi2rx/j721e-csi2rx.c  | 180 +++++++++++++++++++--
 4 files changed, 252 insertions(+), 51 deletions(-)
---
base-commit: d082ecbc71e9e0bf49883ee4afd435a77a5101b6
change-id: 20250224-ti_csi_pm-24808b2b445c

Best regards,