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Device tree updates for DCP runtime PM support #105

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merged 12 commits into from
Jan 22, 2023

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@jannau jannau commented Jan 22, 2023

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jannau and others added 12 commits January 22, 2023 15:24
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
…ce tree nodes

Signed-off-by: Janne Grunau <j@jannau.net>
… nodes

Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Hector Martin <marcan@marcan.st>
Removes the "apple,always-on" property from ps_disp0_fe.

Signed-off-by: Janne Grunau <j@jannau.net>
Moves "apple,always-on" property to ps_disp0_cpu0. To be removed by DCP
after initialization.

Signed-off-by: Janne Grunau <j@jannau.net>
AGX' ASC crashes shortly after ps_pmp is powered down due to dcp
runtime PM suspend.

Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
@jannau jannau force-pushed the bits/000-devicetree branch from 2a05202 to da8202d Compare January 22, 2023 14:24
@marcan marcan merged commit 3a72d51 into AsahiLinux:bits/000-devicetree Jan 22, 2023
marcan pushed a commit that referenced this pull request Apr 24, 2023
Broadcom 4377 controllers found in Apple x86 Macs with the T2 chip
claim to support extended scanning when querying supported states,

< HCI Command: LE Read Supported St.. (0x08|0x001c) plen 0  #27 [hci0] 2.971839
> HCI Event: Command Complete (0x0e) plen 12                #28 [hci0] 2.972730
      LE Read Supported States (0x08|0x001c) ncmd 1
        Status: Success (0x00)
        States: 0x000003ffffffffff
[...]
          LE Set Extended Scan Parameters (Octet 37 - Bit 5)
          LE Set Extended Scan Enable (Octet 37 - Bit 6)
[...]

, but then fail to actually implement the extended scanning:

< HCI Command: LE Set Extended Sca.. (0x08|0x0041) plen 8  #105 [hci0] 5.460776
        Own address type: Random (0x01)
        Filter policy: Accept all advertisement (0x00)
        PHYs: 0x01
        Entry 0: LE 1M
          Type: Active (0x01)
          Interval: 11.250 msec (0x0012)
          Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4                #106 [hci0] 5.461777
      LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
        Status: Unknown HCI Command (0x01)

Signed-off-by: Sven Peter <sven@svenpeter.dev>
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2 participants