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[00/15] drm/vc4: hdmi: Add CEC support for the BCM2711

Message ID 20201210134648.272857-1-maxime@cerno.tech (mailing list archive)
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Series drm/vc4: hdmi: Add CEC support for the BCM2711 | expand

Message

Maxime Ripard Dec. 10, 2020, 1:46 p.m. UTC
Hi,

Here's a series introducing the CEC support for the BCM2711 found on the
RaspberryPi4.

The BCM2711 HDMI controller uses a similar layout for the CEC registers, the
main difference being that the interrupt handling part is now shared between
both HDMI controllers.

This series is mainly about fixing a couple of bugs, reworking the driver to
support having two different interrupts, one for each direction, provided by an
external irqchip, and enables the irqchip driver for the controller we have.

This has been tested on an RPi3 and RPi4, but requires the latest firmware.
It's is based on the 10 and 12 bpc series.

Here is the cec-compliance output:

$ cec-ctl --tuner -p 1.0.0.0
The CEC adapter doesn't allow setting the physical address manually, ignore this option.

Driver Info:
	Driver Name                : vc4_hdmi
	Adapter Name               : vc4
	Capabilities               : 0x0000010e
		Logical Addresses
		Transmit
		Passthrough
	Driver version             : 5.10.0
	Available Logical Addresses: 1
	Physical Address           : 1.0.0.0
	Logical Address Mask       : 0x0008
	CEC Version                : 2.0
	Vendor ID                  : 0x000c03 (HDMI)
	OSD Name                   : Tuner
	Logical Addresses          : 1 (Allow RC Passthrough)

	  Logical Address          : 3 (Tuner 1)
	    Primary Device Type    : Tuner
	    Logical Address Type   : Tuner
	    All Device Types       : Tuner
	    RC TV Profile          : None
	    Device Features        :
		None

$ cec-compliance
cec-compliance SHA                 : not available
Driver Info:
	Driver Name                : vc4_hdmi
	Adapter Name               : vc4
	Capabilities               : 0x0000010e
		Logical Addresses
		Transmit
		Passthrough
	Driver version             : 5.10.0
	Available Logical Addresses: 1
	Physical Address           : 1.0.0.0
	Logical Address Mask       : 0x0008
	CEC Version                : 2.0
	Vendor ID                  : 0x000c03 (HDMI)
	OSD Name                   : Tuner
	Logical Addresses          : 1 (Allow RC Passthrough)

	  Logical Address          : 3 (Tuner 1)
	    Primary Device Type    : Tuner
	    Logical Address Type   : Tuner
	    All Device Types       : Tuner
	    RC TV Profile          : None
	    Device Features        :
		None

Compliance test for vc4_hdmi device /dev/cec0:

    The test results mean the following:
        OK                  Supported correctly by the device.
        OK (Not Supported)  Not supported and not mandatory for the device.
        OK (Presumed)       Presumably supported.  Manually check to confirm.
        OK (Unexpected)     Supported correctly but is not expected to be supported for this device.
        OK (Refused)        Supported by the device, but was refused.
        FAIL                Failed and was expected to be supported by this device.

Find remote devices:
	Polling: OK

Network topology:
	System Information for device 0 (TV) from device 3 (Tuner 1):
		CEC Version                : 2.0
		Physical Address           : 0.0.0.0
		Primary Device Type        : TV
		Vendor ID                  : 0x000c03 (HDMI)
		OSD Name                   : 'test-124'
		Power Status               : Tx, OK, Rx, OK, Feature Abort

Total for vc4_hdmi device /dev/cec0: 1, Succeeded: 1, Failed: 0, Warnings: 0

Let me know what you think,
Maxime

Dom Cobley (5):
  drm/vc4: hdmi: Move hdmi reset to bind
  drm/vc4: hdmi: Fix register offset with longer CEC messages
  drm/vc4: hdmi: Fix up CEC registers
  drm/vc4: hdmi: Restore cec physical address on reconnect
  drm/vc4: hdmi: Remove cec_available flag

Maxime Ripard (10):
  irqchip: Allow to compile bcmstb on other platforms
  drm/vc4: hdmi: Compute the CEC clock divider from the clock rate
  drm/vc4: hdmi: Update the CEC clock divider on HSM rate change
  drm/vc4: hdmi: Introduce a CEC clock
  drm/vc4: hdmi: Split the interrupt handlers
  drm/vc4: hdmi: Support BCM2711 CEC interrupt setup
  drm/vc4: hdmi: Don't register the CEC adapter if there's no interrupts
  dt-binding: display: bcm2711-hdmi: Add CEC and hotplug interrupts
  ARM: dts: bcm2711: Add the BSC interrupt controller
  ARM: dts: bcm2711: Add the CEC interrupt controller

 .../bindings/display/brcm,bcm2711-hdmi.yaml   |  20 +-
 arch/arm/boot/dts/bcm2711.dtsi                |  30 +++
 drivers/gpu/drm/vc4/vc4_hdmi.c                | 224 +++++++++++++-----
 drivers/gpu/drm/vc4/vc4_hdmi.h                |  11 +-
 drivers/gpu/drm/vc4/vc4_hdmi_regs.h           |   4 +-
 drivers/irqchip/Kconfig                       |   2 +-
 6 files changed, 232 insertions(+), 59 deletions(-)

Comments

Hans Verkuil Dec. 16, 2020, 12:35 p.m. UTC | #1
Hi Maxime,

On 10/12/2020 14:46, Maxime Ripard wrote:
> Hi,
> 
> Here's a series introducing the CEC support for the BCM2711 found on the
> RaspberryPi4.
> 
> The BCM2711 HDMI controller uses a similar layout for the CEC registers, the
> main difference being that the interrupt handling part is now shared between
> both HDMI controllers.
> 
> This series is mainly about fixing a couple of bugs, reworking the driver to
> support having two different interrupts, one for each direction, provided by an
> external irqchip, and enables the irqchip driver for the controller we have.
> 
> This has been tested on an RPi3 and RPi4, but requires the latest firmware.
> It's is based on the 10 and 12 bpc series.

This series looks good to me. Before I give my Acked-by for this series, can you
confirm that it is possible to transmit the Image View On message on both outputs
of the RPi4 when the HPD is low?

See section "CEC Without HPD" in https://hverkuil.home.xs4all.nl/cec-status.txt
on how to test this with a Pulse-Eight device.

This should work.

Regards,

	Hans

> 
> Here is the cec-compliance output:
> 
> $ cec-ctl --tuner -p 1.0.0.0
> The CEC adapter doesn't allow setting the physical address manually, ignore this option.
> 
> Driver Info:
> 	Driver Name                : vc4_hdmi
> 	Adapter Name               : vc4
> 	Capabilities               : 0x0000010e
> 		Logical Addresses
> 		Transmit
> 		Passthrough
> 	Driver version             : 5.10.0
> 	Available Logical Addresses: 1
> 	Physical Address           : 1.0.0.0
> 	Logical Address Mask       : 0x0008
> 	CEC Version                : 2.0
> 	Vendor ID                  : 0x000c03 (HDMI)
> 	OSD Name                   : Tuner
> 	Logical Addresses          : 1 (Allow RC Passthrough)
> 
> 	  Logical Address          : 3 (Tuner 1)
> 	    Primary Device Type    : Tuner
> 	    Logical Address Type   : Tuner
> 	    All Device Types       : Tuner
> 	    RC TV Profile          : None
> 	    Device Features        :
> 		None
> 
> $ cec-compliance
> cec-compliance SHA                 : not available
> Driver Info:
> 	Driver Name                : vc4_hdmi
> 	Adapter Name               : vc4
> 	Capabilities               : 0x0000010e
> 		Logical Addresses
> 		Transmit
> 		Passthrough
> 	Driver version             : 5.10.0
> 	Available Logical Addresses: 1
> 	Physical Address           : 1.0.0.0
> 	Logical Address Mask       : 0x0008
> 	CEC Version                : 2.0
> 	Vendor ID                  : 0x000c03 (HDMI)
> 	OSD Name                   : Tuner
> 	Logical Addresses          : 1 (Allow RC Passthrough)
> 
> 	  Logical Address          : 3 (Tuner 1)
> 	    Primary Device Type    : Tuner
> 	    Logical Address Type   : Tuner
> 	    All Device Types       : Tuner
> 	    RC TV Profile          : None
> 	    Device Features        :
> 		None
> 
> Compliance test for vc4_hdmi device /dev/cec0:
> 
>     The test results mean the following:
>         OK                  Supported correctly by the device.
>         OK (Not Supported)  Not supported and not mandatory for the device.
>         OK (Presumed)       Presumably supported.  Manually check to confirm.
>         OK (Unexpected)     Supported correctly but is not expected to be supported for this device.
>         OK (Refused)        Supported by the device, but was refused.
>         FAIL                Failed and was expected to be supported by this device.
> 
> Find remote devices:
> 	Polling: OK
> 
> Network topology:
> 	System Information for device 0 (TV) from device 3 (Tuner 1):
> 		CEC Version                : 2.0
> 		Physical Address           : 0.0.0.0
> 		Primary Device Type        : TV
> 		Vendor ID                  : 0x000c03 (HDMI)
> 		OSD Name                   : 'test-124'
> 		Power Status               : Tx, OK, Rx, OK, Feature Abort
> 
> Total for vc4_hdmi device /dev/cec0: 1, Succeeded: 1, Failed: 0, Warnings: 0
> 
> Let me know what you think,
> Maxime
> 
> Dom Cobley (5):
>   drm/vc4: hdmi: Move hdmi reset to bind
>   drm/vc4: hdmi: Fix register offset with longer CEC messages
>   drm/vc4: hdmi: Fix up CEC registers
>   drm/vc4: hdmi: Restore cec physical address on reconnect
>   drm/vc4: hdmi: Remove cec_available flag
> 
> Maxime Ripard (10):
>   irqchip: Allow to compile bcmstb on other platforms
>   drm/vc4: hdmi: Compute the CEC clock divider from the clock rate
>   drm/vc4: hdmi: Update the CEC clock divider on HSM rate change
>   drm/vc4: hdmi: Introduce a CEC clock
>   drm/vc4: hdmi: Split the interrupt handlers
>   drm/vc4: hdmi: Support BCM2711 CEC interrupt setup
>   drm/vc4: hdmi: Don't register the CEC adapter if there's no interrupts
>   dt-binding: display: bcm2711-hdmi: Add CEC and hotplug interrupts
>   ARM: dts: bcm2711: Add the BSC interrupt controller
>   ARM: dts: bcm2711: Add the CEC interrupt controller
> 
>  .../bindings/display/brcm,bcm2711-hdmi.yaml   |  20 +-
>  arch/arm/boot/dts/bcm2711.dtsi                |  30 +++
>  drivers/gpu/drm/vc4/vc4_hdmi.c                | 224 +++++++++++++-----
>  drivers/gpu/drm/vc4/vc4_hdmi.h                |  11 +-
>  drivers/gpu/drm/vc4/vc4_hdmi_regs.h           |   4 +-
>  drivers/irqchip/Kconfig                       |   2 +-
>  6 files changed, 232 insertions(+), 59 deletions(-)
>
Maxime Ripard Dec. 17, 2020, 10:49 a.m. UTC | #2
Hi Hans,

On Wed, Dec 16, 2020 at 01:35:43PM +0100, Hans Verkuil wrote:
> Hi Maxime,
> 
> On 10/12/2020 14:46, Maxime Ripard wrote:
> > Hi,
> > 
> > Here's a series introducing the CEC support for the BCM2711 found on the
> > RaspberryPi4.
> > 
> > The BCM2711 HDMI controller uses a similar layout for the CEC registers, the
> > main difference being that the interrupt handling part is now shared between
> > both HDMI controllers.
> > 
> > This series is mainly about fixing a couple of bugs, reworking the driver to
> > support having two different interrupts, one for each direction, provided by an
> > external irqchip, and enables the irqchip driver for the controller we have.
> > 
> > This has been tested on an RPi3 and RPi4, but requires the latest firmware.
> > It's is based on the 10 and 12 bpc series.
> 
> This series looks good to me. Before I give my Acked-by for this series, can you
> confirm that it is possible to transmit the Image View On message on both outputs
> of the RPi4 when the HPD is low?
> 
> See section "CEC Without HPD" in https://hverkuil.home.xs4all.nl/cec-status.txt
> on how to test this with a Pulse-Eight device.
> 
> This should work.

This is the output on the RPi4:

# cec-ctl --playback
Driver Info:
	Driver Name                : vc4_hdmi
	Adapter Name               : vc4
	Capabilities               : 0x0000010e
		Logical Addresses
		Transmit
		Passthrough
	Driver version             : 5.10.0
	Available Logical Addresses: 1
	Physical Address           : f.f.f.f
	Logical Address Mask       : 0x0000
	CEC Version                : 2.0
	Vendor ID                  : 0x000c03 (HDMI)
	OSD Name                   : Playback
	Logical Addresses          : 1 (Allow RC Passthrough)

	  Logical Address          : Not Allocated
	    Primary Device Type    : Playback
	    Logical Address Type   : Playback
	    All Device Types       : Playback
	    RC TV Profile          : None
	    Device Features        :
		None

# cec-ctl -t0 --image-view-on
Driver Info:
	Driver Name                : vc4_hdmi
	Adapter Name               : vc4
	Capabilities               : 0x0000010e
		Logical Addresses
		Transmit
		Passthrough
	Driver version             : 5.10.0
	Available Logical Addresses: 1
	Physical Address           : f.f.f.f
	Logical Address Mask       : 0x0000
	CEC Version                : 2.0
	Vendor ID                  : 0x000c03 (HDMI)
	OSD Name                   : Playback
	Logical Addresses          : 1 (Allow RC Passthrough)

	  Logical Address          : Not Allocated
	    Primary Device Type    : Playback
	    Logical Address Type   : Playback
	    All Device Types       : Playback
	    RC TV Profile          : None
	    Device Features        :
		None


Transmit from Unregistered to TV (15 to 0):
CEC_MSG_IMAGE_VIEW_ON (0x04)
	Sequence: 1 Tx Timestamp: 77.631s


And this is the output on my desktop with the Pulse-Eight:
$ sudo cec-ctl -p0.0.0.0 --tv
Driver Info:
	Driver Name                : pulse8-cec
	Adapter Name               : serio0
	Capabilities               : 0x0000003f
		Physical Address
		Logical Addresses
		Transmit
		Passthrough
		Remote Control Support
		Monitor All
	Driver version             : 5.9.8
	Available Logical Addresses: 1
	Connector Info             : None
	Physical Address           : 0.0.0.0
	Logical Address Mask       : 0x0001
	CEC Version                : 2.0
	Vendor ID                  : 0x000c03 (HDMI)
	OSD Name                   : 'TV  '
	Logical Addresses          : 1 (Allow RC Passthrough)

	  Logical Address          : 0 (TV)
	    Primary Device Type    : TV
	    Logical Address Type   : TV
	    All Device Types       : TV
	    RC TV Profile          : None
	    Device Features        :
		None

$ sudo cec-ctl -M
Driver Info:
	Driver Name                : pulse8-cec
	Adapter Name               : serio0
	Capabilities               : 0x0000003f
		Physical Address
		Logical Addresses
		Transmit
		Passthrough
		Remote Control Support
		Monitor All
	Driver version             : 5.9.8
	Available Logical Addresses: 1
	Connector Info             : None
	Physical Address           : 0.0.0.0
	Logical Address Mask       : 0x0001
	CEC Version                : 2.0
	Vendor ID                  : 0x000c03 (HDMI)
	OSD Name                   : 'TV  '
	Logical Addresses          : 1 (Allow RC Passthrough)

	  Logical Address          : 0 (TV)
	    Primary Device Type    : TV
	    Logical Address Type   : TV
	    All Device Types       : TV
	    RC TV Profile          : None
	    Device Features        :
		None



Initial Event: State Change: PA: 0.0.0.0, LA mask: 0x0001, Conn Info: no
Received from Unregistered to TV (15 to 0): IMAGE_VIEW_ON (0x04)

So it looks like it's working as expected?

Maxime
Hans Verkuil Dec. 17, 2020, 10:53 a.m. UTC | #3
On 17/12/2020 11:49, Maxime Ripard wrote:
> Hi Hans,
> 
> On Wed, Dec 16, 2020 at 01:35:43PM +0100, Hans Verkuil wrote:
>> Hi Maxime,
>>
>> On 10/12/2020 14:46, Maxime Ripard wrote:
>>> Hi,
>>>
>>> Here's a series introducing the CEC support for the BCM2711 found on the
>>> RaspberryPi4.
>>>
>>> The BCM2711 HDMI controller uses a similar layout for the CEC registers, the
>>> main difference being that the interrupt handling part is now shared between
>>> both HDMI controllers.
>>>
>>> This series is mainly about fixing a couple of bugs, reworking the driver to
>>> support having two different interrupts, one for each direction, provided by an
>>> external irqchip, and enables the irqchip driver for the controller we have.
>>>
>>> This has been tested on an RPi3 and RPi4, but requires the latest firmware.
>>> It's is based on the 10 and 12 bpc series.
>>
>> This series looks good to me. Before I give my Acked-by for this series, can you
>> confirm that it is possible to transmit the Image View On message on both outputs
>> of the RPi4 when the HPD is low?
>>
>> See section "CEC Without HPD" in https://hverkuil.home.xs4all.nl/cec-status.txt
>> on how to test this with a Pulse-Eight device.
>>
>> This should work.
> 
> This is the output on the RPi4:
> 
> # cec-ctl --playback
> Driver Info:
> 	Driver Name                : vc4_hdmi
> 	Adapter Name               : vc4
> 	Capabilities               : 0x0000010e
> 		Logical Addresses
> 		Transmit
> 		Passthrough
> 	Driver version             : 5.10.0
> 	Available Logical Addresses: 1
> 	Physical Address           : f.f.f.f
> 	Logical Address Mask       : 0x0000
> 	CEC Version                : 2.0
> 	Vendor ID                  : 0x000c03 (HDMI)
> 	OSD Name                   : Playback
> 	Logical Addresses          : 1 (Allow RC Passthrough)
> 
> 	  Logical Address          : Not Allocated
> 	    Primary Device Type    : Playback
> 	    Logical Address Type   : Playback
> 	    All Device Types       : Playback
> 	    RC TV Profile          : None
> 	    Device Features        :
> 		None
> 
> # cec-ctl -t0 --image-view-on
> Driver Info:
> 	Driver Name                : vc4_hdmi
> 	Adapter Name               : vc4
> 	Capabilities               : 0x0000010e
> 		Logical Addresses
> 		Transmit
> 		Passthrough
> 	Driver version             : 5.10.0
> 	Available Logical Addresses: 1
> 	Physical Address           : f.f.f.f
> 	Logical Address Mask       : 0x0000
> 	CEC Version                : 2.0
> 	Vendor ID                  : 0x000c03 (HDMI)
> 	OSD Name                   : Playback
> 	Logical Addresses          : 1 (Allow RC Passthrough)
> 
> 	  Logical Address          : Not Allocated
> 	    Primary Device Type    : Playback
> 	    Logical Address Type   : Playback
> 	    All Device Types       : Playback
> 	    RC TV Profile          : None
> 	    Device Features        :
> 		None
> 
> 
> Transmit from Unregistered to TV (15 to 0):
> CEC_MSG_IMAGE_VIEW_ON (0x04)
> 	Sequence: 1 Tx Timestamp: 77.631s
> 
> 
> And this is the output on my desktop with the Pulse-Eight:
> $ sudo cec-ctl -p0.0.0.0 --tv
> Driver Info:
> 	Driver Name                : pulse8-cec
> 	Adapter Name               : serio0
> 	Capabilities               : 0x0000003f
> 		Physical Address
> 		Logical Addresses
> 		Transmit
> 		Passthrough
> 		Remote Control Support
> 		Monitor All
> 	Driver version             : 5.9.8
> 	Available Logical Addresses: 1
> 	Connector Info             : None
> 	Physical Address           : 0.0.0.0
> 	Logical Address Mask       : 0x0001
> 	CEC Version                : 2.0
> 	Vendor ID                  : 0x000c03 (HDMI)
> 	OSD Name                   : 'TV  '
> 	Logical Addresses          : 1 (Allow RC Passthrough)
> 
> 	  Logical Address          : 0 (TV)
> 	    Primary Device Type    : TV
> 	    Logical Address Type   : TV
> 	    All Device Types       : TV
> 	    RC TV Profile          : None
> 	    Device Features        :
> 		None
> 
> $ sudo cec-ctl -M
> Driver Info:
> 	Driver Name                : pulse8-cec
> 	Adapter Name               : serio0
> 	Capabilities               : 0x0000003f
> 		Physical Address
> 		Logical Addresses
> 		Transmit
> 		Passthrough
> 		Remote Control Support
> 		Monitor All
> 	Driver version             : 5.9.8
> 	Available Logical Addresses: 1
> 	Connector Info             : None
> 	Physical Address           : 0.0.0.0
> 	Logical Address Mask       : 0x0001
> 	CEC Version                : 2.0
> 	Vendor ID                  : 0x000c03 (HDMI)
> 	OSD Name                   : 'TV  '
> 	Logical Addresses          : 1 (Allow RC Passthrough)
> 
> 	  Logical Address          : 0 (TV)
> 	    Primary Device Type    : TV
> 	    Logical Address Type   : TV
> 	    All Device Types       : TV
> 	    RC TV Profile          : None
> 	    Device Features        :
> 		None
> 
> 
> 
> Initial Event: State Change: PA: 0.0.0.0, LA mask: 0x0001, Conn Info: no
> Received from Unregistered to TV (15 to 0): IMAGE_VIEW_ON (0x04)
> 
> So it looks like it's working as expected?

Yes, it looks good. Make sure you test this for both outputs of the RPi4. If it
works for both, then you can add my

Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

for this series.

Very nice work, thank you for doing this!

Regards,

	Hans

> 
> Maxime
>
Maxime Ripard Dec. 17, 2020, 12:59 p.m. UTC | #4
Hi Hans,

On Thu, Dec 17, 2020 at 11:53:42AM +0100, Hans Verkuil wrote:
> On 17/12/2020 11:49, Maxime Ripard wrote:
> > Hi Hans,
> > 
> > On Wed, Dec 16, 2020 at 01:35:43PM +0100, Hans Verkuil wrote:
> >> Hi Maxime,
> >>
> >> On 10/12/2020 14:46, Maxime Ripard wrote:
> >>> Hi,
> >>>
> >>> Here's a series introducing the CEC support for the BCM2711 found on the
> >>> RaspberryPi4.
> >>>
> >>> The BCM2711 HDMI controller uses a similar layout for the CEC registers, the
> >>> main difference being that the interrupt handling part is now shared between
> >>> both HDMI controllers.
> >>>
> >>> This series is mainly about fixing a couple of bugs, reworking the driver to
> >>> support having two different interrupts, one for each direction, provided by an
> >>> external irqchip, and enables the irqchip driver for the controller we have.
> >>>
> >>> This has been tested on an RPi3 and RPi4, but requires the latest firmware.
> >>> It's is based on the 10 and 12 bpc series.
> >>
> >> This series looks good to me. Before I give my Acked-by for this series, can you
> >> confirm that it is possible to transmit the Image View On message on both outputs
> >> of the RPi4 when the HPD is low?
> >>
> >> See section "CEC Without HPD" in https://hverkuil.home.xs4all.nl/cec-status.txt
> >> on how to test this with a Pulse-Eight device.
> >>
> >> This should work.
> > 
> > This is the output on the RPi4:
> > 
> > # cec-ctl --playback
> > Driver Info:
> > 	Driver Name                : vc4_hdmi
> > 	Adapter Name               : vc4
> > 	Capabilities               : 0x0000010e
> > 		Logical Addresses
> > 		Transmit
> > 		Passthrough
> > 	Driver version             : 5.10.0
> > 	Available Logical Addresses: 1
> > 	Physical Address           : f.f.f.f
> > 	Logical Address Mask       : 0x0000
> > 	CEC Version                : 2.0
> > 	Vendor ID                  : 0x000c03 (HDMI)
> > 	OSD Name                   : Playback
> > 	Logical Addresses          : 1 (Allow RC Passthrough)
> > 
> > 	  Logical Address          : Not Allocated
> > 	    Primary Device Type    : Playback
> > 	    Logical Address Type   : Playback
> > 	    All Device Types       : Playback
> > 	    RC TV Profile          : None
> > 	    Device Features        :
> > 		None
> > 
> > # cec-ctl -t0 --image-view-on
> > Driver Info:
> > 	Driver Name                : vc4_hdmi
> > 	Adapter Name               : vc4
> > 	Capabilities               : 0x0000010e
> > 		Logical Addresses
> > 		Transmit
> > 		Passthrough
> > 	Driver version             : 5.10.0
> > 	Available Logical Addresses: 1
> > 	Physical Address           : f.f.f.f
> > 	Logical Address Mask       : 0x0000
> > 	CEC Version                : 2.0
> > 	Vendor ID                  : 0x000c03 (HDMI)
> > 	OSD Name                   : Playback
> > 	Logical Addresses          : 1 (Allow RC Passthrough)
> > 
> > 	  Logical Address          : Not Allocated
> > 	    Primary Device Type    : Playback
> > 	    Logical Address Type   : Playback
> > 	    All Device Types       : Playback
> > 	    RC TV Profile          : None
> > 	    Device Features        :
> > 		None
> > 
> > 
> > Transmit from Unregistered to TV (15 to 0):
> > CEC_MSG_IMAGE_VIEW_ON (0x04)
> > 	Sequence: 1 Tx Timestamp: 77.631s
> > 
> > 
> > And this is the output on my desktop with the Pulse-Eight:
> > $ sudo cec-ctl -p0.0.0.0 --tv
> > Driver Info:
> > 	Driver Name                : pulse8-cec
> > 	Adapter Name               : serio0
> > 	Capabilities               : 0x0000003f
> > 		Physical Address
> > 		Logical Addresses
> > 		Transmit
> > 		Passthrough
> > 		Remote Control Support
> > 		Monitor All
> > 	Driver version             : 5.9.8
> > 	Available Logical Addresses: 1
> > 	Connector Info             : None
> > 	Physical Address           : 0.0.0.0
> > 	Logical Address Mask       : 0x0001
> > 	CEC Version                : 2.0
> > 	Vendor ID                  : 0x000c03 (HDMI)
> > 	OSD Name                   : 'TV  '
> > 	Logical Addresses          : 1 (Allow RC Passthrough)
> > 
> > 	  Logical Address          : 0 (TV)
> > 	    Primary Device Type    : TV
> > 	    Logical Address Type   : TV
> > 	    All Device Types       : TV
> > 	    RC TV Profile          : None
> > 	    Device Features        :
> > 		None
> > 
> > $ sudo cec-ctl -M
> > Driver Info:
> > 	Driver Name                : pulse8-cec
> > 	Adapter Name               : serio0
> > 	Capabilities               : 0x0000003f
> > 		Physical Address
> > 		Logical Addresses
> > 		Transmit
> > 		Passthrough
> > 		Remote Control Support
> > 		Monitor All
> > 	Driver version             : 5.9.8
> > 	Available Logical Addresses: 1
> > 	Connector Info             : None
> > 	Physical Address           : 0.0.0.0
> > 	Logical Address Mask       : 0x0001
> > 	CEC Version                : 2.0
> > 	Vendor ID                  : 0x000c03 (HDMI)
> > 	OSD Name                   : 'TV  '
> > 	Logical Addresses          : 1 (Allow RC Passthrough)
> > 
> > 	  Logical Address          : 0 (TV)
> > 	    Primary Device Type    : TV
> > 	    Logical Address Type   : TV
> > 	    All Device Types       : TV
> > 	    RC TV Profile          : None
> > 	    Device Features        :
> > 		None
> > 
> > 
> > 
> > Initial Event: State Change: PA: 0.0.0.0, LA mask: 0x0001, Conn Info: no
> > Received from Unregistered to TV (15 to 0): IMAGE_VIEW_ON (0x04)
> > 
> > So it looks like it's working as expected?
> 
> Yes, it looks good. Make sure you test this for both outputs of the RPi4.

It's a good thing you asked, I don't appear to get CEC interrupts from
HDMI1. I'll fix it and send another version (probably not before the end
of december though).

> If it works for both, then you can add my
> 
> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
> 
> for this series.
> 
> Very nice work, thank you for doing this!

Thanks!

I'll hold your a-b until the next version though, fixing hdmi1 might
change a few things.

Maxime