Re: [PATCH 0/8] drm + usb-type-c: Add support for out-of-band hotplug notification (v4)

[Hans de Goede <hdegoede@redhat.com>]

Hi,

On 6/15/21 9:40 AM, Greg Kroah-Hartman wrote:
> On Fri, Jun 04, 2021 at 09:48:32PM +0200, Hans de Goede wrote:
>> Here is v3 of my patchset making DP over Type-C work on devices where the
>> Type-C controller does not drive the HPD pin on the GPU, but instead
>> we need to forward HPD events from the Type-C controller to the DRM driver.
>>
>> Changes in v4:
>> - Rebase on top of latest drm-tip
>> - Add forward declaration for struct fwnode_handle to drm_crtc_internal.h
>>   (fixes warning reported by kernel test robot <lkp@intel.com>)
>> - Add Heikki's Reviewed-by to patch 7 & 8
>> - Add Heikki's Tested-by to the series
>>
>> Changes in v3:
>> - Base on top of latest drm-tip, which should fix the CI being unable to
>>   apply (and thus to test) the patches
>> - Make intel_acpi_assign_connector_fwnodes() take a ref on the fwnode
>>   it stores in connector->fwnode and have drm_connector_cleanup() put
>>   this reference
>> - Drop data argument from drm_connector_oob_hotplug_event()
>> - Make the Type-C DP altmode code only call drm_connector_oob_hotplug_event()
>>   when the HPD bit in the status vdo changes
>> - Drop the platform/x86/intel_cht_int33fe: Correct "displayport" fwnode
>>   reference patch, this will be merged independently through the pdx86 tree
>>
>> Changes in v2:
>> - Replace the bogus "drm/connector: Make the drm_sysfs connector->kdev
>>   device hold a reference to the connector" patch with:
>>   "drm/connector: Give connector sysfs devices there own device_type"
>>   the new patch is a dep for patch 2/9 see the patches
>>
>> - Stop using a class-dev-iter, instead at a global connector list
>>   to drm_connector.c and use that to find the connector by the fwnode,
>>   similar to how we already do this in drm_panel.c and drm_bridge.c
>>
>> - Make drm_connector_oob_hotplug_event() take a fwnode pointer as
>>   argument, rather then a drm_connector pointer and let it do the
>>   lookup itself. This allows making drm_connector_find_by_fwnode() a
>>   drm-internal function and avoids code outside the drm subsystem
>>   potentially holding on the a drm_connector reference for a longer
>>   period.
>>
>> This series not only touches drm subsys files but it also touches
>> drivers/usb/typec/altmodes/typec_displayport.c, that file usually
>> does not see a whole lot of changes. So I believe it would be best
>> to just merge the entire series through drm-misc, Assuming we can
>> get an ack from Greg for merging the typec_displayport.c changes
>> this way.
> 
> No objection from me, I've replied with reviewed-by for those USB
> patches now.

Great, thank you.

drm-devs, can I get an ack / reviewed-by for the rest of the series
so that I can push this to drm-misc-next ?

Regards,

Hans