Re: media/master bisection: v4l2-compliance-vivid.device-presence on qemu_x86_64

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Please see the bisection report below about absence of the vivid
driver, which caused v4l2-compliance to fail to run.

Presumably we need to update the configuration fragment used by
kernelci.org to enable platform drivers.  Until now we've been
using this:

    CONFIG_MEDIA_SUPPORT=y
    CONFIG_MEDIA_CAMERA_SUPPORT=y
    CONFIG_VIDEO_DEV=y
    CONFIG_VIDEO_V4L2=y
    CONFIG_V4L_TEST_DRIVERS=y
    CONFIG_VIDEO_VIVID=y
    CONFIG_VIDEO_VIVID_MAX_DEVS=64

Do we simply need to add this one in v5.7 onwards?

    CONFIG_MEDIA_PLATFORM_SUPPORT=y

Thanks,
Guillaume


On 14/04/2020 20:16, kernelci.org bot wrote:
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> * This automated bisection report was sent to you on the basis  *
> * that you may be involved with the breaking commit it has      *
> * found.  No manual investigation has been done to verify it,   *
> * and the root cause of the problem may be somewhere else.      *
> *                                                               *
> * If you do send a fix, please include this trailer:            *
> *   Reported-by: "kernelci.org bot" <bot@xxxxxxxxxxxx>          *
> *                                                               *
> * Hope this helps!                                              *
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> 
> media/master bisection: v4l2-compliance-vivid.device-presence on qemu_x86_64
> 
> Summary:
>   Start:      ba445b7ff43b3 media: dt-bindings: rockchip-vpu: Convert bindings to json-schema
>   Plain log:  https://storage.kernelci.org//media/master/v5.7-rc1-63-gba445b7ff43b/x86_64/x86_64_defconfig+virtualvideo/gcc-8/lab-collabora/v4l2-compliance-vivid-qemu_x86_64.txt
>   HTML log:   https://storage.kernelci.org//media/master/v5.7-rc1-63-gba445b7ff43b/x86_64/x86_64_defconfig+virtualvideo/gcc-8/lab-collabora/v4l2-compliance-vivid-qemu_x86_64.html
>   Result:     06b93644f4d10 media: Kconfig: add an option to filter in/out platform drivers
> 
> Checks:
>   revert:     PASS
>   verify:     PASS
> 
> Parameters:
>   Tree:       media
>   URL:        https://git.linuxtv.org/media_tree.git
>   Branch:     master
>   Target:     qemu_x86_64
>   CPU arch:   x86_64
>   Lab:        lab-collabora
>   Compiler:   gcc-8
>   Config:     x86_64_defconfig+virtualvideo
>   Test case:  v4l2-compliance-vivid.device-presence
> 
> Breaking commit found:
> 
> -------------------------------------------------------------------------------
> commit 06b93644f4d102bdfc297159121acc1de794d68d
> Author: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> Date:   Tue Mar 24 10:27:15 2020 +0100
> 
>     media: Kconfig: add an option to filter in/out platform drivers
>     
>     Most systems don't need support for those, while others only
>     need those, instead of the others.
>     
>     So, add an option to filter in/out platform drivers.
>     
>     Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> 
> diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
> index 9dfea5c4b6ab7..2b6ea8beb9199 100644
> --- a/drivers/media/Kconfig
> +++ b/drivers/media/Kconfig
> @@ -87,6 +87,18 @@ config MEDIA_CEC_SUPPORT
>  	  Say Y when you have an HDMI receiver, transmitter or a USB CEC
>  	  adapter that supports HDMI CEC.
>  
> +config MEDIA_PLATFORM_SUPPORT
> +	bool "Platform-specific devices support"
> +	help
> +	  Enable support for complex cameras, codecs, and other hardware
> +	  that are integrated at the CPU, GPU or on Image Signalling Processor
> +	  and don't use PCI, USB or Firewire buses.
> +
> +	  This is found on Embedded hardware (SoC), on V4L2 codecs and
> +	  on some GPU and newer CPU chipsets.
> +
> +	  Say Y when you want to be able so see such devices.
> +
>  source "drivers/media/cec/Kconfig"
>  
>  source "drivers/media/mc/Kconfig"
> @@ -161,15 +173,14 @@ source "drivers/media/dvb-core/Kconfig"
>  
>  comment "Media drivers"
>  
> -#
> -# V4L platform/mem2mem drivers
> -#
> -
>  source "drivers/media/usb/Kconfig"
>  source "drivers/media/pci/Kconfig"
> +source "drivers/media/radio/Kconfig"
> +
> +if MEDIA_PLATFORM_SUPPORT
>  source "drivers/media/platform/Kconfig"
>  source "drivers/media/mmc/Kconfig"
> -source "drivers/media/radio/Kconfig"
> +endif
>  
>  comment "Supported FireWire (IEEE 1394) Adapters"
>  	depends on DVB_CORE && FIREWIRE
> -------------------------------------------------------------------------------
> 
> 
> Git bisection log:
> 
> -------------------------------------------------------------------------------
> git bisect start
> # good: [2632e7b618a7730969f9782593c29ca53553aa22] media: venus: firmware: Ignore secure call error on first resume
> git bisect good 2632e7b618a7730969f9782593c29ca53553aa22
> # bad: [ba445b7ff43b3e45836a9a290efdc3a36ea63941] media: dt-bindings: rockchip-vpu: Convert bindings to json-schema
> git bisect bad ba445b7ff43b3e45836a9a290efdc3a36ea63941
> # good: [29d9f30d4ce6c7a38745a54a8cddface10013490] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
> git bisect good 29d9f30d4ce6c7a38745a54a8cddface10013490
> # good: [e109f506074152b7241bcbd3949a099e776cb802] Merge tag 'mtd/for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
> git bisect good e109f506074152b7241bcbd3949a099e776cb802
> # good: [aa1a8ce533324d12696a9f4b71dbc5eb561a2e04] Merge tag 'trace-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
> git bisect good aa1a8ce533324d12696a9f4b71dbc5eb561a2e04
> # good: [c7b6a566b98524baea6a244186e665d22b633545] mm/gup: Mark lock taken only after a successful retake
> git bisect good c7b6a566b98524baea6a244186e665d22b633545
> # good: [e4da01d8333e500e15a674d75885a9dfcfd31e77] Merge tag 'powerpc-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
> git bisect good e4da01d8333e500e15a674d75885a9dfcfd31e77
> # good: [6900433e0fbca146d8170bdf876271cdf3053021] Merge tag 'for-linus-5.7-1' of git://github.com/cminyard/linux-ipmi
> git bisect good 6900433e0fbca146d8170bdf876271cdf3053021
> # good: [b753101a4ac0b906064a72feec43f5b80a1fe2e5] Merge tag 'kbuild-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
> git bisect good b753101a4ac0b906064a72feec43f5b80a1fe2e5
> # bad: [4b32216adb010a364f23a055c45e06e839b089f9] media: split test drivers from platform directory
> git bisect bad 4b32216adb010a364f23a055c45e06e839b089f9
> # good: [20e2aa812620439d010a3f78ba4e05bc0b3e2861] Merge tag 'perf-urgent-2020-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect good 20e2aa812620439d010a3f78ba4e05bc0b3e2861
> # good: [0785249f8b93836986e9d1bdeefd2a2c13f160af] Merge tag 'timers-urgent-2020-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect good 0785249f8b93836986e9d1bdeefd2a2c13f160af
> # good: [3b50142d8528e1efc1c07f69c540f926c58ab3ad] MAINTAINERS: sort field names for all entries
> git bisect good 3b50142d8528e1efc1c07f69c540f926c58ab3ad
> # bad: [06b93644f4d102bdfc297159121acc1de794d68d] media: Kconfig: add an option to filter in/out platform drivers
> git bisect bad 06b93644f4d102bdfc297159121acc1de794d68d
> # good: [d9d6e1f3d5bbca799910072b2110963250e0b9c6] media: dvb-usb: auto-select CYPRESS_FIRMWARE
> git bisect good d9d6e1f3d5bbca799910072b2110963250e0b9c6
> # first bad commit: [06b93644f4d102bdfc297159121acc1de794d68d] media: Kconfig: add an option to filter in/out platform drivers
> -------------------------------------------------------------------------------
> 




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