Re: [PATCH v3] arm64: defconfig: enable Rockchip Multimedia drivers

[Krzysztof Kozlowski <krzk@kernel.org>]

On 08/08/2026 16:06, Heiko Stübner wrote:
> Am Samstag, 8. August 2026, 02:42:26 Mitteleuropäische Sommerzeit schrieb Sebastian Reichel:
>> Enable multimedia related drivers used by the Radxa ROCK 5B (used as an
>> example, the config options are relevant for most Rockchip RK3588 and
>> RK3576 boards), so that all hardware is supported by the default config.
>>
>>  * Synopsys MIPI CSI2RX - RK3588 CSI2 Controller
>>  * RKVDEC - RK3588/RK3576 video decoder for H.264 and H.265
>>  * Sony IMX415 - Sensor used by the Radxa Cam 4K module
>>  * Rocket - RK3588 NPU driver
>>  * Verisilicon IOMMU - IOMMU used by RK3588 AV1 video decoder
>>  * Innosilicon CSI D-PHY - RK3588 CSI PHY (one of them)
>>
>> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> 
> I'm not sure what the actual rule for defconfig changes is.
> 
> In some past thread I remember (hopefully correctly) Krzysztof saying
> that the arm64 defconfig is not supposed to be a distro-config, so
> enabling each and every driver was not the goal.
> 
> On the other hand, he did not repeat that in his reply to your v1 ;-) .
> 
> We're at -rc7 tomorrow, so it'd be 7.4 material anyway, so enough time
> to get "complaints" I guess ;-) .

I believe defconfig is still mostly for us and the patch fits this
purpose - you need these to fully use mentioned upstream hardware.

I learnt that few distros (I think Fedora) use defconfig directly
instead of customizing it like Ubuntu does, so anyway maybe we should
enable everything for given hardware.

Best regards,
Krzysztof