linux-kernel - Re: [PATCH v2 4/6] platform/raspberrypi: vchiq-mmal: Use vc-sm-cma to support zero copy

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Message-ID: <202601052123.hNOfRem6-lkp@intel.com>
Date: Mon, 5 Jan 2026 21:55:01 +0100
From: kernel test robot <lkp@...el.com>
To: Jai Luthra <jai.luthra@...asonboard.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
	bcm-kernel-feedback-list@...adcom.com,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dave Stevenson <dave.stevenson@...pberrypi.com>
Cc: Paul Gazzillo <paul@...zz.com>,
	Necip Fazil Yildiran <fazilyildiran@...il.com>,
	oe-kbuild-all@...ts.linux.dev, Phil Elwell <phil@...pberrypi.com>,
	Stefan Wahren <wahrenst@....net>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Kieran Bingham <kieran.bingham@...asonboard.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Christian König <christian.koenig@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	Jai Luthra <jai.luthra@...asonboard.com>
Subject: Re: [PATCH v2 4/6] platform/raspberrypi: vchiq-mmal: Use vc-sm-cma
 to support zero copy

Hi Jai,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 3e7f562e20ee87a25e104ef4fce557d39d62fa85]

url:    https://github.com/intel-lab-lkp/linux/commits/Jai-Luthra/platform-raspberrypi-vchiq-mmal-Reset-buffers_with_vpu-on-port_enable/20260105-170249
base:   3e7f562e20ee87a25e104ef4fce557d39d62fa85
patch link:    https://lore.kernel.org/r/20260105-b4-vc-sm-cma-v2-4-4daea749ced9%40ideasonboard.com
patch subject: [PATCH v2 4/6] platform/raspberrypi: vchiq-mmal: Use vc-sm-cma to support zero copy
config: sh-kismet-CONFIG_BCM2835_VCHIQ-CONFIG_BCM2835_VCHIQ_MMAL-0-0 (https://download.01.org/0day-ci/archive/20260105/202601052123.hNOfRem6-lkp@intel.com/config)
reproduce: (https://download.01.org/0day-ci/archive/20260105/202601052123.hNOfRem6-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601052123.hNOfRem6-lkp@intel.com/

kismet warnings: (new ones prefixed by >>)
>> kismet: WARNING: unmet direct dependencies detected for BCM2835_VCHIQ when selected by BCM2835_VCHIQ_MMAL
   WARNING: unmet direct dependencies detected for BCM2835_VCHIQ
     Depends on [n]: BCM_VIDEOCORE [=y] && HAS_DMA [=n]
     Selected by [y]:
     - BCM2835_VCHIQ_MMAL [=y] && BCM_VIDEOCORE [=y]
     - BCM_VC_SM_CMA [=y] && BCM_VIDEOCORE [=y]

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki