Re: [PATCH] drm/bridge: adv7511: Fix Intermittent EDID failures

[kernel test robot <lkp@intel.com>]

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TO: Adam Ford <aford173@gmail.com>
TO: dri-devel@lists.freedesktop.org
CC: dmitry.baryshkov@linaro.org
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CC: Adam Ford <aford173@gmail.com>
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CC: Robert Foss <rfoss@kernel.org>
CC: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
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CC: linux-kernel@vger.kernel.org

Hi Adam,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-tip/drm-tip linus/master drm-intel/for-linux-next-fixes v6.9 next-20240522]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Adam-Ford/drm-bridge-adv7511-Fix-Intermittent-EDID-failures/20240521-091841
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240521011614.496421-1-aford173%40gmail.com
patch subject: [PATCH] drm/bridge: adv7511:  Fix Intermittent EDID failures
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: i386-randconfig-141-20240522 (https://download.01.org/0day-ci/archive/20240522/202405222253.p3vRbJDH-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.5.0-4ubuntu2) 9.5.0

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@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202405222253.p3vRbJDH-lkp@intel.com/

smatch warnings:
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c:507 adv7511_irq_process() error: uninitialized symbol 'cec_status'.

vim +/cec_status +507 drivers/gpu/drm/bridge/adv7511/adv7511_drv.c

3b1b975003e4a3 drivers/gpu/drm/bridge/adv7511/adv7511_drv.c Hans Verkuil       2017-10-07  505  
2d0835b065781a drivers/gpu/drm/bridge/adv7511/adv7511_drv.c Adam Ford          2024-05-20  506  	/* If there is no IRQ to handle, exit indicating no IRQ data */
2d0835b065781a drivers/gpu/drm/bridge/adv7511/adv7511_drv.c Adam Ford          2024-05-20 @507  	if (irq_status == IRQ_HANDLED || cec_status == IRQ_HANDLED)
2d0835b065781a drivers/gpu/drm/bridge/adv7511/adv7511_drv.c Adam Ford          2024-05-20  508  		return IRQ_HANDLED;
2d0835b065781a drivers/gpu/drm/bridge/adv7511/adv7511_drv.c Adam Ford          2024-05-20  509  
2d0835b065781a drivers/gpu/drm/bridge/adv7511/adv7511_drv.c Adam Ford          2024-05-20  510  	return IRQ_NONE;
a5241289c4139f drivers/gpu/drm/i2c/adv7511.c                Laurent Pinchart   2015-02-18  511  }
9c8af882bf1230 drivers/gpu/drm/i2c/adv7511.c                Lars-Peter Clausen 2012-03-05  512  

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