Re: [PATCH v2 2/2] drm: automatic legacy gamma support

From: kernel test robot <lkp@intel.com>
To: "Tomi Valkeinen" <tomi.valkeinen@ti.com>,
	dri-devel@lists.freedesktop.org,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
	"Laurent Pinchart" <laurent.pinchart@ideasonboard.com>
Cc: Paul Cercueil <paul@crapouillou.net>,
	kbuild-all@lists.01.org, David Airlie <airlied@linux.ie>,
	Sandy Huang <hjc@rock-chips.com>,
	Philippe Cornu <philippe.cornu@st.com>,
	Yannick Fertre <yannick.fertre@st.com>,
	Russell King <linux@armlinux.org.uk>
Subject: Re: [PATCH v2 2/2] drm: automatic legacy gamma support
Date: Wed, 9 Dec 2020 13:20:28 +0800	[thread overview]
Message-ID: <202012091351.5DtlR1Ws-lkp@intel.com> (raw)
In-Reply-To: <20201208135759.451772-3-tomi.valkeinen@ti.com>

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Hi Tomi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on linus/master v5.10-rc7]
[cannot apply to drm-tip/drm-tip anholt/for-next next-20201208]
[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]

url:    https://github.com/0day-ci/linux/commits/Tomi-Valkeinen/drm-fix-and-cleanup-legacy-gamma-support/20201208-215917
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-s021-20201208 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-179-ga00755aa-dirty
        # https://github.com/0day-ci/linux/commit/82a704a10c400f58d4b9b44e6def07cc7d6bab20
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tomi-Valkeinen/drm-fix-and-cleanup-legacy-gamma-support/20201208-215917
        git checkout 82a704a10c400f58d4b9b44e6def07cc7d6bab20
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/gpu/drm/drm_ioc32.c:38:
>> drivers/gpu/drm/drm_crtc_internal.h:121:17: warning: 'struct drm_modeset_acquire_ctx' declared inside parameter list will not be visible outside of this definition or declaration
     121 |          struct drm_modeset_acquire_ctx *ctx);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~

vim +121 drivers/gpu/drm/drm_crtc_internal.h

   116	
   117	bool drm_crtc_supports_legacy_gamma(struct drm_crtc *crtc);
   118	int drm_crtc_legacy_gamma_set(struct drm_crtc *crtc,
   119				      u16 *red, u16 *green, u16 *blue,
   120				      uint32_t size,
 > 121				      struct drm_modeset_acquire_ctx *ctx);
   122	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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