[mmotm:master 138/210] drivers/gpu/drm/msm/msm_drv.c:781:19: error: 'q' undeclared here (not in a function)

* [mmotm:master 138/210] drivers/gpu/drm/msm/msm_drv.c:781:19: error: 'q' undeclared here (not in a function)
@ 2016-08-03  2:01 kbuild test robot
  2016-08-03  2:09 ` Andrew Morton
  2016-08-03  2:09 ` Andrew Morton
  0 siblings, 2 replies; 3+ messages in thread
From: kbuild test robot @ 2016-08-03  2:01 UTC (permalink / raw)
  To: Andrew Morton
  Cc: kbuild-all, Linux Memory Management List, mmotm auto import,
	Johannes Weiner

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   572b7c98f12bd2213553be42cc5c2cbc5698f5c3
commit: 4cceb4d7a297fcaec3527e355e6881850fc50ed3 [138/210] linux-next-git-rejects
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 4cceb4d7a297fcaec3527e355e6881850fc50ed3
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/msm/msm_drv.c:781:19: error: 'q' undeclared here (not in a function)
        DRIVER_PRIME |q
                      ^
   In file included from drivers/gpu/drm/msm/msm_drv.h:37:0,
                    from drivers/gpu/drm/msm/msm_drv.c:18:
>> include/drm/drmP.h:157:25: error: expected '}' before numeric constant
    #define DRIVER_RENDER   0x8000
                            ^
>> drivers/gpu/drm/msm/msm_drv.c:782:5: note: in expansion of macro 'DRIVER_RENDER'
        DRIVER_RENDER |
        ^
   drivers/gpu/drm/msm/msm_drv.c: In function 'add_components_mdp':
>> drivers/gpu/drm/msm/msm_drv.c:933:2: error: 'ret' undeclared (first use in this function)
     ret = add_components_mdp(mdp_dev, matchptr);
     ^
   drivers/gpu/drm/msm/msm_drv.c:933:2: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/msm/msm_drv.c:935:26: error: 'dev' undeclared (first use in this function)
      of_platform_depopulate(dev);
                             ^
   drivers/gpu/drm/msm/msm_drv.c: At top level:
>> drivers/gpu/drm/msm/msm_drv.c:1020:34: error: redefinition of 'msm_gpu_match'
    static const struct of_device_id msm_gpu_match[] = {
                                     ^
   drivers/gpu/drm/msm/msm_drv.c:945:34: note: previous definition of 'msm_gpu_match' was here
    static const struct of_device_id msm_gpu_match[] = {
                                     ^
>> drivers/gpu/drm/msm/msm_drv.c:1026:12: error: redefinition of 'add_gpu_components'
    static int add_gpu_components(struct device *dev,
               ^
   drivers/gpu/drm/msm/msm_drv.c:951:12: note: previous definition of 'add_gpu_components' was here
    static int add_gpu_components(struct device *dev,
               ^
   drivers/gpu/drm/msm/msm_drv.c:493:12: warning: 'msm_open' defined but not used [-Wunused-function]
    static int msm_open(struct drm_device *dev, struct drm_file *file)
               ^
   drivers/gpu/drm/msm/msm_drv.c:511:13: warning: 'msm_preclose' defined but not used [-Wunused-function]
    static void msm_preclose(struct drm_device *dev, struct drm_file *file)
                ^
   drivers/gpu/drm/msm/msm_drv.c:524:13: warning: 'msm_lastclose' defined but not used [-Wunused-function]
    static void msm_lastclose(struct drm_device *dev)
                ^
   drivers/gpu/drm/msm/msm_drv.c:531:20: warning: 'msm_irq' defined but not used [-Wunused-function]
    static irqreturn_t msm_irq(int irq, void *arg)
                       ^
   drivers/gpu/drm/msm/msm_drv.c:540:13: warning: 'msm_irq_preinstall' defined but not used [-Wunused-function]
    static void msm_irq_preinstall(struct drm_device *dev)
                ^
   drivers/gpu/drm/msm/msm_drv.c:548:12: warning: 'msm_irq_postinstall' defined but not used [-Wunused-function]
    static int msm_irq_postinstall(struct drm_device *dev)
               ^
   drivers/gpu/drm/msm/msm_drv.c:556:13: warning: 'msm_irq_uninstall' defined but not used [-Wunused-function]
    static void msm_irq_uninstall(struct drm_device *dev)
                ^
   drivers/gpu/drm/msm/msm_drv.c:564:12: warning: 'msm_enable_vblank' defined but not used [-Wunused-function]
    static int msm_enable_vblank(struct drm_device *dev, unsigned int pipe)
               ^
   drivers/gpu/drm/msm/msm_drv.c:574:13: warning: 'msm_disable_vblank' defined but not used [-Wunused-function]
    static void msm_disable_vblank(struct drm_device *dev, unsigned int pipe)
                ^
   drivers/gpu/drm/msm/msm_drv.c:951:12: warning: 'add_gpu_components' defined but not used [-Wunused-function]
    static int add_gpu_components(struct device *dev,
               ^
   drivers/gpu/drm/msm/msm_drv.c: In function 'add_components_mdp':
   drivers/gpu/drm/msm/msm_drv.c:938:1: warning: control reaches end of non-void function [-Wreturn-type]
    }
    ^

vim +/q +781 drivers/gpu/drm/msm/msm_drv.c

   775		.mmap               = msm_gem_mmap,
   776	};
   777	
   778	static struct drm_driver msm_driver = {
   779		.driver_features    = DRIVER_HAVE_IRQ |
   780					DRIVER_GEM |
 > 781					DRIVER_PRIME |q
 > 782					DRIVER_RENDER |
   783					DRIVER_ATOMIC |
   784					DRIVER_MODESET,
   785		.open               = msm_open,
   786		.preclose           = msm_preclose,
   787		.lastclose          = msm_lastclose,
   788		.irq_handler        = msm_irq,
   789		.irq_preinstall     = msm_irq_preinstall,
   790		.irq_postinstall    = msm_irq_postinstall,
   791		.irq_uninstall      = msm_irq_uninstall,
   792		.get_vblank_counter = drm_vblank_no_hw_counter,
   793		.enable_vblank      = msm_enable_vblank,
   794		.disable_vblank     = msm_disable_vblank,
   795		.gem_free_object    = msm_gem_free_object,
   796		.gem_vm_ops         = &vm_ops,
   797		.dumb_create        = msm_gem_dumb_create,
   798		.dumb_map_offset    = msm_gem_dumb_map_offset,
   799		.dumb_destroy       = drm_gem_dumb_destroy,
   800		.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
   801		.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
   802		.gem_prime_export   = drm_gem_prime_export,
   803		.gem_prime_import   = drm_gem_prime_import,
   804		.gem_prime_pin      = msm_gem_prime_pin,
   805		.gem_prime_unpin    = msm_gem_prime_unpin,
   806		.gem_prime_get_sg_table = msm_gem_prime_get_sg_table,
   807		.gem_prime_import_sg_table = msm_gem_prime_import_sg_table,
   808		.gem_prime_vmap     = msm_gem_prime_vmap,
   809		.gem_prime_vunmap   = msm_gem_prime_vunmap,
   810		.gem_prime_mmap     = msm_gem_prime_mmap,
   811	#ifdef CONFIG_DEBUG_FS
   812		.debugfs_init       = msm_debugfs_init,
   813		.debugfs_cleanup    = msm_debugfs_cleanup,
   814	#endif
   815		.ioctls             = msm_ioctls,
   816		.num_ioctls         = DRM_MSM_NUM_IOCTLS,
   817		.fops               = &fops,
   818		.name               = "msm",
   819		.desc               = "MSM Snapdragon DRM",
   820		.date               = "20130625",
   821		.major              = MSM_VERSION_MAJOR,
   822		.minor              = MSM_VERSION_MINOR,
   823		.patchlevel         = MSM_VERSION_PATCHLEVEL,
   824	};
   825	
   826	#ifdef CONFIG_PM_SLEEP
   827	static int msm_pm_suspend(struct device *dev)
   828	{
   829		struct drm_device *ddev = dev_get_drvdata(dev);
   830	
   831		drm_kms_helper_poll_disable(ddev);
   832	
   833		return 0;
   834	}
   835	
   836	static int msm_pm_resume(struct device *dev)
   837	{
   838		struct drm_device *ddev = dev_get_drvdata(dev);
   839	
   840		drm_kms_helper_poll_enable(ddev);
   841	
   842		return 0;
   843	}
   844	#endif
   845	
   846	static const struct dev_pm_ops msm_pm_ops = {
   847		SET_SYSTEM_SLEEP_PM_OPS(msm_pm_suspend, msm_pm_resume)
   848	};
   849	
   850	/*
   851	 * Componentized driver support:
   852	 */
   853	
   854	/*
   855	 * NOTE: duplication of the same code as exynos or imx (or probably any other).
   856	 * so probably some room for some helpers
   857	 */
   858	static int compare_of(struct device *dev, void *data)
   859	{
   860		return dev->of_node == data;
   861	}
   862	
   863	static void release_of(struct device *dev, void *data)
   864	{
   865		of_node_put(data);
   866	}
   867	
   868	/*
   869	 * Identify what components need to be added by parsing what remote-endpoints
   870	 * our MDP output ports are connected to. In the case of LVDS on MDP4, there
   871	 * is no external component that we need to add since LVDS is within MDP4
   872	 * itself.
   873	 */
   874	static int add_components_mdp(struct device *mdp_dev,
   875				      struct component_match **matchptr)
   876	{
   877		struct device_node *np = mdp_dev->of_node;
   878		struct device_node *ep_node;
   879		struct device *master_dev;
   880	
   881		/*
   882		 * on MDP4 based platforms, the MDP platform device is the component
   883		 * master that adds other display interface components to itself.
   884		 *
   885		 * on MDP5 based platforms, the MDSS platform device is the component
   886		 * master that adds MDP5 and other display interface components to
   887		 * itself.
   888		 */
   889		if (of_device_is_compatible(np, "qcom,mdp4"))
   890			master_dev = mdp_dev;
   891		else
   892			master_dev = mdp_dev->parent;
   893	
   894		for_each_endpoint_of_node(np, ep_node) {
   895			struct device_node *intf;
   896			struct of_endpoint ep;
   897			int ret;
   898	
   899			ret = of_graph_parse_endpoint(ep_node, &ep);
   900			if (ret) {
   901				dev_err(mdp_dev, "unable to parse port endpoint\n");
   902				of_node_put(ep_node);
   903				return ret;
   904			}
   905	
   906			/*
   907			 * The LCDC/LVDS port on MDP4 is a speacial case where the
   908			 * remote-endpoint isn't a component that we need to add
   909			 */
   910			if (of_device_is_compatible(np, "qcom,mdp4") &&
   911			    ep.port == 0) {
   912				of_node_put(ep_node);
   913				continue;
   914			}
   915	
   916			/*
   917			 * It's okay if some of the ports don't have a remote endpoint
   918			 * specified. It just means that the port isn't connected to
   919			 * any external interface.
   920			 */
   921			intf = of_graph_get_remote_port_parent(ep_node);
   922			if (!intf) {
   923				of_node_put(ep_node);
   924				continue;
   925			}
   926	
   927			component_match_add_release(master_dev, matchptr, release_of,
   928						    compare_of, intf);
   929	
   930			of_node_put(ep_node);
   931		}
   932	
 > 933		ret = add_components_mdp(mdp_dev, matchptr);
   934		if (ret)
 > 935			of_platform_depopulate(dev);
   936	
   937		return ret;
   938	}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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