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Date:   Fri, 27 Aug 2021 16:00:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jolsa-perf:bpf/batch 19/27]
 drivers/media/platform/mtk-mdp/mtk_mdp_core.c:207:52: warning: implicit
 conversion from 'unsigned long long' to 'unsigned int' changes value from
 18446744073709551615 to 4294967295

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/batch
head:   b81b17307e02f8e6d4abf87e7ec2d7e5aea1e0b5
commit: 847fb4eb93cf46ad827ba84404d2c9d6998ea67f [19/27] bpf: Attach multi trampoline with ftrace_ops
config: riscv-buildonly-randconfig-r006-20210826 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1076082a0d97bd5c16a25ee7cf3dbb6ee4b5a9fe)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=847fb4eb93cf46ad827ba84404d2c9d6998ea67f
        git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
        git fetch --no-tags jolsa-perf bpf/batch
        git checkout 847fb4eb93cf46ad827ba84404d2c9d6998ea67f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/media/platform/mtk-mdp/mtk_mdp_core.c:22:
   In file included from drivers/media/platform/mtk-mdp/mtk_mdp_core.h:13:
   In file included from include/media/v4l2-device.h:13:
   In file included from include/media/v4l2-subdev.h:15:
   In file included from include/media/v4l2-common.h:105:
   In file included from include/linux/i2c.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:26:
   include/linux/ftrace.h:353:41: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                           ^
   include/linux/ftrace.h:353:5: warning: no previous prototype for function 'register_ftrace_direct_multi' [-Wmissing-prototypes]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:353:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   include/linux/ftrace.h:357:43: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
                                             ^
   include/linux/ftrace.h:357:5: warning: no previous prototype for function 'unregister_ftrace_direct_multi' [-Wmissing-prototypes]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
       ^
   include/linux/ftrace.h:357:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
   ^
   static 
   include/linux/ftrace.h:361:39: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                         ^
   include/linux/ftrace.h:361:5: warning: no previous prototype for function 'modify_ftrace_direct_multi' [-Wmissing-prototypes]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:361:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   In file included from drivers/media/platform/mtk-mdp/mtk_mdp_core.c:22:
   In file included from drivers/media/platform/mtk-mdp/mtk_mdp_core.h:13:
   In file included from include/media/v4l2-device.h:13:
   In file included from include/media/v4l2-subdev.h:15:
   In file included from include/media/v4l2-common.h:105:
   In file included from include/linux/i2c.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   include/linux/bpf.h:707:20: error: field has incomplete type 'struct ftrace_ops'
           struct ftrace_ops ops;
                             ^
   include/linux/bpf.h:707:9: note: forward declaration of 'struct ftrace_ops'
           struct ftrace_ops ops;
                  ^
   drivers/media/platform/mtk-mdp/mtk_mdp_core.c:151:15: warning: cast to smaller integer type 'enum mtk_mdp_comp_type' from 'const void *' [-Wvoid-pointer-to-enum-cast]
                   comp_type = (enum mtk_mdp_comp_type)of_id->data;
                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/mtk-mdp/mtk_mdp_core.c:207:52: warning: implicit conversion from 'unsigned long long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
           ret = vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~             ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:40: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                          ^~~~~
   8 warnings and 1 error generated.
--
   In file included from drivers/media/platform/s5p-mfc/s5p_mfc.c:24:
   In file included from drivers/media/platform/s5p-mfc/s5p_mfc_common.h:18:
   In file included from include/media/v4l2-device.h:13:
   In file included from include/media/v4l2-subdev.h:15:
   In file included from include/media/v4l2-common.h:105:
   In file included from include/linux/i2c.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:26:
   include/linux/ftrace.h:353:41: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                           ^
   include/linux/ftrace.h:353:5: warning: no previous prototype for function 'register_ftrace_direct_multi' [-Wmissing-prototypes]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:353:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   include/linux/ftrace.h:357:43: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
                                             ^
   include/linux/ftrace.h:357:5: warning: no previous prototype for function 'unregister_ftrace_direct_multi' [-Wmissing-prototypes]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
       ^
   include/linux/ftrace.h:357:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
   ^
   static 
   include/linux/ftrace.h:361:39: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                         ^
   include/linux/ftrace.h:361:5: warning: no previous prototype for function 'modify_ftrace_direct_multi' [-Wmissing-prototypes]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:361:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   In file included from drivers/media/platform/s5p-mfc/s5p_mfc.c:24:
   In file included from drivers/media/platform/s5p-mfc/s5p_mfc_common.h:18:
   In file included from include/media/v4l2-device.h:13:
   In file included from include/media/v4l2-subdev.h:15:
   In file included from include/media/v4l2-common.h:105:
   In file included from include/linux/i2c.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   include/linux/bpf.h:707:20: error: field has incomplete type 'struct ftrace_ops'
           struct ftrace_ops ops;
                             ^
   include/linux/bpf.h:707:9: note: forward declaration of 'struct ftrace_ops'
           struct ftrace_ops ops;
                  ^
>> drivers/media/platform/s5p-mfc/s5p_mfc.c:1169:6: warning: implicit conversion from 'unsigned long long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
                                           DMA_BIT_MASK(32));
                                           ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:40: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                          ^~~~~
   drivers/media/platform/s5p-mfc/s5p_mfc.c:1171:6: warning: implicit conversion from 'unsigned long long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
                                           DMA_BIT_MASK(32));
                                           ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:40: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                          ^~~~~
   drivers/media/platform/s5p-mfc/s5p_mfc.c:1230:39: warning: implicit conversion from 'unsigned long long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
           vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~      ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:40: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                          ^~~~~
   9 warnings and 1 error generated.
--
   In file included from drivers/gpu/drm/exynos/exynos_drm_dma.c:15:
   In file included from drivers/gpu/drm/exynos/exynos_drm_drv.h:16:
   In file included from include/drm/drm_crtc.h:28:
   In file included from include/linux/i2c.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:26:
   include/linux/ftrace.h:353:41: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                           ^
   include/linux/ftrace.h:353:5: warning: no previous prototype for function 'register_ftrace_direct_multi' [-Wmissing-prototypes]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:353:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   include/linux/ftrace.h:357:43: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
                                             ^
   include/linux/ftrace.h:357:5: warning: no previous prototype for function 'unregister_ftrace_direct_multi' [-Wmissing-prototypes]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
       ^
   include/linux/ftrace.h:357:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
   ^
   static 
   include/linux/ftrace.h:361:39: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                         ^
   include/linux/ftrace.h:361:5: warning: no previous prototype for function 'modify_ftrace_direct_multi' [-Wmissing-prototypes]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:361:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   In file included from drivers/gpu/drm/exynos/exynos_drm_dma.c:15:
   In file included from drivers/gpu/drm/exynos/exynos_drm_drv.h:16:
   In file included from include/drm/drm_crtc.h:28:
   In file included from include/linux/i2c.h:18:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   include/linux/bpf.h:707:20: error: field has incomplete type 'struct ftrace_ops'
           struct ftrace_ops ops;
                             ^
   include/linux/bpf.h:707:9: note: forward declaration of 'struct ftrace_ops'
           struct ftrace_ops ops;
                  ^
>> drivers/gpu/drm/exynos/exynos_drm_dma.c:55:35: warning: implicit conversion from 'unsigned long long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
           dma_set_max_seg_size(subdrv_dev, DMA_BIT_MASK(32));
           ~~~~~~~~~~~~~~~~~~~~             ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:40: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                          ^~~~~
   7 warnings and 1 error generated.
--
   In file included from drivers/net/ethernet/hisilicon/hns/hns_enet.c:8:
   In file included from include/linux/etherdevice.h:21:
   In file included from include/linux/netdevice.h:41:
   In file included from include/net/netprio_cgroup.h:11:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:26:
   include/linux/ftrace.h:353:41: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                           ^
   include/linux/ftrace.h:353:5: warning: no previous prototype for function 'register_ftrace_direct_multi' [-Wmissing-prototypes]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:353:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   include/linux/ftrace.h:357:43: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
                                             ^
   include/linux/ftrace.h:357:5: warning: no previous prototype for function 'unregister_ftrace_direct_multi' [-Wmissing-prototypes]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
       ^
   include/linux/ftrace.h:357:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
   ^
   static 
   include/linux/ftrace.h:361:39: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                         ^
   include/linux/ftrace.h:361:5: warning: no previous prototype for function 'modify_ftrace_direct_multi' [-Wmissing-prototypes]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:361:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   In file included from drivers/net/ethernet/hisilicon/hns/hns_enet.c:8:
   In file included from include/linux/etherdevice.h:21:
   In file included from include/linux/netdevice.h:41:
   In file included from include/net/netprio_cgroup.h:11:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   include/linux/bpf.h:707:20: error: field has incomplete type 'struct ftrace_ops'
           struct ftrace_ops ops;
                             ^
   include/linux/bpf.h:707:9: note: forward declaration of 'struct ftrace_ops'
           struct ftrace_ops ops;
                  ^
>> drivers/net/ethernet/hisilicon/hns/hns_enet.c:2355:38: warning: shift count >= width of type [-Wshift-count-overflow]
           if (!dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
                                               ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                                        ^ ~~~
   7 warnings and 1 error generated.
--
   In file included from drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c:12:
   In file included from include/linux/netdevice.h:41:
   In file included from include/net/netprio_cgroup.h:11:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:26:
   include/linux/ftrace.h:353:41: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                           ^
   include/linux/ftrace.h:353:5: warning: no previous prototype for function 'register_ftrace_direct_multi' [-Wmissing-prototypes]
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:353:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   include/linux/ftrace.h:357:43: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
                                             ^
   include/linux/ftrace.h:357:5: warning: no previous prototype for function 'unregister_ftrace_direct_multi' [-Wmissing-prototypes]
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
       ^
   include/linux/ftrace.h:357:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
   ^
   static 
   include/linux/ftrace.h:361:39: warning: declaration of 'struct ftrace_ops' will not be visible outside of this function [-Wvisibility]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
                                         ^
   include/linux/ftrace.h:361:5: warning: no previous prototype for function 'modify_ftrace_direct_multi' [-Wmissing-prototypes]
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
       ^
   include/linux/ftrace.h:361:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
   ^
   static 
   In file included from drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c:12:
   In file included from include/linux/netdevice.h:41:
   In file included from include/net/netprio_cgroup.h:11:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   include/linux/bpf.h:707:20: error: field has incomplete type 'struct ftrace_ops'
           struct ftrace_ops ops;
                             ^
   include/linux/bpf.h:707:9: note: forward declaration of 'struct ftrace_ops'
           struct ftrace_ops ops;
                  ^
>> drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c:200:48: warning: shift count >= width of type [-Wshift-count-overflow]
           if (!dma_set_mask_and_coherent(dsaf_dev->dev, DMA_BIT_MASK(64ULL)))
                                                         ^~~~~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                                        ^ ~~~
   7 warnings and 1 error generated.
..


vim +207 drivers/media/platform/mtk-mdp/mtk_mdp_core.c

86698b9505bbc9 Eizan Miyamoto   2020-05-07  105  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  106  static int mtk_mdp_probe(struct platform_device *pdev)
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  107  {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  108  	struct mtk_mdp_dev *mdp;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  109  	struct device *dev = &pdev->dev;
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  110  	struct device_node *node, *parent;
86698b9505bbc9 Eizan Miyamoto   2020-05-07  111  	struct mtk_mdp_comp *comp, *comp_temp;
86698b9505bbc9 Eizan Miyamoto   2020-05-07  112  	int ret = 0;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  113  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  114  	mdp = devm_kzalloc(dev, sizeof(*mdp), GFP_KERNEL);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  115  	if (!mdp)
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  116  		return -ENOMEM;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  117  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  118  	mdp->id = pdev->id;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  119  	mdp->pdev = pdev;
86698b9505bbc9 Eizan Miyamoto   2020-05-07  120  	INIT_LIST_HEAD(&mdp->comp_list);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  121  	INIT_LIST_HEAD(&mdp->ctx_list);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  122  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  123  	mutex_init(&mdp->lock);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  124  	mutex_init(&mdp->vpulock);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  125  
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  126  	/* Old dts had the components as child nodes */
864919ea0380e6 Matthias Brugger 2019-06-21  127  	node = of_get_next_child(dev->of_node, NULL);
864919ea0380e6 Matthias Brugger 2019-06-21  128  	if (node) {
864919ea0380e6 Matthias Brugger 2019-06-21  129  		of_node_put(node);
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  130  		parent = dev->of_node;
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  131  		dev_warn(dev, "device tree is out of date\n");
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  132  	} else {
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  133  		parent = dev->of_node->parent;
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  134  	}
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  135  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  136  	/* Iterate over sibling MDP function blocks */
ba1f1f70c2c08f Daniel Kurtz     2017-05-23  137  	for_each_child_of_node(parent, node) {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  138  		const struct of_device_id *of_id;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  139  		enum mtk_mdp_comp_type comp_type;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  140  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  141  		of_id = of_match_node(mtk_mdp_comp_dt_ids, node);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  142  		if (!of_id)
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  143  			continue;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  144  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  145  		if (!of_device_is_available(node)) {
68d9c47b1679ec Rob Herring      2017-07-21  146  			dev_err(dev, "Skipping disabled component %pOF\n",
68d9c47b1679ec Rob Herring      2017-07-21  147  				node);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  148  			continue;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  149  		}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  150  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  151  		comp_type = (enum mtk_mdp_comp_type)of_id->data;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  152  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  153  		comp = devm_kzalloc(dev, sizeof(*comp), GFP_KERNEL);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  154  		if (!comp) {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  155  			ret = -ENOMEM;
22ff7d4ca3f748 Nishka Dasgupta  2019-07-09  156  			of_node_put(node);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  157  			goto err_comp;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  158  		}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  159  
37e278c801078d Eizan Miyamoto   2020-05-07  160  		ret = mtk_mdp_comp_init(dev, node, comp, comp_type);
22ff7d4ca3f748 Nishka Dasgupta  2019-07-09  161  		if (ret) {
22ff7d4ca3f748 Nishka Dasgupta  2019-07-09  162  			of_node_put(node);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  163  			goto err_comp;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  164  		}
86698b9505bbc9 Eizan Miyamoto   2020-05-07  165  
86698b9505bbc9 Eizan Miyamoto   2020-05-07  166  		mtk_mdp_register_component(mdp, comp);
22ff7d4ca3f748 Nishka Dasgupta  2019-07-09  167  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  168  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  169  	mdp->job_wq = create_singlethread_workqueue(MTK_MDP_MODULE_NAME);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  170  	if (!mdp->job_wq) {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  171  		dev_err(&pdev->dev, "unable to alloc job workqueue\n");
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  172  		ret = -ENOMEM;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  173  		goto err_alloc_job_wq;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  174  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  175  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  176  	mdp->wdt_wq = create_singlethread_workqueue("mdp_wdt_wq");
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  177  	if (!mdp->wdt_wq) {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  178  		dev_err(&pdev->dev, "unable to alloc wdt workqueue\n");
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  179  		ret = -ENOMEM;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  180  		goto err_alloc_wdt_wq;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  181  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  182  	INIT_WORK(&mdp->wdt_work, mtk_mdp_wdt_worker);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  183  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  184  	ret = v4l2_device_register(dev, &mdp->v4l2_dev);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  185  	if (ret) {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  186  		dev_err(&pdev->dev, "Failed to register v4l2 device\n");
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  187  		ret = -EINVAL;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  188  		goto err_dev_register;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  189  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  190  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  191  	ret = mtk_mdp_register_m2m_device(mdp);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  192  	if (ret) {
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  193  		v4l2_err(&mdp->v4l2_dev, "Failed to init mem2mem device\n");
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  194  		goto err_m2m_register;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  195  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  196  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  197  	mdp->vpu_dev = vpu_get_plat_device(pdev);
ee18fc7b0b9517 Eizan Miyamoto   2020-05-07  198  	ret = vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  199  				  VPU_RST_MDP);
ee18fc7b0b9517 Eizan Miyamoto   2020-05-07  200  	if (ret) {
ee18fc7b0b9517 Eizan Miyamoto   2020-05-07  201  		dev_err(&pdev->dev, "Failed to register reset handler\n");
ee18fc7b0b9517 Eizan Miyamoto   2020-05-07  202  		goto err_m2m_register;
ee18fc7b0b9517 Eizan Miyamoto   2020-05-07  203  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  204  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  205  	platform_set_drvdata(pdev, mdp);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  206  
256a12e1a343e1 Eizan Miyamoto   2020-05-07 @207  	ret = vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
256a12e1a343e1 Eizan Miyamoto   2020-05-07  208  	if (ret) {
256a12e1a343e1 Eizan Miyamoto   2020-05-07  209  		dev_err(&pdev->dev, "Failed to set vb2 dma mag seg size\n");
256a12e1a343e1 Eizan Miyamoto   2020-05-07  210  		goto err_m2m_register;
256a12e1a343e1 Eizan Miyamoto   2020-05-07  211  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  212  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  213  	pm_runtime_enable(dev);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  214  	dev_dbg(dev, "mdp-%d registered successfully\n", mdp->id);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  215  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  216  	return 0;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  217  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  218  err_m2m_register:
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  219  	v4l2_device_unregister(&mdp->v4l2_dev);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  220  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  221  err_dev_register:
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  222  	destroy_workqueue(mdp->wdt_wq);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  223  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  224  err_alloc_wdt_wq:
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  225  	destroy_workqueue(mdp->job_wq);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  226  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  227  err_alloc_job_wq:
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  228  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  229  err_comp:
86698b9505bbc9 Eizan Miyamoto   2020-05-07  230  	list_for_each_entry_safe(comp, comp_temp, &mdp->comp_list, node) {
86698b9505bbc9 Eizan Miyamoto   2020-05-07  231  		mtk_mdp_unregister_component(mdp, comp);
86698b9505bbc9 Eizan Miyamoto   2020-05-07  232  		mtk_mdp_comp_deinit(dev, comp);
86698b9505bbc9 Eizan Miyamoto   2020-05-07  233  	}
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  234  
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  235  	dev_dbg(dev, "err %d\n", ret);
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  236  	return ret;
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  237  }
c8eb2d7e8202fd Minghsiu Tsai    2016-09-08  238  

:::::: The code at line 207 was first introduced by commit
:::::: 256a12e1a343e1efff00a9065063f0846d219336 media: mtk-mdp: handle vb2_dma_contig_set_max_seg_size errors during probe

:::::: TO: Eizan Miyamoto <eizan@...omium.org>
:::::: CC: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

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

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