[kbuild-all] [freescale-fslc:pr/300 15408/18036] drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c:79:17: error: no previous prototype for 'viv_gem_prime_export'

Hi Xianzhong, FYI, the error/warning still remains. tree: https://github.com/Freescale/linux-fslc pr/300 head: e9a7181f47e007a9866934b3ff51bb6c3d22b9e2 commit: 0cbc4419bd2f810d1689d81f24884bb527bbe5fd [15408/18036] MGS-4929 [#imx-2382] enable vivante drm for linux build config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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 # https://github.com/Freescale/linux-fslc/commit/0cbc4419bd2f810d1689d81f24... git remote add freescale-fslc https://github.com/Freescale/linux-fslc git fetch --no-tags freescale-fslc pr/300 git checkout 0cbc4419bd2f810d1689d81f24884bb527bbe5fd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): cc1: error: arch/arm/mm: No such file or directory [-Werror=missing-include-dirs] 79 | struct dma_buf *viv_gem_prime_export(struct drm_gem_object *gem_obj, | ^~~~~~~~~~~~~~~~~~~~ 103 | struct drm_gem_object *viv_gem_prime_import(struct drm_device *drm, | ^~~~~~~~~~~~~~~~~~~~ 145 | void viv_gem_free_object(struct drm_gem_object *gem_obj) | ^~~~~~~~~~~~~~~~~~~ drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c: In function 'viv_ioctl_gem_create': 166 | int ret = 0; | ^~~ drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c: At top level: 739 | int viv_drm_open(struct drm_device *drm, struct drm_file *file) | ^~~~~~~~~~~~ 759 | void viv_drm_postclose(struct drm_device *drm, struct drm_file *file) | ^~~~~~~~~~~~~~~~~ 814 | int viv_drm_probe(struct device *dev) | ^~~~~~~~~~~~~ 856 | int viv_drm_remove(struct device *dev) | ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/viv_gem_prime_export +79 drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c 30638182fdab7c Xianzhong 2019-01-29 77 9821cda5105e7d Richard Liu 2019-12-25 78 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5,4,0) 9821cda5105e7d Richard Liu 2019-12-25 @79 struct dma_buf *viv_gem_prime_export(struct drm_gem_object *gem_obj, 9821cda5105e7d Richard Liu 2019-12-25 80 int flags) 9821cda5105e7d Richard Liu 2019-12-25 81 { 9821cda5105e7d Richard Liu 2019-12-25 82 struct drm_device *drm = gem_obj->dev; 9821cda5105e7d Richard Liu 2019-12-25 83 #else 30638182fdab7c Xianzhong 2019-01-29 84 struct dma_buf *viv_gem_prime_export(struct drm_device *drm, 30638182fdab7c Xianzhong 2019-01-29 85 struct drm_gem_object *gem_obj, 30638182fdab7c Xianzhong 2019-01-29 86 int flags) 30638182fdab7c Xianzhong 2019-01-29 87 { 9821cda5105e7d Richard Liu 2019-12-25 88 #endif 30638182fdab7c Xianzhong 2019-01-29 89 struct viv_gem_object *viv_obj = container_of(gem_obj, struct viv_gem_object, base); 30638182fdab7c Xianzhong 2019-01-29 90 struct dma_buf *dmabuf = gcvNULL; 30638182fdab7c Xianzhong 2019-01-29 91 gckGALDEVICE gal_dev = (gckGALDEVICE)drm->dev_private; 30638182fdab7c Xianzhong 2019-01-29 92 30638182fdab7c Xianzhong 2019-01-29 93 if (gal_dev) 30638182fdab7c Xianzhong 2019-01-29 94 { 30638182fdab7c Xianzhong 2019-01-29 95 gckKERNEL kernel = gal_dev->device->map[gal_dev->device->defaultHwType].kernels[0]; e9371a70921300 Minjie Zhuang 2019-09-23 96 gcmkVERIFY_OK(gckVIDMEM_NODE_Export(kernel, viv_obj->node_object, flags, 30638182fdab7c Xianzhong 2019-01-29 97 (gctPOINTER*)&dmabuf, gcvNULL)); 30638182fdab7c Xianzhong 2019-01-29 98 } 30638182fdab7c Xianzhong 2019-01-29 99 30638182fdab7c Xianzhong 2019-01-29 100 return dmabuf; 30638182fdab7c Xianzhong 2019-01-29 101 } 30638182fdab7c Xianzhong 2019-01-29 102 30638182fdab7c Xianzhong 2019-01-29 @103 struct drm_gem_object *viv_gem_prime_import(struct drm_device *drm, 30638182fdab7c Xianzhong 2019-01-29 104 struct dma_buf *dmabuf) 30638182fdab7c Xianzhong 2019-01-29 105 { 30638182fdab7c Xianzhong 2019-01-29 106 struct drm_gem_object *gem_obj = gcvNULL; 30638182fdab7c Xianzhong 2019-01-29 107 struct viv_gem_object *viv_obj; 30638182fdab7c Xianzhong 2019-01-29 108 30638182fdab7c Xianzhong 2019-01-29 109 gcsHAL_INTERFACE iface; 30638182fdab7c Xianzhong 2019-01-29 110 gckGALDEVICE gal_dev; 30638182fdab7c Xianzhong 2019-01-29 111 gckKERNEL kernel; 30638182fdab7c Xianzhong 2019-01-29 112 gctUINT32 processID; 30638182fdab7c Xianzhong 2019-01-29 113 gckVIDMEM_NODE nodeObject; 30638182fdab7c Xianzhong 2019-01-29 114 gceSTATUS status = gcvSTATUS_OK; 30638182fdab7c Xianzhong 2019-01-29 115 30638182fdab7c Xianzhong 2019-01-29 116 gal_dev = (gckGALDEVICE)drm->dev_private; 30638182fdab7c Xianzhong 2019-01-29 117 if (!gal_dev) 30638182fdab7c Xianzhong 2019-01-29 118 { 30638182fdab7c Xianzhong 2019-01-29 119 gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT); 30638182fdab7c Xianzhong 2019-01-29 120 } 30638182fdab7c Xianzhong 2019-01-29 121 30638182fdab7c Xianzhong 2019-01-29 122 gckOS_ZeroMemory(&iface, sizeof(iface)); 30638182fdab7c Xianzhong 2019-01-29 123 iface.command = gcvHAL_WRAP_USER_MEMORY; 30638182fdab7c Xianzhong 2019-01-29 124 iface.hardwareType = gal_dev->device->defaultHwType; 30638182fdab7c Xianzhong 2019-01-29 125 iface.u.WrapUserMemory.desc.flag = gcvALLOC_FLAG_DMABUF; 30638182fdab7c Xianzhong 2019-01-29 126 iface.u.WrapUserMemory.desc.handle = -1; 30638182fdab7c Xianzhong 2019-01-29 127 iface.u.WrapUserMemory.desc.dmabuf = gcmPTR_TO_UINT64(dmabuf); 30638182fdab7c Xianzhong 2019-01-29 128 gcmkONERROR(gckDEVICE_Dispatch(gal_dev->device, &iface)); 30638182fdab7c Xianzhong 2019-01-29 129 30638182fdab7c Xianzhong 2019-01-29 130 kernel = gal_dev->device->map[gal_dev->device->defaultHwType].kernels[0]; 30638182fdab7c Xianzhong 2019-01-29 131 gcmkONERROR(gckOS_GetProcessID(&processID)); 30638182fdab7c Xianzhong 2019-01-29 132 gcmkONERROR(gckVIDMEM_HANDLE_Lookup(kernel, processID, iface.u.WrapUserMemory.node, &nodeObject)); 30638182fdab7c Xianzhong 2019-01-29 133 30638182fdab7c Xianzhong 2019-01-29 134 /* ioctl output */ 30638182fdab7c Xianzhong 2019-01-29 135 gem_obj = kzalloc(sizeof(struct viv_gem_object), GFP_KERNEL); 30638182fdab7c Xianzhong 2019-01-29 136 drm_gem_private_object_init(drm, gem_obj, dmabuf->size); 30638182fdab7c Xianzhong 2019-01-29 137 viv_obj = container_of(gem_obj, struct viv_gem_object, base); 30638182fdab7c Xianzhong 2019-01-29 138 viv_obj->node_handle = iface.u.WrapUserMemory.node; 30638182fdab7c Xianzhong 2019-01-29 139 viv_obj->node_object = nodeObject; 30638182fdab7c Xianzhong 2019-01-29 140 30638182fdab7c Xianzhong 2019-01-29 141 OnError: 30638182fdab7c Xianzhong 2019-01-29 142 return gem_obj; 30638182fdab7c Xianzhong 2019-01-29 143 } 30638182fdab7c Xianzhong 2019-01-29 144 30638182fdab7c Xianzhong 2019-01-29 @145 void viv_gem_free_object(struct drm_gem_object *gem_obj) 30638182fdab7c Xianzhong 2019-01-29 146 { 30638182fdab7c Xianzhong 2019-01-29 147 struct viv_gem_object *viv_obj = container_of(gem_obj, struct viv_gem_object, base); 30638182fdab7c Xianzhong 2019-01-29 148 struct drm_device *drm = gem_obj->dev; 30638182fdab7c Xianzhong 2019-01-29 149 30638182fdab7c Xianzhong 2019-01-29 150 gcsHAL_INTERFACE iface; 30638182fdab7c Xianzhong 2019-01-29 151 gckGALDEVICE gal_dev = (gckGALDEVICE)drm->dev_private; 30638182fdab7c Xianzhong 2019-01-29 152 30638182fdab7c Xianzhong 2019-01-29 153 gckOS_ZeroMemory(&iface, sizeof(iface)); 30638182fdab7c Xianzhong 2019-01-29 154 iface.command = gcvHAL_RELEASE_VIDEO_MEMORY; 30638182fdab7c Xianzhong 2019-01-29 155 iface.hardwareType = gal_dev->device->defaultHwType; 30638182fdab7c Xianzhong 2019-01-29 156 iface.u.ReleaseVideoMemory.node = viv_obj->node_handle; 30638182fdab7c Xianzhong 2019-01-29 157 gcmkVERIFY_OK(gckDEVICE_Dispatch(gal_dev->device, &iface)); 30638182fdab7c Xianzhong 2019-01-29 158 30638182fdab7c Xianzhong 2019-01-29 159 drm_gem_object_release(gem_obj); 30638182fdab7c Xianzhong 2019-01-29 160 kfree(gem_obj); 30638182fdab7c Xianzhong 2019-01-29 161 } 30638182fdab7c Xianzhong 2019-01-29 162 30638182fdab7c Xianzhong 2019-01-29 163 static int viv_ioctl_gem_create(struct drm_device *drm, void *data, 30638182fdab7c Xianzhong 2019-01-29 164 struct drm_file *file) 30638182fdab7c Xianzhong 2019-01-29 165 { 30638182fdab7c Xianzhong 2019-01-29 @166 int ret = 0; 30638182fdab7c Xianzhong 2019-01-29 167 struct drm_viv_gem_create *args = (struct drm_viv_gem_create*)data; 30638182fdab7c Xianzhong 2019-01-29 168 struct drm_gem_object *gem_obj = gcvNULL; 30638182fdab7c Xianzhong 2019-01-29 169 struct viv_gem_object *viv_obj = gcvNULL; 30638182fdab7c Xianzhong 2019-01-29 170 30638182fdab7c Xianzhong 2019-01-29 171 gcsHAL_INTERFACE iface; 30638182fdab7c Xianzhong 2019-01-29 172 gckGALDEVICE gal_dev; 30638182fdab7c Xianzhong 2019-01-29 173 gckKERNEL kernel; 30638182fdab7c Xianzhong 2019-01-29 174 gctUINT32 processID; 30638182fdab7c Xianzhong 2019-01-29 175 gckVIDMEM_NODE nodeObject; 30638182fdab7c Xianzhong 2019-01-29 176 gctUINT32 flags = gcvALLOC_FLAG_DMABUF_EXPORTABLE; 30638182fdab7c Xianzhong 2019-01-29 177 gceSTATUS status = gcvSTATUS_OK; e9371a70921300 Minjie Zhuang 2019-09-23 178 gctUINT64 alignSize = PAGE_ALIGN(args->size); 30638182fdab7c Xianzhong 2019-01-29 179 30638182fdab7c Xianzhong 2019-01-29 180 gal_dev = (gckGALDEVICE)drm->dev_private; 30638182fdab7c Xianzhong 2019-01-29 181 if (!gal_dev) 30638182fdab7c Xianzhong 2019-01-29 182 { 30638182fdab7c Xianzhong 2019-01-29 183 gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT); 30638182fdab7c Xianzhong 2019-01-29 184 } 30638182fdab7c Xianzhong 2019-01-29 185 30638182fdab7c Xianzhong 2019-01-29 186 if (args->flags & DRM_VIV_GEM_CONTIGUOUS) 30638182fdab7c Xianzhong 2019-01-29 187 { 30638182fdab7c Xianzhong 2019-01-29 188 flags |= gcvALLOC_FLAG_CONTIGUOUS; 30638182fdab7c Xianzhong 2019-01-29 189 } 30638182fdab7c Xianzhong 2019-01-29 190 if (args->flags & DRM_VIV_GEM_CACHED) 30638182fdab7c Xianzhong 2019-01-29 191 { 30638182fdab7c Xianzhong 2019-01-29 192 flags |= gcvALLOC_FLAG_CACHEABLE; 30638182fdab7c Xianzhong 2019-01-29 193 } 30638182fdab7c Xianzhong 2019-01-29 194 if (args->flags & DRM_VIV_GEM_SECURE) 30638182fdab7c Xianzhong 2019-01-29 195 { 30638182fdab7c Xianzhong 2019-01-29 196 flags |= gcvALLOC_FLAG_SECURITY; 30638182fdab7c Xianzhong 2019-01-29 197 } 30638182fdab7c Xianzhong 2019-01-29 198 if (args->flags & DRM_VIV_GEM_CMA_LIMIT) 30638182fdab7c Xianzhong 2019-01-29 199 { 30638182fdab7c Xianzhong 2019-01-29 200 flags |= gcvALLOC_FLAG_CMA_LIMIT; 30638182fdab7c Xianzhong 2019-01-29 201 } 30638182fdab7c Xianzhong 2019-01-29 202 30638182fdab7c Xianzhong 2019-01-29 203 gckOS_ZeroMemory(&iface, sizeof(iface)); 30638182fdab7c Xianzhong 2019-01-29 204 iface.command = gcvHAL_ALLOCATE_LINEAR_VIDEO_MEMORY; 30638182fdab7c Xianzhong 2019-01-29 205 iface.hardwareType = gal_dev->device->defaultHwType; e9371a70921300 Minjie Zhuang 2019-09-23 206 iface.u.AllocateLinearVideoMemory.bytes = alignSize; 30638182fdab7c Xianzhong 2019-01-29 207 iface.u.AllocateLinearVideoMemory.alignment = 256; e9371a70921300 Minjie Zhuang 2019-09-23 208 iface.u.AllocateLinearVideoMemory.type = gcvVIDMEM_TYPE_GENERIC; 30638182fdab7c Xianzhong 2019-01-29 209 iface.u.AllocateLinearVideoMemory.flag = flags; e9371a70921300 Minjie Zhuang 2019-09-23 210 iface.u.AllocateLinearVideoMemory.pool = gcvPOOL_DEFAULT; 30638182fdab7c Xianzhong 2019-01-29 211 gcmkONERROR(gckDEVICE_Dispatch(gal_dev->device, &iface)); 30638182fdab7c Xianzhong 2019-01-29 212 30638182fdab7c Xianzhong 2019-01-29 213 kernel = gal_dev->device->map[gal_dev->device->defaultHwType].kernels[0]; 30638182fdab7c Xianzhong 2019-01-29 214 gcmkONERROR(gckOS_GetProcessID(&processID)); 30638182fdab7c Xianzhong 2019-01-29 215 gcmkONERROR(gckVIDMEM_HANDLE_Lookup(kernel, processID, iface.u.AllocateLinearVideoMemory.node, &nodeObject)); 30638182fdab7c Xianzhong 2019-01-29 216 30638182fdab7c Xianzhong 2019-01-29 217 /* ioctl output */ 30638182fdab7c Xianzhong 2019-01-29 218 gem_obj = kzalloc(sizeof(struct viv_gem_object), GFP_KERNEL); e9371a70921300 Minjie Zhuang 2019-09-23 219 drm_gem_private_object_init(drm, gem_obj, (size_t)alignSize); 30638182fdab7c Xianzhong 2019-01-29 220 ret = drm_gem_handle_create(file, gem_obj, &args->handle); 30638182fdab7c Xianzhong 2019-01-29 221 30638182fdab7c Xianzhong 2019-01-29 222 viv_obj = container_of(gem_obj, struct viv_gem_object, base); 30638182fdab7c Xianzhong 2019-01-29 223 viv_obj->node_handle = iface.u.AllocateLinearVideoMemory.node; 30638182fdab7c Xianzhong 2019-01-29 224 viv_obj->node_object = nodeObject; 30638182fdab7c Xianzhong 2019-01-29 225 viv_obj->cacheable = flags & gcvALLOC_FLAG_CACHEABLE; 30638182fdab7c Xianzhong 2019-01-29 226 30638182fdab7c Xianzhong 2019-01-29 227 /* drop reference from allocate - handle holds it now */ 30638182fdab7c Xianzhong 2019-01-29 228 drm_gem_object_unreference_unlocked(gem_obj); 30638182fdab7c Xianzhong 2019-01-29 229 30638182fdab7c Xianzhong 2019-01-29 230 OnError: 30638182fdab7c Xianzhong 2019-01-29 231 return gcmIS_ERROR(status) ? -ENOTTY : 0; 30638182fdab7c Xianzhong 2019-01-29 232 } 30638182fdab7c Xianzhong 2019-01-29 233 :::::: The code at line 79 was first introduced by commit :::::: 9821cda5105e7d6bf026a4f21f927745a3f6b931 MA-16168 [#imx-1903] Fix GPU driver build error and not work issue on 5.4 kernel :::::: TO: Richard Liu <xuegang.liu(a)nxp.com&gt; :::::: CC: Xianzhong <xianzhong.li(a)nxp.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org