Re: [PATCH RFC v3 4/6] drm/sprd: add Unisoc's drm display controller driver

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

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Hi Kevin,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v5.6-rc2]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Kevin-Tang/Add-Unisoc-s-drm-kms-module/20200222-125500
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/sprd/sprd_dpu.c: In function 'sprd_dpu_context_init':
>> drivers/gpu/drm/sprd/sprd_dpu.c:603:29: error: implicit declaration of function 'ioremap_nocache'; did you mean 'ioremap_cache'? [-Werror=implicit-function-declaration]
     ctx->base = (unsigned long)ioremap_nocache(r.start,
                                ^~~~~~~~~~~~~~~
                                ioremap_cache
   cc1: some warnings being treated as errors
--
>> drivers/gpu/drm/sprd/dpu/dpu_r2p0.c:9:10: fatal error: sprd_dpu.h: No such file or directory
    #include "sprd_dpu.h"
             ^~~~~~~~~~~~
   compilation terminated.

vim +603 drivers/gpu/drm/sprd/sprd_dpu.c

   592	
   593	static int sprd_dpu_context_init(struct sprd_dpu *dpu,
   594					struct device_node *np)
   595	{
   596		struct resource r;
   597		struct dpu_context *ctx = &dpu->ctx;
   598	
   599		if (of_address_to_resource(np, 0, &r)) {
   600			DRM_ERROR("parse dt base address failed\n");
   601			return -ENODEV;
   602		}
 > 603		ctx->base = (unsigned long)ioremap_nocache(r.start,
   604						resource_size(&r));
   605		if (ctx->base == 0) {
   606			DRM_ERROR("ioremap base address failed\n");
   607			return -EFAULT;
   608		}
   609	
   610		sema_init(&ctx->refresh_lock, 1);
   611	
   612		return 0;
   613	}
   614	

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

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