[linux-next:master 1162/2798] drivers/gpu/drm/radeon/radeon_uvd.c:794:16: sparse: sparse: incorrect type in argument 1 (different base types)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   aa515cdce7a151dcc14b7600d33f1414c6fa32c9
commit: ede6b6bc43c68ef030f88235e91e85939b8bdb49 [1162/2798] drm/radeon: use writel to avoid gcc optimization v3
config: alpha-randconfig-s031-20210113 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-208-g46a52ca4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ede6b6bc43c68ef030f88235e91e85939b8bdb49
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout ede6b6bc43c68ef030f88235e91e85939b8bdb49
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha 

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


"sparse warnings: (new ones prefixed by >>)"
   drivers/gpu/drm/radeon/radeon_uvd.c:155:37: sparse: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/radeon_uvd.c:156:42: sparse: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/radeon_uvd.c:157:42: sparse: sparse: cast to restricted __le32
>> drivers/gpu/drm/radeon/radeon_uvd.c:794:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:794:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:794:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:796:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:796:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:796:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:801:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:801:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:801:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:802:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:802:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:802:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:804:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:804:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:804:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:830:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:830:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:830:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:831:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:831:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:831:16: sparse:     got restricted __le32 [usertype]
   drivers/gpu/drm/radeon/radeon_uvd.c:832:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] b @@     got restricted __le32 [usertype] @@
   drivers/gpu/drm/radeon/radeon_uvd.c:832:16: sparse:     expected unsigned int [usertype] b
   drivers/gpu/drm/radeon/radeon_uvd.c:832:16: sparse:     got restricted __le32 [usertype]

vim +794 drivers/gpu/drm/radeon/radeon_uvd.c

   771	
   772	/*
   773	 * multiple fence commands without any stream commands in between can
   774	 * crash the vcpu so just try to emmit a dummy create/destroy msg to
   775	 * avoid this
   776	 */
   777	int radeon_uvd_get_create_msg(struct radeon_device *rdev, int ring,
   778				      uint32_t handle, struct radeon_fence **fence)
   779	{
   780		/* we use the last page of the vcpu bo for the UVD message */
   781		uint64_t offs = radeon_bo_size(rdev->uvd.vcpu_bo) -
   782			RADEON_GPU_PAGE_SIZE;
   783	
   784		uint32_t __iomem *msg = (void __iomem *)(rdev->uvd.cpu_addr + offs);
   785		uint64_t addr = rdev->uvd.gpu_addr + offs;
   786	
   787		int r, i;
   788	
   789		r = radeon_bo_reserve(rdev->uvd.vcpu_bo, true);
   790		if (r)
   791			return r;
   792	
   793		/* stitch together an UVD create msg */
 > 794		writel(cpu_to_le32(0x00000de4), &msg[0]);
   795		writel(0x0, (void __iomem *)&msg[1]);
   796		writel(cpu_to_le32(handle), &msg[2]);
   797		writel(0x0, &msg[3]);
   798		writel(0x0, &msg[4]);
   799		writel(0x0, &msg[5]);
   800		writel(0x0, &msg[6]);
   801		writel(cpu_to_le32(0x00000780), &msg[7]);
   802		writel(cpu_to_le32(0x00000440), &msg[8]);
   803		writel(0x0, &msg[9]);
   804		writel(cpu_to_le32(0x01b37000), &msg[10]);
   805		for (i = 11; i < 1024; ++i)
   806			writel(0x0, &msg[i]);
   807	
   808		r = radeon_uvd_send_msg(rdev, ring, addr, fence);
   809		radeon_bo_unreserve(rdev->uvd.vcpu_bo);
   810		return r;
   811	}
   812	

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

Attachment: .config.gz
Description: application/gzip


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