Re: [PATCH] drm/imagination: Align rogue_fwif_hwrtdata to 64 bytes
From: kernel test robot
Date: Tue Dec 23 2025 - 21:43:27 EST
Hi Michal,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 8f0b4cce4481fb22653697cced8d0d04027cb1e8]
url: https://github.com/intel-lab-lkp/linux/commits/Michal-Wilczynski/drm-imagination-Align-rogue_fwif_hwrtdata-to-64-bytes/20251223-065827
base: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
patch link: https://lore.kernel.org/r/20251222-fix_imagination-v1-1-0ac80a2ff317%40samsung.com
patch subject: [PATCH] drm/imagination: Align rogue_fwif_hwrtdata to 64 bytes
config: arm64-randconfig-r113-20251224 (https://download.01.org/0day-ci/archive/20251224/202512241051.keF0EcdF-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251224/202512241051.keF0EcdF-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512241051.keF0EcdF-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/imagination/pvr_power.c:62:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got unsigned int [usertype] *power_sync @@
drivers/gpu/drm/imagination/pvr_power.c:62:16: sparse: expected void const volatile [noderef] __iomem *addr
drivers/gpu/drm/imagination/pvr_power.c:62:16: sparse: got unsigned int [usertype] *power_sync
vim +62 drivers/gpu/drm/imagination/pvr_power.c
cc1aeedb98ad34 Sarah Walker 2023-11-22 46
727538a4bbff07 Sarah Walker 2023-11-22 47 static int
727538a4bbff07 Sarah Walker 2023-11-22 48 pvr_power_send_command(struct pvr_device *pvr_dev, struct rogue_fwif_kccb_cmd *pow_cmd)
727538a4bbff07 Sarah Walker 2023-11-22 49 {
cc1aeedb98ad34 Sarah Walker 2023-11-22 50 struct pvr_fw_device *fw_dev = &pvr_dev->fw_dev;
cc1aeedb98ad34 Sarah Walker 2023-11-22 51 u32 slot_nr;
cc1aeedb98ad34 Sarah Walker 2023-11-22 52 u32 value;
cc1aeedb98ad34 Sarah Walker 2023-11-22 53 int err;
cc1aeedb98ad34 Sarah Walker 2023-11-22 54
cc1aeedb98ad34 Sarah Walker 2023-11-22 55 WRITE_ONCE(*fw_dev->power_sync, 0);
cc1aeedb98ad34 Sarah Walker 2023-11-22 56
cc1aeedb98ad34 Sarah Walker 2023-11-22 57 err = pvr_kccb_send_cmd_powered(pvr_dev, pow_cmd, &slot_nr);
cc1aeedb98ad34 Sarah Walker 2023-11-22 58 if (err)
cc1aeedb98ad34 Sarah Walker 2023-11-22 59 return err;
cc1aeedb98ad34 Sarah Walker 2023-11-22 60
cc1aeedb98ad34 Sarah Walker 2023-11-22 61 /* Wait for FW to acknowledge. */
cc1aeedb98ad34 Sarah Walker 2023-11-22 @62 return readl_poll_timeout(pvr_dev->fw_dev.power_sync, value, value != 0, 100,
cc1aeedb98ad34 Sarah Walker 2023-11-22 63 POWER_SYNC_TIMEOUT_US);
727538a4bbff07 Sarah Walker 2023-11-22 64 }
727538a4bbff07 Sarah Walker 2023-11-22 65
--
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https://github.com/intel/lkp-tests/wiki