* [daeinki-drm-exynos:exynos-drm-next 3/4] drivers/gpu/drm/exynos/exynos_drm_gem.c:69:49: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'size_t' {aka 'unsigned int'}
@ 2026-04-08 5:14 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-04-08 5:14 UTC (permalink / raw)
To: Chen-Yu Tsai; +Cc: oe-kbuild-all, dri-devel, Inki Dae
tree: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next
head: 0867757f1eec0a246c70b2407a1bbed949170821
commit: 11e898373fba6b1d27b15ab4beff592701a57293 [3/4] drm/exynos: Drop exynos_drm_gem.size field
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260408/202604081331.jSJQSVmg-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260408/202604081331.jSJQSVmg-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604081331.jSJQSVmg-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/exynos/exynos_drm_gem.c:16:
drivers/gpu/drm/exynos/exynos_drm_gem.c: In function 'exynos_drm_alloc_buf':
>> drivers/gpu/drm/exynos/exynos_drm_gem.c:69:49: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
69 | DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "dma_addr(0x%lx), size(0x%lx)\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
70 | (unsigned long)exynos_gem->dma_addr, exynos_gem->base.size);
| ~~~~~~~~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}
include/drm/drm_print.h:563:39: note: in definition of macro 'drm_dev_dbg'
563 | __drm_dev_dbg(NULL, dev, cat, fmt, ##__VA_ARGS__)
| ^~~
drivers/gpu/drm/exynos/exynos_drm_gem.c:69:9: note: in expansion of macro 'DRM_DEV_DEBUG_KMS'
69 | DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "dma_addr(0x%lx), size(0x%lx)\n",
| ^~~~~~~~~~~~~~~~~
drivers/gpu/drm/exynos/exynos_drm_gem.c:69:76: note: format string is defined here
69 | DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "dma_addr(0x%lx), size(0x%lx)\n",
| ~~^
| |
| long unsigned int
| %x
In file included from drivers/gpu/drm/exynos/exynos_drm_gem.c:16:
drivers/gpu/drm/exynos/exynos_drm_gem.c: In function 'exynos_drm_free_buf':
drivers/gpu/drm/exynos/exynos_drm_gem.c:83:37: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
83 | DRM_DEV_DEBUG_KMS(dev->dev, "dma_addr(0x%lx), size(0x%lx)\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
84 | (unsigned long)exynos_gem->dma_addr, exynos_gem->base.size);
| ~~~~~~~~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}
include/drm/drm_print.h:563:39: note: in definition of macro 'drm_dev_dbg'
563 | __drm_dev_dbg(NULL, dev, cat, fmt, ##__VA_ARGS__)
| ^~~
drivers/gpu/drm/exynos/exynos_drm_gem.c:83:9: note: in expansion of macro 'DRM_DEV_DEBUG_KMS'
83 | DRM_DEV_DEBUG_KMS(dev->dev, "dma_addr(0x%lx), size(0x%lx)\n",
| ^~~~~~~~~~~~~~~~~
drivers/gpu/drm/exynos/exynos_drm_gem.c:83:64: note: format string is defined here
83 | DRM_DEV_DEBUG_KMS(dev->dev, "dma_addr(0x%lx), size(0x%lx)\n",
| ~~^
| |
| long unsigned int
| %x
vim +69 drivers/gpu/drm/exynos/exynos_drm_gem.c
2043e6f6d5c5fb0 Thomas Zimmermann 2021-11-08 26
9940d9d93406f41 Marek Szyprowski 2020-04-23 27 static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem, bool kvmap)
2a8cb4894540898 Joonyoung Shim 2015-08-16 28 {
813fd67b57ffca0 Joonyoung Shim 2015-10-02 29 struct drm_device *dev = exynos_gem->base.dev;
9940d9d93406f41 Marek Szyprowski 2020-04-23 30 unsigned long attr = 0;
2a8cb4894540898 Joonyoung Shim 2015-08-16 31
813fd67b57ffca0 Joonyoung Shim 2015-10-02 32 if (exynos_gem->dma_addr) {
e457a1a9585b941 Chen-Yu Tsai 2026-03-26 33 DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "already allocated.\n");
2a8cb4894540898 Joonyoung Shim 2015-08-16 34 return 0;
2a8cb4894540898 Joonyoung Shim 2015-08-16 35 }
2a8cb4894540898 Joonyoung Shim 2015-08-16 36
2a8cb4894540898 Joonyoung Shim 2015-08-16 37 /*
2a8cb4894540898 Joonyoung Shim 2015-08-16 38 * if EXYNOS_BO_CONTIG, fully physically contiguous memory
2a8cb4894540898 Joonyoung Shim 2015-08-16 39 * region will be allocated else physically contiguous
2a8cb4894540898 Joonyoung Shim 2015-08-16 40 * as possible.
2a8cb4894540898 Joonyoung Shim 2015-08-16 41 */
813fd67b57ffca0 Joonyoung Shim 2015-10-02 42 if (!(exynos_gem->flags & EXYNOS_BO_NONCONTIG))
9940d9d93406f41 Marek Szyprowski 2020-04-23 43 attr |= DMA_ATTR_FORCE_CONTIGUOUS;
2a8cb4894540898 Joonyoung Shim 2015-08-16 44
2a8cb4894540898 Joonyoung Shim 2015-08-16 45 /*
2a8cb4894540898 Joonyoung Shim 2015-08-16 46 * if EXYNOS_BO_WC or EXYNOS_BO_NONCACHABLE, writecombine mapping
2a8cb4894540898 Joonyoung Shim 2015-08-16 47 * else cachable mapping.
2a8cb4894540898 Joonyoung Shim 2015-08-16 48 */
813fd67b57ffca0 Joonyoung Shim 2015-10-02 49 if (exynos_gem->flags & EXYNOS_BO_WC ||
813fd67b57ffca0 Joonyoung Shim 2015-10-02 50 !(exynos_gem->flags & EXYNOS_BO_CACHABLE))
9940d9d93406f41 Marek Szyprowski 2020-04-23 51 attr |= DMA_ATTR_WRITE_COMBINE;
2a8cb4894540898 Joonyoung Shim 2015-08-16 52
9940d9d93406f41 Marek Szyprowski 2020-04-23 53 /* FBDev emulation requires kernel mapping */
9940d9d93406f41 Marek Szyprowski 2020-04-23 54 if (!kvmap)
9940d9d93406f41 Marek Szyprowski 2020-04-23 55 attr |= DMA_ATTR_NO_KERNEL_MAPPING;
2a8cb4894540898 Joonyoung Shim 2015-08-16 56
9940d9d93406f41 Marek Szyprowski 2020-04-23 57 exynos_gem->dma_attrs = attr;
11e898373fba6b1 Chen-Yu Tsai 2026-03-26 58 exynos_gem->cookie = dma_alloc_attrs(drm_dev_dma_dev(dev), exynos_gem->base.size,
813fd67b57ffca0 Joonyoung Shim 2015-10-02 59 &exynos_gem->dma_addr, GFP_KERNEL,
00085f1efa387a8 Krzysztof Kozlowski 2016-08-03 60 exynos_gem->dma_attrs);
813fd67b57ffca0 Joonyoung Shim 2015-10-02 61 if (!exynos_gem->cookie) {
e457a1a9585b941 Chen-Yu Tsai 2026-03-26 62 DRM_DEV_ERROR(drm_dev_dma_dev(dev), "failed to allocate buffer.\n");
9940d9d93406f41 Marek Szyprowski 2020-04-23 63 return -ENOMEM;
2a8cb4894540898 Joonyoung Shim 2015-08-16 64 }
2a8cb4894540898 Joonyoung Shim 2015-08-16 65
9940d9d93406f41 Marek Szyprowski 2020-04-23 66 if (kvmap)
9940d9d93406f41 Marek Szyprowski 2020-04-23 67 exynos_gem->kvaddr = exynos_gem->cookie;
df547bf7735a623 Marek Szyprowski 2015-10-13 68
e457a1a9585b941 Chen-Yu Tsai 2026-03-26 @69 DRM_DEV_DEBUG_KMS(drm_dev_dma_dev(dev), "dma_addr(0x%lx), size(0x%lx)\n",
11e898373fba6b1 Chen-Yu Tsai 2026-03-26 70 (unsigned long)exynos_gem->dma_addr, exynos_gem->base.size);
2a8cb4894540898 Joonyoung Shim 2015-08-16 71 return 0;
2a8cb4894540898 Joonyoung Shim 2015-08-16 72 }
2a8cb4894540898 Joonyoung Shim 2015-08-16 73
:::::: The code at line 69 was first introduced by commit
:::::: e457a1a9585b941e2aa771142b63c951f6a3d54e drm/exynos: Use DRM core dedicated DMA device tracking facility
:::::: TO: Chen-Yu Tsai <wenst@chromium.org>
:::::: CC: Inki Dae <inki.dae@samsung.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-04-08 5:14 [daeinki-drm-exynos:exynos-drm-next 3/4] drivers/gpu/drm/exynos/exynos_drm_gem.c:69:49: warning: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'size_t' {aka 'unsigned int'} kernel test robot
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