From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DCA84C6B for ; Tue, 5 Dec 2023 04:40:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="XYKVyz02" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701751207; x=1733287207; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=yUKpdJx0jTCliiztHEgEC4zEe/B4VCrinfxKrtfnM3s=; b=XYKVyz02Fl4rC6e/AHM1gibrqPmpvcASjEK5ZsZPUJ1Vmy6JU9y11egn 00E/gC1aP9seRg8yuT7Uk5XLFs5w0I+xng+DPK6Exv5GDmv67qopHQcL0 pSLKgCMKZhQySwAEhylt4zwCISDf5mM/TYfPxobH4qAqX/RVfwo25+da3 2ueTT8pCw1eZ95HfD5+M6kWgxNofKt+CliZwlJGAosrTNQyl9UUx7JSNz CIGOGo9ItEUvRxymeOkpqfv1LOQZo6AshqJ11bhnpath8bp5w2cHoVC0r 99WeejhW3cUpWM3ubZGVeLXKJ104oFGiJ5jsjUDvdQ1zX2MqrA/obqLrv Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="717837" X-IronPort-AV: E=Sophos;i="6.04,251,1695711600"; d="scan'208";a="717837" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2023 20:40:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="720565437" X-IronPort-AV: E=Sophos;i="6.04,251,1695711600"; d="scan'208";a="720565437" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga003.jf.intel.com with ESMTP; 04 Dec 2023 20:40:05 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rANE2-0008Lk-35; Tue, 05 Dec 2023 04:40:02 +0000 Date: Tue, 5 Dec 2023 12:39:47 +0800 From: kernel test robot To: Boris Brezillon Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH v3 12/14] drm/panthor: Allow driver compilation Message-ID: <202312051231.xeR6rO2B-lkp@intel.com> References: <20231204173313.2098733-13-boris.brezillon@collabora.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231204173313.2098733-13-boris.brezillon@collabora.com> Hi Boris, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.7-rc4 next-20231204] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Boris-Brezillon/drm-panthor-Add-GPU-register-definitions/20231205-023301 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20231204173313.2098733-13-boris.brezillon%40collabora.com patch subject: [PATCH v3 12/14] drm/panthor: Allow driver compilation config: alpha-randconfig-r122-20231205 (https://download.01.org/0day-ci/archive/20231205/202312051231.xeR6rO2B-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231205/202312051231.xeR6rO2B-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202312051231.xeR6rO2B-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/panthor/panthor_gem.c:98:24: sparse: sparse: Using plain integer as NULL pointer vim +98 drivers/gpu/drm/panthor/panthor_gem.c b982314ad8e9c0 Boris Brezillon 2023-12-04 57 b982314ad8e9c0 Boris Brezillon 2023-12-04 58 /** b982314ad8e9c0 Boris Brezillon 2023-12-04 59 * panthor_kernel_bo_create() - Create and map a GEM object to a VM b982314ad8e9c0 Boris Brezillon 2023-12-04 60 * @ptdev: Device. b982314ad8e9c0 Boris Brezillon 2023-12-04 61 * @vm: VM to map the GEM to. If NULL, the kernel object is not GPU mapped. b982314ad8e9c0 Boris Brezillon 2023-12-04 62 * @size: Size of the buffer object. b982314ad8e9c0 Boris Brezillon 2023-12-04 63 * @bo_flags: Combination of drm_panthor_bo_flags flags. b982314ad8e9c0 Boris Brezillon 2023-12-04 64 * @vm_map_flags: Combination of drm_panthor_vm_bind_op_flags (only those b982314ad8e9c0 Boris Brezillon 2023-12-04 65 * that are related to map operations). b982314ad8e9c0 Boris Brezillon 2023-12-04 66 * @gpu_va: GPU address assigned when mapping to the VM. b982314ad8e9c0 Boris Brezillon 2023-12-04 67 * If gpu_va == PANTHOR_VM_KERNEL_AUTO_VA, the virtual address will be b982314ad8e9c0 Boris Brezillon 2023-12-04 68 * automatically allocated. b982314ad8e9c0 Boris Brezillon 2023-12-04 69 * b982314ad8e9c0 Boris Brezillon 2023-12-04 70 * Return: A valid pointer in case of success, an ERR_PTR() otherwise. b982314ad8e9c0 Boris Brezillon 2023-12-04 71 */ b982314ad8e9c0 Boris Brezillon 2023-12-04 72 struct panthor_kernel_bo * b982314ad8e9c0 Boris Brezillon 2023-12-04 73 panthor_kernel_bo_create(struct panthor_device *ptdev, struct panthor_vm *vm, b982314ad8e9c0 Boris Brezillon 2023-12-04 74 size_t size, u32 bo_flags, u32 vm_map_flags, b982314ad8e9c0 Boris Brezillon 2023-12-04 75 u64 gpu_va) b982314ad8e9c0 Boris Brezillon 2023-12-04 76 { b982314ad8e9c0 Boris Brezillon 2023-12-04 77 struct drm_gem_shmem_object *obj; b982314ad8e9c0 Boris Brezillon 2023-12-04 78 struct panthor_kernel_bo *kbo; b982314ad8e9c0 Boris Brezillon 2023-12-04 79 struct panthor_gem_object *bo; b982314ad8e9c0 Boris Brezillon 2023-12-04 80 int ret; b982314ad8e9c0 Boris Brezillon 2023-12-04 81 b982314ad8e9c0 Boris Brezillon 2023-12-04 82 kbo = kzalloc(sizeof(*kbo), GFP_KERNEL); b982314ad8e9c0 Boris Brezillon 2023-12-04 83 if (!kbo) b982314ad8e9c0 Boris Brezillon 2023-12-04 84 return ERR_PTR(-ENOMEM); b982314ad8e9c0 Boris Brezillon 2023-12-04 85 b982314ad8e9c0 Boris Brezillon 2023-12-04 86 obj = drm_gem_shmem_create(&ptdev->base, size); b982314ad8e9c0 Boris Brezillon 2023-12-04 87 if (IS_ERR(obj)) { b982314ad8e9c0 Boris Brezillon 2023-12-04 88 ret = PTR_ERR(obj); b982314ad8e9c0 Boris Brezillon 2023-12-04 89 goto err_free_bo; b982314ad8e9c0 Boris Brezillon 2023-12-04 90 } b982314ad8e9c0 Boris Brezillon 2023-12-04 91 b982314ad8e9c0 Boris Brezillon 2023-12-04 92 bo = to_panthor_bo(&obj->base); b982314ad8e9c0 Boris Brezillon 2023-12-04 93 size = obj->base.size; b982314ad8e9c0 Boris Brezillon 2023-12-04 94 kbo->obj = &obj->base; b982314ad8e9c0 Boris Brezillon 2023-12-04 95 bo->flags = bo_flags; b982314ad8e9c0 Boris Brezillon 2023-12-04 96 b982314ad8e9c0 Boris Brezillon 2023-12-04 97 if (!vm) b982314ad8e9c0 Boris Brezillon 2023-12-04 @98 return 0; b982314ad8e9c0 Boris Brezillon 2023-12-04 99 b982314ad8e9c0 Boris Brezillon 2023-12-04 100 ret = panthor_vm_alloc_va(vm, gpu_va, size, &kbo->va_node); b982314ad8e9c0 Boris Brezillon 2023-12-04 101 if (ret) b982314ad8e9c0 Boris Brezillon 2023-12-04 102 goto err_put_obj; b982314ad8e9c0 Boris Brezillon 2023-12-04 103 b982314ad8e9c0 Boris Brezillon 2023-12-04 104 ret = panthor_vm_map_bo_range(vm, bo, 0, size, kbo->va_node.start, vm_map_flags); b982314ad8e9c0 Boris Brezillon 2023-12-04 105 if (ret) b982314ad8e9c0 Boris Brezillon 2023-12-04 106 goto err_free_va; b982314ad8e9c0 Boris Brezillon 2023-12-04 107 b982314ad8e9c0 Boris Brezillon 2023-12-04 108 bo->exclusive_vm_root_gem = panthor_vm_root_gem(vm); b982314ad8e9c0 Boris Brezillon 2023-12-04 109 drm_gem_object_get(bo->exclusive_vm_root_gem); b982314ad8e9c0 Boris Brezillon 2023-12-04 110 bo->base.base.resv = bo->exclusive_vm_root_gem->resv; b982314ad8e9c0 Boris Brezillon 2023-12-04 111 return kbo; b982314ad8e9c0 Boris Brezillon 2023-12-04 112 b982314ad8e9c0 Boris Brezillon 2023-12-04 113 err_free_va: b982314ad8e9c0 Boris Brezillon 2023-12-04 114 panthor_vm_free_va(vm, &kbo->va_node); b982314ad8e9c0 Boris Brezillon 2023-12-04 115 b982314ad8e9c0 Boris Brezillon 2023-12-04 116 err_put_obj: b982314ad8e9c0 Boris Brezillon 2023-12-04 117 drm_gem_object_put(&obj->base); b982314ad8e9c0 Boris Brezillon 2023-12-04 118 b982314ad8e9c0 Boris Brezillon 2023-12-04 119 err_free_bo: b982314ad8e9c0 Boris Brezillon 2023-12-04 120 kfree(kbo); b982314ad8e9c0 Boris Brezillon 2023-12-04 121 return ERR_PTR(ret); b982314ad8e9c0 Boris Brezillon 2023-12-04 122 } b982314ad8e9c0 Boris Brezillon 2023-12-04 123 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki