1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1985-drm-amdgpu-use-div64_ul-for-32-bit-compatibility-v1.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1985-drm-amdgpu-use-div64_ul-for-32-bit-compatibility-v1.patch
new file mode 100644
index 00000000..a12209f4
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1985-drm-amdgpu-use-div64_ul-for-32-bit-compatibility-v1.patch
@@ -0,0 +1,33 @@
+From 8c23f930a6dd3be67586d155a20e2e585e4a370e Mon Sep 17 00:00:00 2001
+From: Slava Abramov <slava.abramov@amd.com>
+Date: Thu, 16 May 2019 16:17:53 -0400
+Subject: [PATCH 1985/2940] drm/amdgpu: use div64_ul for 32-bit compatibility
+ v1
+
+v1: replace casting to unsigned long with div64_ul
+
+Change-Id: Ia48671ed0756bb73c7b4760a800bcb6f600cbef2
+Signed-off-by: Slava Abramov <slava.abramov@amd.com>
+Tested-by: Slava Abramov <slava.abramov@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+index da1dc40b9b14..d5719b0fb82c 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+@@ -764,8 +764,8 @@ static ssize_t amdgpu_ras_sysfs_badpages_read(struct file *f,
+ 	struct amdgpu_device *adev = con->adev;
+ 	const unsigned int element_size =
+ 		sizeof("0xabcdabcd : 0x12345678 : R\n") - 1;
+-	unsigned int start = (ppos + element_size - 1) / element_size;
+-	unsigned int end = (ppos + count - 1) / element_size;
++	unsigned int start = div64_ul(ppos + element_size - 1, element_size);
++	unsigned int end = div64_ul(ppos + count - 1, element_size);
+ 	ssize_t s = 0;
+ 	struct ras_badpage *bps = NULL;
+ 	unsigned int bps_count = 0;
+-- 
+2.17.1
+