From: Monk Liu <monk.liu@amd.com>
Date: Thu, 10 Aug 2017 20:38:41 +0800
Subject: drm/ttm:fix wrong decoding of bo_count
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Git-commit: ab7039325f4eef2e545d8cb3d6aed67998514bcb
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
we observe abnormal number from:
/sys/devices/virtual/drm/amdttm/buffer_objects/bo_count
bo_count is atomic_inc which is "int" type,
shouldn't explicitly turn it to unsigned long.
Signed-off-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -109,8 +109,8 @@ static ssize_t ttm_bo_global_show(struct
struct ttm_bo_global *glob =
container_of(kobj, struct ttm_bo_global, kobj);
- return snprintf(buffer, PAGE_SIZE, "%lu\n",
- (unsigned long) atomic_read(&glob->bo_count));
+ return snprintf(buffer, PAGE_SIZE, "%d\n",
+ atomic_read(&glob->bo_count));
}
static struct attribute *ttm_bo_global_attrs[] = {