From: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
commit 21670bd78a25001cf8ef2679b378c73fb73b904f upstream.
drm_gem_reservation_object_wait() returns 0 if it succeeds and -ETIME
if it timeouts, but lima driver assumed that 0 is error.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: a1d2a6339961e ("drm/lima: driver for ARM Mali4xx GPUs")
Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
Signed-off-by: Qiang Yu <yuq825@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20190908024800.23229-1-anarsoul@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/lima/lima_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -342,7 +342,7 @@ int lima_gem_wait(struct drm_file *file,
timeout = drm_timeout_abs_to_jiffies(timeout_ns);
ret = drm_gem_reservation_object_wait(file, handle, write, timeout);
- if (ret == 0)
+ if (ret == -ETIME)
ret = timeout ? -ETIMEDOUT : -EBUSY;
return ret;
