From: Vasily Khoruzhick anarsoul@gmail.com
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@vger.kernel.org Fixes: a1d2a6339961e ("drm/lima: driver for ARM Mali4xx GPUs") Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com Signed-off-by: Qiang Yu yuq825@gmail.com Link: https://patchwork.freedesktop.org/patch/msgid/20190908024800.23229-1-anarsou... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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;