From: Vasily Khoruzhick Date: Sun, 8 Sep 2019 02:48:00 +0000 (-0700) Subject: drm/lima: fix lima_gem_wait() return value X-Git-Tag: v5.15~4905^2~5^2~33 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21670bd78a25001cf8ef2679b378c73fb73b904f;p=platform%2Fkernel%2Flinux-starfive.git drm/lima: fix lima_gem_wait() return value 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 Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20190908024800.23229-1-anarsoul@gmail.com --- diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c index 477c0f7..b609dc0 100644 --- 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, u32 handle, u32 op, s64 timeout_ns) 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;