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drm/lima: fix lima_gem_wait() return value

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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: a1d2a63399 ("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-anarsoul@gmail.com
This commit is contained in:
Vasily Khoruzhick 2019-09-07 19:48:00 -07:00 committed by Qiang Yu
parent a3200debde
commit 21670bd78a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/lima/lima_gem.c
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@ -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;