Mesa (master): freedreno/drm: Don't miscalculate timeout
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Thu Jan 23 18:31:48 UTC 2020
Module: Mesa
Branch: master
Commit: c5334d2943edc34052269cdb5c1052f6eb65335c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c5334d2943edc34052269cdb5c1052f6eb65335c
Author: Guido Günther <agx at sigxcpu.org>
Date: Wed Jan 22 11:43:11 2020 +0100
freedreno/drm: Don't miscalculate timeout
The current code overflows (s * 1000000000) for s >= 5 but that is
e.g. used in msm_bo_cpu_prep.
Signed-off-by: Guido Günther <agx at sigxcpu.org>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3514>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3514>
---
src/freedreno/drm/msm_priv.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/freedreno/drm/msm_priv.h b/src/freedreno/drm/msm_priv.h
index 172e9870fe5..37adb13624c 100644
--- a/src/freedreno/drm/msm_priv.h
+++ b/src/freedreno/drm/msm_priv.h
@@ -108,10 +108,9 @@ msm_dump_submit(struct drm_msm_gem_submit *req)
static inline void get_abs_timeout(struct drm_msm_timespec *tv, uint64_t ns)
{
struct timespec t;
- uint32_t s = ns / 1000000000;
clock_gettime(CLOCK_MONOTONIC, &t);
- tv->tv_sec = t.tv_sec + s;
- tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
+ tv->tv_sec = t.tv_sec + ns / 1000000000;
+ tv->tv_nsec = t.tv_nsec + ns % 1000000000;
}
/*
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