Author: cem
Date: Wed Apr 20 02:58:22 2016
New Revision: 298331
URL: https://svnweb.freebsd.org/changeset/base/298331
Log:
i915kms intel_pm: Read from actual tsc_freq instead of uninitialized local
The local of the same name would alias the global, but we didn't even include
the header that defines tsc_freq. Include it and rename the local.
Reported by: Coverity
CID: 1331559
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/dev/drm2/i915/intel_pm.c
Modified: head/sys/dev/drm2/i915/intel_pm.c
==============================================================================
--- head/sys/dev/drm2/i915/intel_pm.c Wed Apr 20 02:09:38 2016
(r298330)
+++ head/sys/dev/drm2/i915/intel_pm.c Wed Apr 20 02:58:22 2016
(r298331)
@@ -32,6 +32,7 @@ __FBSDID("$FreeBSD$");
#include <dev/drm2/i915/i915_drv.h>
#include <dev/drm2/i915/intel_drv.h>
#include <sys/kdb.h>
+#include <machine/clock.h>
#define FORCEWAKE_ACK_TIMEOUT_MS 2
@@ -2686,9 +2687,9 @@ static void gen6_update_ring_freq(struct
if (!max_ia_freq)
max_ia_freq = tsc_khz;
#else
- uint64_t tsc_freq;
- tsc_freq = atomic_load_acq_64(&tsc_freq);
- max_ia_freq = tsc_freq / 1000;
+ uint64_t freq;
+ freq = atomic_load_acq_64(&tsc_freq);
+ max_ia_freq = freq / 1000;
#endif /* FREEBSD_WIP */
/* Convert from kHz to MHz */
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