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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-06-19 15:18:48 +0200
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-06-19 15:18:48 +0200
commit2ee692802b8f6c54bd6499addd3d07c2833d84d8 (patch)
tree6aa9a7de774804de0d5a944436a380eb99a6ac68 /arch/powerpc/perf/power8-pmu.c
parent0f5a5712ad1e3b8472b1c1459681dadad9277067 (diff)
parent1dcff4ae65185e8c0300972f6d8d39d9a9db2bda (diff)
downloadtalos-op-linux-2ee692802b8f6c54bd6499addd3d07c2833d84d8.tar.gz
talos-op-linux-2ee692802b8f6c54bd6499addd3d07c2833d84d8.zip
Merge tag 'topic/remove-fbcon-notifiers-2019-06-14-1' of git://anongit.freedesktop.org/drm/drm-misc into fbdev-for-next
topic/remove-fbcon-notifiers: - remove fbdev notifier usage for fbcon, as prep work to clean up the fbcon locking - assorted locking checks in vt/console code - assorted notifier and cleanups in fbdev and backlight code One trivial merge conflict fixed. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'arch/powerpc/perf/power8-pmu.c')
-rw-r--r--arch/powerpc/perf/power8-pmu.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index bcc3409a06de..3a5fcc20ff31 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Performance counter support for POWER8 processors.
*
* Copyright 2009 Paul Mackerras, IBM Corporation.
* Copyright 2013 Michael Ellerman, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) "power8-pmu: " fmt
@@ -29,6 +25,7 @@ enum {
#define POWER8_MMCRA_IFM1 0x0000000040000000UL
#define POWER8_MMCRA_IFM2 0x0000000080000000UL
#define POWER8_MMCRA_IFM3 0x00000000C0000000UL
+#define POWER8_MMCRA_BHRB_MASK 0x00000000C0000000UL
/*
* Raw event encoding for PowerISA v2.07 (Power8):
@@ -243,6 +240,8 @@ static u64 power8_bhrb_filter_map(u64 branch_sample_type)
static void power8_config_bhrb(u64 pmu_bhrb_filter)
{
+ pmu_bhrb_filter &= POWER8_MMCRA_BHRB_MASK;
+
/* Enable BHRB filter in PMU */
mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter));
}
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