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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /drivers/soc/rockchip/dtpm.c
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'drivers/soc/rockchip/dtpm.c')
-rw-r--r--drivers/soc/rockchip/dtpm.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/soc/rockchip/dtpm.c b/drivers/soc/rockchip/dtpm.c
new file mode 100644
index 000000000..b36d4f752
--- /dev/null
+++ b/drivers/soc/rockchip/dtpm.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Linaro Limited
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ *
+ * DTPM hierarchy description
+ */
+#include <linux/dtpm.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+static struct dtpm_node __initdata rk3399_hierarchy[] = {
+ [0] = { .name = "rk3399",
+ .type = DTPM_NODE_VIRTUAL },
+ [1] = { .name = "package",
+ .type = DTPM_NODE_VIRTUAL,
+ .parent = &rk3399_hierarchy[0] },
+ [2] = { .name = "/cpus/cpu@0",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [3] = { .name = "/cpus/cpu@1",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [4] = { .name = "/cpus/cpu@2",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [5] = { .name = "/cpus/cpu@3",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [6] = { .name = "/cpus/cpu@100",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [7] = { .name = "/cpus/cpu@101",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [8] = { .name = "/gpu@ff9a0000",
+ .type = DTPM_NODE_DT,
+ .parent = &rk3399_hierarchy[1] },
+ [9] = { /* sentinel */ }
+};
+
+static struct of_device_id __initdata rockchip_dtpm_match_table[] = {
+ { .compatible = "rockchip,rk3399", .data = rk3399_hierarchy },
+ {},
+};
+
+static int __init rockchip_dtpm_init(void)
+{
+ return dtpm_create_hierarchy(rockchip_dtpm_match_table);
+}
+module_init(rockchip_dtpm_init);
+
+static void __exit rockchip_dtpm_exit(void)
+{
+ return dtpm_destroy_hierarchy();
+}
+module_exit(rockchip_dtpm_exit);
+
+MODULE_SOFTDEP("pre: panfrost cpufreq-dt");
+MODULE_DESCRIPTION("Rockchip DTPM driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:dtpm");
+MODULE_AUTHOR("Daniel Lezcano <daniel.lezcano@kernel.org");