2024-12-10 00:17:37 +03:00
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From 658af2bf561ee3883369b2caca4d688983f943de Mon Sep 17 00:00:00 2001
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2024-10-29 05:12:06 +03:00
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From: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
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Date: Thu, 17 Oct 2024 10:05:29 +0000
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Subject: cpufreq/amd-pstate: Call amd_pstate_set_driver() in
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amd_pstate_register_driver()
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Replace a similar chunk of code in amd_pstate_register_driver() with
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amd_pstate_set_driver() call.
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Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
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---
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drivers/cpufreq/amd-pstate.c | 47 +++++++++++++++++-------------------
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1 file changed, 22 insertions(+), 25 deletions(-)
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--- a/drivers/cpufreq/amd-pstate.c
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+++ b/drivers/cpufreq/amd-pstate.c
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@@ -1221,16 +1221,32 @@ static void amd_pstate_driver_cleanup(vo
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current_pstate_driver = NULL;
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}
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+static int amd_pstate_set_driver(int mode_idx)
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+{
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+ if (mode_idx >= AMD_PSTATE_DISABLE && mode_idx < AMD_PSTATE_MAX) {
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+ cppc_state = mode_idx;
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+ if (cppc_state == AMD_PSTATE_DISABLE)
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+ pr_info("driver is explicitly disabled\n");
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+
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+ if (cppc_state == AMD_PSTATE_ACTIVE)
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+ current_pstate_driver = &amd_pstate_epp_driver;
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+
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+ if (cppc_state == AMD_PSTATE_PASSIVE || cppc_state == AMD_PSTATE_GUIDED)
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+ current_pstate_driver = &amd_pstate_driver;
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+
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+ return 0;
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+ }
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+
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+ return -EINVAL;
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+}
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+
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static int amd_pstate_register_driver(int mode)
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{
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int ret;
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- if (mode == AMD_PSTATE_PASSIVE || mode == AMD_PSTATE_GUIDED)
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- current_pstate_driver = &amd_pstate_driver;
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- else if (mode == AMD_PSTATE_ACTIVE)
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- current_pstate_driver = &amd_pstate_epp_driver;
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- else
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- return -EINVAL;
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+ ret = amd_pstate_set_driver(mode);
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+ if (ret)
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+ return ret;
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cppc_state = mode;
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@@ -1756,25 +1772,6 @@ static struct cpufreq_driver amd_pstate_
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.attr = amd_pstate_epp_attr,
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};
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-static int __init amd_pstate_set_driver(int mode_idx)
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-{
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- if (mode_idx >= AMD_PSTATE_DISABLE && mode_idx < AMD_PSTATE_MAX) {
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- cppc_state = mode_idx;
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- if (cppc_state == AMD_PSTATE_DISABLE)
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- pr_info("driver is explicitly disabled\n");
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-
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- if (cppc_state == AMD_PSTATE_ACTIVE)
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- current_pstate_driver = &amd_pstate_epp_driver;
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-
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- if (cppc_state == AMD_PSTATE_PASSIVE || cppc_state == AMD_PSTATE_GUIDED)
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- current_pstate_driver = &amd_pstate_driver;
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-
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- return 0;
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- }
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-
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- return -EINVAL;
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-}
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-
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/*
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* CPPC function is not supported for family ID 17H with model_ID ranging from 0x10 to 0x2F.
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* show the debug message that helps to check if the CPU has CPPC support for loading issue.
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