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authorThomas Zimmermann <tzimmermann@suse.de>2024-02-07 13:01:19 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2024-02-07 13:02:20 +0100
commit0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f (patch)
tree75b387bc359637c15b90ababb1ff073ca68b5bd8 /arch/x86/kernel/cpu/amd.c
parent2c8ba564a42c7418a726367c73d7c88454848fdc (diff)
parentf8e4806e0dfa8796b3d7076a7fe054455a59c38b (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to update drm-misc-next to the state of v6.8-rc3. Also fixes a build problem with xe. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
-rw-r--r--arch/x86/kernel/cpu/amd.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 9f42d1c59e09..f3abca334199 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -538,7 +538,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
/* Figure out Zen generations: */
switch (c->x86) {
- case 0x17: {
+ case 0x17:
switch (c->x86_model) {
case 0x00 ... 0x2f:
case 0x50 ... 0x5f:
@@ -554,8 +554,8 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
goto warn;
}
break;
- }
- case 0x19: {
+
+ case 0x19:
switch (c->x86_model) {
case 0x00 ... 0x0f:
case 0x20 ... 0x5f:
@@ -569,7 +569,20 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
goto warn;
}
break;
- }
+
+ case 0x1a:
+ switch (c->x86_model) {
+ case 0x00 ... 0x0f:
+ case 0x20 ... 0x2f:
+ case 0x40 ... 0x4f:
+ case 0x70 ... 0x7f:
+ setup_force_cpu_cap(X86_FEATURE_ZEN5);
+ break;
+ default:
+ goto warn;
+ }
+ break;
+
default:
break;
}
@@ -1039,6 +1052,11 @@ static void init_amd_zen4(struct cpuinfo_x86 *c)
msr_set_bit(MSR_ZEN4_BP_CFG, MSR_ZEN4_BP_CFG_SHARED_BTB_FIX_BIT);
}
+static void init_amd_zen5(struct cpuinfo_x86 *c)
+{
+ init_amd_zen_common();
+}
+
static void init_amd(struct cpuinfo_x86 *c)
{
u64 vm_cr;
@@ -1084,6 +1102,8 @@ static void init_amd(struct cpuinfo_x86 *c)
init_amd_zen3(c);
else if (boot_cpu_has(X86_FEATURE_ZEN4))
init_amd_zen4(c);
+ else if (boot_cpu_has(X86_FEATURE_ZEN5))
+ init_amd_zen5(c);
/*
* Enable workaround for FXSAVE leak on CPUs