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| author | Maxime Ripard <mripard@kernel.org> | 2024-02-26 17:23:00 +0300 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-02-26 17:23:00 +0300 |
| commit | 2f910859724b53f1cd3579246e3d9bebb16d78b8 (patch) | |
| tree | 75cd2329b7e737865bf28ea734a2e0649c02a5bf /arch/x86/kernel/cpu/amd.c | |
| parent | 86bf8cfda6d2a6720fa2e6e676c98f0882c9d3d7 (diff) | |
| parent | 72fa02fdf83306c52bc1eede28359e3fa32a151a (diff) | |
| download | linux-2f910859724b53f1cd3579246e3d9bebb16d78b8.tar.xz | |
Merge drm/drm-fixes into drm-misc-fixes
Sima needs a more recent release to apply a patch.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 28 |
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 |