| Message ID | 20230120091528.142625-1-dedekind1@gmail.com (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Headers | show |
| Series | intel_idle: add Emerald Rapids Xeon support | expand |
On Fri, Jan 20, 2023 at 10:15 AM Artem Bityutskiy <dedekind1@gmail.com> wrote: > > From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> > > Emerald Rapids (EMR) is the next Intel Xeon processor after Sapphire Rapids > (SPR). EMR C-states are the same as SPR C-states, and we expect that EMR > C-state characteristics (latency and target residency) will be the same as in > SPR. Therefore, this patch adds EMR support by using SPR C-states table. > > Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> > --- > drivers/idle/intel_idle.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c > index cfeb24d40d37..bb3d10099ba4 100644 > --- a/drivers/idle/intel_idle.c > +++ b/drivers/idle/intel_idle.c > @@ -1430,6 +1430,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { > X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &idle_cpu_adl_l), > X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &idle_cpu_adl_n), > X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &idle_cpu_spr), > + X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &idle_cpu_spr), > X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &idle_cpu_knl), > X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &idle_cpu_knl), > X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT, &idle_cpu_bxt), > @@ -1862,6 +1863,7 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv) > skx_idle_state_table_update(); > break; > case INTEL_FAM6_SAPPHIRERAPIDS_X: > + case INTEL_FAM6_EMERALDRAPIDS_X: > spr_idle_state_table_update(); > break; > case INTEL_FAM6_ALDERLAKE: > -- Applied as 6.3 material, thanks!
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index cfeb24d40d37..bb3d10099ba4 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1430,6 +1430,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &idle_cpu_adl_l), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &idle_cpu_adl_n), X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &idle_cpu_spr), + X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &idle_cpu_spr), X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &idle_cpu_knl), X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &idle_cpu_knl), X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT, &idle_cpu_bxt), @@ -1862,6 +1863,7 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv) skx_idle_state_table_update(); break; case INTEL_FAM6_SAPPHIRERAPIDS_X: + case INTEL_FAM6_EMERALDRAPIDS_X: spr_idle_state_table_update(); break; case INTEL_FAM6_ALDERLAKE: