Commit 4ba45f04 authored by Zhang Rui's avatar Zhang Rui Committed by Peter Zijlstra
Browse files

perf/x86/intel/cstate: Remove PC3 support from LunarLake 



LunarLake doesn't support Package C3. Remove the PC3 residency counter
support from LunarLake.

Fixes: 26579860 ("perf/x86/intel/cstate: Add Lunarlake support")
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarKan Liang <kan.liang@linux.intel.com>
Reviewed-by: default avatarDapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://patch.msgid.link/20251023223754.1743928-3-zide.chen@intel.com
parent e39b82f6

arch/x86/events/intel/cstate.c

+1 −2
Original line number Diff line number Diff line
@@ -70,7 +70,7 @@ 
 *			       perf code: 0x01

 *			       Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL,

 *						GLM,CNL,KBL,CML,ICL,TGL,TNT,RKL,

 *						ADL,RPL,MTL,ARL,LNL

 *						ADL,RPL,MTL,ARL

 *			       Scope: Package (physical package)

 *	MSR_PKG_C6_RESIDENCY:  Package C6 Residency Counter.

 *			       perf code: 0x02
@@ -522,7 +522,6 @@ static const struct cstate_model lnl_cstates __initconst = { 
				  BIT(PERF_CSTATE_CORE_C7_RES),



	.pkg_events		= BIT(PERF_CSTATE_PKG_C2_RES) |

				  BIT(PERF_CSTATE_PKG_C3_RES) |

				  BIT(PERF_CSTATE_PKG_C6_RES) |

				  BIT(PERF_CSTATE_PKG_C10_RES),

};