tools/power/turbostat: Abstract extended cstate MSRs support

Abstract the support for MSR_PKG_WEIGHTED_CORE_C0_RES,
MSR_PKG_ANY_CORE_C0_RES, MSR_PKG_ANY_GFXE_C0_RES and
MSR_PKG_BOTH_CORE_GFXE_C0_RES.

Delete has_skl_msrs() CPU model check.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>

tools/power/x86/turbostat/turbostat.c

@@ -286,6 +286,7 @@ struct platform_features {
 	bool has_msr_c6_demotion_policy_config;	/* MSR_CC6_DEMOTION_POLICY_CONFIG/MSR_MC6_DEMOTION_POLICY_CONFIG */
 	bool has_msr_atom_pkg_c6_residency;	/* MSR_ATOM_PKG_C6_RESIDENCY */
 	bool has_msr_knl_core_c6_residency;	/* MSR_KNL_CORE_C6_RESIDENCY */
+	bool has_ext_cst_msrs;	/* MSR_PKG_WEIGHTED_CORE_C0_RES/MSR_PKG_ANY_CORE_C0_RES/MSR_PKG_ANY_GFXE_C0_RES/MSR_PKG_BOTH_CORE_GFXE_C0_RES */
 	int trl_msrs;		/* MSR_TURBO_RATIO_LIMIT/LIMIT1/LIMIT2/SECONDARY, Atom TRL MSRs */
 	int plr_msrs;		/* MSR_CORE/GFX/RING_PERF_LIMIT_REASONS */
 	int rapl_msrs;		/* RAPL PKG/DRAM/CORE/GFX MSRs, AMD RAPL MSRs */
@@ -586,6 +587,7 @@ static const struct platform_features skl_features = {
 	.supported_cstates = CC1 | CC3 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
 	.cst_limit = CST_LIMIT_HSW,
 	.has_irtl_msrs = 1,
+	.has_ext_cst_msrs = 1,
 	.trl_msrs = TRL_BASE,
 	.tcc_offset_bits = 6,
 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_GFX,
@@ -601,6 +603,7 @@ static const struct platform_features cnl_features = {
 	.supported_cstates = CC1 | CC6 | CC7 | PC2 | PC3 | PC6 | PC7 | PC8 | PC9 | PC10,
 	.cst_limit = CST_LIMIT_HSW,
 	.has_irtl_msrs = 1,
+	.has_ext_cst_msrs = 1,
 	.trl_msrs = TRL_BASE,
 	.tcc_offset_bits = 6,
 	.rapl_msrs = RAPL_PKG_ALL | RAPL_CORE_ALL | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_GFX,
@@ -5104,30 +5107,6 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
 	return 0;
 }
 
-/*
- * SKL adds support for additional MSRS:
- *
- * MSR_PKG_WEIGHTED_CORE_C0_RES    0x00000658
- * MSR_PKG_ANY_CORE_C0_RES         0x00000659
- * MSR_PKG_ANY_GFXE_C0_RES         0x0000065A
- * MSR_PKG_BOTH_CORE_GFXE_C0_RES   0x0000065B
- */
-int has_skl_msrs(unsigned int family, unsigned int model)
-{
-	if (!genuine_intel)
-		return 0;
-
-	if (family != 6)
-		return 0;
-
-	switch (model) {
-	case INTEL_FAM6_SKYLAKE_L:	/* SKL */
-	case INTEL_FAM6_CANNONLAKE_L:	/* CNL */
-		return 1;
-	}
-	return 0;
-}
-
 int is_knl(unsigned int family, unsigned int model)
 {
 	if (!genuine_intel)
@@ -5665,7 +5644,7 @@ void process_cpuid()
 	if (platform->has_msr_module_c6_res_ms)
 		BIC_PRESENT(BIC_Mod_c6);
 
-	if (has_skl_msrs(family, model)) {
+	if (platform->has_ext_cst_msrs) {
 		BIC_PRESENT(BIC_Totl_c0);
 		BIC_PRESENT(BIC_Any_c0);
 		BIC_PRESENT(BIC_GFX_c0);